• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An apparatus (100) for controlling a hydraulically actuated brake (102, 104, 106, 108) of an aircraft (110), said apparatus (100) including a brake control unit (114). The brake control unit (114) is configured to receive a braking signal from an aircraft operator (110). A pump (122, 124) is in fluid communication with a reservoir (118, 120) for containing hydraulic fluid, and with the brake (102, 104, 106, 108) for supplying hydraulic fluid from the reservoir (118, 120 ) to the brake (102, 104, 106, 108). An electric motor (126, 128) is in communication with the brake control unit (114) and coupled to the pump (122, 124) for regulating a pressure of the hydraulic fluid supplied by the pump (122, 124) based on braking signal.
    公开号:FR3024868A1
    申请号:FR1557490
    申请日:2015-08-03
    公开日:2016-02-19
    发明作者:Michael Knight
    申请人:Gulfstream Aerospace Corp；
    IPC主号:
    专利说明:

    [0001] APPARATUS AND METHOD FOR CONTROLLING A HYDRAULIC BRAKE OF AN AIRCRAFT TECHNICAL FIELD [0001] The technical field relates generally to aircraft braking systems and specifically to hydraulically actuated braking systems for aircraft. TECHNOLOGICAL BACKGROUND [0002] An aircraft may include one or more hydraulic systems for operating various devices, including brakes. Typically, in the event of a failure of one or more of the hydraulic systems, hydraulic brake accumulators provide hydraulic pressure limited to the brakes. Accumulators act as energy storage devices maintaining the hydraulic pressure. However, once the stored energy, i.e. pressure, is used, it is not available again until the battery is recharged. Thus, during the landing of the aircraft after a hydraulic failure, any cyclic use of the brakes consumes some of the pressure stored in the accumulator until the pressure drops below a useful level. Depending on the braking technique of the driver or the operation of a system of self-braking and / or traction control, the pressure stored in the accumulator can be very quickly exhausted, the result being little or no braking function , after the initial application of the brakes. Accumulators could be increased in size / capacity to accommodate these variations. However, this increase adds unwanted weight and volume to the aircraft. [0004] In addition, published aircraft take-off or landing performance can be artificially degraded to take account of variations in braking performance. This results in longer decolouring and landing distances or reduced payload. As such, it is desirable to provide a braking system that does not require hydraulic brake accumulators. In addition, other desirable features and features will become apparent upon reading the subsequent abstract and detailed description, as well as the appended claims, taken in conjunction with the accompanying drawings and the present technological background.
    [0002] BRIEF SUMMARY [0006] In one embodiment, an apparatus for controlling a hydraulically operated brake of an aircraft comprises a brake control unit. The brake control unit is configured to receive a braking signal from an aircraft operator. The apparatus also includes a reservoir for holding a hydraulic fluid. A pump is in fluid communication with the reservoir and the brake, and is configured to supply the hydraulic fluid of the reservoir to the brake. The apparatus also includes an electric motor in communication with the brake control unit and coupled to the pump for regulating a pressure of the hydraulic fluid in accordance with the braking signal. [0007] In one embodiment, an aircraft comprises a hydraulically actuated brake. A brake control unit is configured to receive a braking signal from an operator of the aircraft. The aircraft also includes a reservoir for containing hydraulic fluid. A pump is in fluid communication with the reservoir and the brake is configured to provide hydraulic fluid to the reservoir. The aircraft also includes an electric motor in communication with the brake control unit and coupled to the pump for regulating a hydraulic fluid pressure as a function of the braking signal. In one embodiment, a method of controlling a hydraulically actuated brake of an aircraft includes receiving a braking signal from an aircraft operator on a brake control unit. . The method also includes supplying hydraulic fluid from a reservoir to a brake. The method further includes regulating a pressure of the hydraulic fluid with an electric motor in communication with the brake control unit and coupled to a pump 15 in accordance with the braking signal. BRIEF DESCRIPTION OF THE DRAWINGS [0009] Other advantages of the subject disclosed will be readily appreciated, as will be better understood by reference to the following detailed description when taken in conjunction with the accompanying drawings in which: FIG. 1 is a block diagram of an apparatus for controlling a brake of an aircraft, according to one embodiment; Figure 2 is a block diagram of the apparatus according to another embodiment; and [0012] FIG. 3 is a flow chart of a brake control method of the aircraft. DETAILED DESCRIPTION [0013] Referring to the figures, in which like reference numerals indicate like parts throughout the various views, an apparatus 100 for controlling a hydraulically actuated brake 102, 104, 106, 108 of a Aircraft 110 is shown and described herein. Although the apparatus 100 is described in relation to the aircraft 110, it will be appreciated that the apparatus 100 may be implemented with other vehicles including, but not limited to, automobiles. In the exemplary embodiment shown in FIG. 1, the hydraulically actuated brake 102, 104, 106, 108 is implemented in the form of a left external brake 102, a left inner brake 104, a right inner brake 106 and a right outer brake 108. The left brakes 102, 104 are disposed port of the aircraft 110, that is to say on the left , as perceived by a person directed in the direction of forward movement. The right brakes 106, 108 are arranged on the starboard side of the aircraft 110, that is, on the right side, as perceived by a person in the direction of forward travel. The inner brakes 104, 106 are arranged closer to a center (not shown) of the aircraft 110 relative to the external brakes 102, 108. It should be noted that the apparatus 100 may be implemented in an aircraft with a Any number of brakes 102, 104, 106, 108. The apparatus 100 includes a brake control unit 114. The brake control unit 114 of the exemplary embodiment comprises a processor (not shown). ). The exemplary embodiment of the processor is a semiconductor device capable of performing calculations, executing instructions (i.e., running a program), and / or otherwise to manipulate data. However, in other embodiments, the brake control unit 114 may be implemented with other devices and / or equipment. The brake control unit 114 is configured to receive a braking signal from an operator of the aircraft 110, for example a pilot. The braking signal may vary by certain characteristics to correspond to a pressure exerted on a brake pedal (not shown) by the operator. Simply by way of example, the intensity or the voltage of the braking signal may vary in proportion to the pressure exerted. The apparatus 100 also comprises a reservoir 118, 120 for containing hydraulic fluid. In the exemplary embodiment, the reservoir 118, 120 is implemented with a first reservoir 118 and a second reservoir 120. However, it should be noted that any number of reservoirs 118, 120 can be implemented. depending on the particular requirements of the aircraft 110 or another vehicle. The apparatus 100 also includes a pump 122, 124 in fluid communication with the reservoir 118, 120. Thus, the pump 122, 124 receives hydraulic fluid from the reservoir 118, 120. Specifically, in the embodiment As an example, the pump 122, 124 is operated with a first pump 122 in fluid communication with the first reservoir 118 and a second pump 124 in fluid communication with the second reservoir 120. [0019] The pump 122, 124 is Also, in fluid communication with the brake 102, 104, 106, 108. As a result, the pump 122, 124 is configured to supply hydraulic fluid from the reservoir 118, 120 to the brake 102, 104, 106, 108. More specifically, in the exemplary embodiments, the first pump 122 is in fluid communication with the left outboard brake 102 and the right outboard brake 108, and the second pump 124 is in fluid communication with the left inner brake 104 and the right inner brake 106. With this configuration, hydraulic fluid can be supplied to the brakes 102, 104, 106, 108 on both the left and right sides of the aircraft, even if one of the pumps 122, 124 fails. However, other configurations between the pumps 122, 124 and the brakes 102, 104, 106, 108 may be implemented. The apparatus 100 further comprises an electric motor 126, 128 coupled to the pump 122, 124 for operating the pump 122, 124. In the exemplary embodiments, a first electric motor 126 is coupled to the first pump 122 and a second electric motor 128 is coupled to the second pump 124. The electric motor 126, 128 is in communication with the brake control unit 114. The brake control unit 114 is configured to output, i.e., transmit, a brake control command signal which corresponds to the braking signal. Thus, the brake control command signal varies by certain characteristics to correspond to the pressure exerted on the brake pedal by the operator. In the exemplary embodiment, the brake control unit 114 is configured to output an external brake control command signal and an internal brake control command signal. The electric motors 126, 128 of the exemplary embodiment are configured to receive the brake control command signals and to regulate a hydraulic fluid pressure as a function of these signals. The apparatus 100 may also include a motor controller 130, 132 in communication with the brake control unit 114 and the electric motor 126, 128. In the exemplary embodiment, the apparatus 100 includes a first motor controller 130 in communication with the brake control unit 114 and the first electric motor 126, and a second motor controller 132 in communication with the control unit of the motor. brake 114 and the second electric motor 126. The motor controller 130, 132 is configured to receive the brake control command signal from the brake control unit 114 and control the electric motor 126, 128 depending on the brake control command signal. The electric motor 126, 128, the brake control unit 114 and / or the motor control device 130, 132 may be powered from the electrical systems 10 (not shown) of the aircraft 110. By for example, when the motors (not shown) of the aircraft 110 are operational, electric current can be obtained from one or more generators (not shown) coupled to the motors. Alternatively, the electric current can be obtained from one or more batteries (not shown), particularly when the aircraft 110 is parked. Thus, the batteries can supply power to actuate the parking brakes. A collector 134, 136 may be used to form and / or receive certain elements of the apparatus 100 as described above. In particular, in the embodiment shown in FIG. 1, the apparatus 100 includes a first collector 134 and a second collector 136. The first collector 134 forms the first reservoir 118, supports the first pump 122, and provides the fluid connection between the first reservoir 118 and the first pump 122. Similarly, the second manifold 136 forms the second reservoir 120, supports the second pump 124 and provides the fluid connection between the second reservoir 120 and the second pump 124 Referring now to Figure 2, in a number of embodiments, the aircraft 110 may include a hydraulic system 200, 202 providing hydraulic fluid. In the embodiment shown in FIG. 2, the aircraft 110 comprises a left hydraulic system 200 and a right hydraulic system 202. The hydraulic system 200, 202 can be used to actuate many parts (not shown) of the aircraft 110, including, but not limited to, depth gauge, rudder, flaps, flaps and landing gear. The hydraulic system 200, 202 may also be used to provide hydraulic fluid for operating the brakes 102, 104, 106, 108. In this case, the apparatus 100 may be used as a reserve of the hydraulic system 200, 202, or vice versa. The apparatus 100 includes a source selection valve 204, 206 in fluid communication with the hydraulic system 200, 202, the pump 122, 124 and the brake 102, 104, 106, 108. Specifically, the source selection valve 204, 206 includes a first (unnumbered) input coupled to the hydraulic system 200, 202, a second (unnumbered) input coupled to the pump 122, 124, 20 and an output coupled to the brake 102, 104, 106, 108. The source selection valve 204, 206 is configured to select hydraulic fluid from one of hydraulic system 200, 202 and pump 122, 124 and to supply hydraulic fluid to the brake 102, 104 , 106, 108. In other words, the source selection valve 204, 206 directs the hydraulic fluid of either one of the first inlet or the second inlet to the outlet, and thus to the brake 102 , 104, 106, 108. In the embodiment given by way of example, 2, the apparatus comprises a first source selection valve 204 and a second source selection valve 206. The inputs of the first source selection valve 204 are in fluid communication with the source selection valve 204 and a second source selection valve 206. The inputs of the first source selection valve 204 are in fluid communication with the source selection valve 204. left hydraulic system 200 and 3024868 9 the first pump 122, and the output is in fluid communication with the left outer brake 102 and the right outer brake 108. The inputs of the second source selection valve 206 are in fluid communication with the right hydraulic system 202 and the second pump 124, and the outlet is in fluid communication with the left inner brake 104 and the right inner brake 106. [0028] The apparatus comprises a pressure sensing device 208, 210 configured to sense a pressure of the hydraulic system 200, 202. Specifically, in the exemplary embodiment shown in Fig. 2, a first sensor detecting device is provided. The pressure sensor 208 is configured to detect a pressure of the left hydraulic system 200, and a second pressure sensing device 210 is configured to detect a pressure of the right hydraulic system 202. The pressure sensing device 208, 210 is in communication with each other. With the source selection valve 204, 206. Under normal conditions, where the pressure of the hydraulic system 200, 202 is greater than a predetermined value, the source selection valve 204, 206 is configured to select fluid. hydraulic fluid from the hydraulic system 200, 202 and delivering the hydraulic fluid to the brake 102, 104, 106, 108. In response to an abnormal condition, wherein the pressure of the hydraulic system 200, 202 is less than a predetermined value , the source selection valve 204, 206 is configured to select hydraulic fluid from the pump 122, 124 and deliver the hydraulic fluid to the compressor. 102, 104, 106, 108. It is to be noted that the location of the pressure sensing device 208, 210 shown in FIG. 2 is purely exemplary and that other locations of the pressure sensing device are provided in FIG. 208, 210 to be implemented alternatively. The apparatus 100 may also include a brake control valve 212, 214 configured to regulate the hydraulic fluid between the hydraulic system 200, 202 and the brake 102, 104, 106, 108. In the embodiment shown in FIG. As shown in FIG. 2, a first brake control valve 212 is in fluid communication with the left hydraulic system 200 and the first source selection valve 204. Thus, the first brake control valve 212 is fluidly disposed between the left hydraulic system 200 and the first source selection valve 204. Similarly, a second brake control valve 214 is in fluid communication with the right hydraulic system 202 and the second source selection valve. 210.
    [0003] In other words, the second brake control valve 214 is fluidly disposed between the right hydraulic system 202 and the second source selection valve 206. The brake control valve 212, 214 is in communication with the unit. The brake control valve 212, 214 is configured to receive the brake control command signal from the brake control unit 114 and to regulate a hydraulic fluid pressure as a function of these signals. . Specifically, in the exemplary embodiment, the first brake control valve 212 receives the external brake control command signal to regulate a hydraulic fluid pressure to the outer brakes 102, 108. [0031] The aircraft 110 may also include a brake stop valve 216, 218 disposed between the hydraulic system 200, 202 and the brake control valve 212, 214. More specifically, in the embodiment shown in FIG. 2, the aircraft 110 includes a first brake stop valve 216 disposed between the left hydraulic system 200 and the first brake control valve 212 and a second brake stop valve 218 disposed between the hydraulic system. 202 and the second brake control valve 214. A manifold 220, 222 may be used to form and / or receive certain elements of the apparatus 100 of the embodiment shown in FIG. In particular, the apparatus 100 includes a first manifold 220 and a second manifold 222. The first manifold 220 forms the first reservoir 118, supports the first pump 122, forms the first brake stop valve. 216 and the first brake control valve 218, and provides the fluid connections between the aforementioned components. Similarly, the second manifold 222 forms the second reservoir 120, supports the second pump 124, forms the second brake stop valve 218 and the second brake control valve 214, and provides the fluid connections between the aforementioned components. . [0033] Referring now to FIG. 3, a method 300 for controlling a hydraulically actuated brake 102, 104, 106, 108 is shown. The method 300 can be implemented using the apparatus 100 described above. However, the method 300 may alternatively be implemented using other components, devices and / or hardware. [0034] The method 300 comprises, under the reference 302, the receipt of a braking signal from an operator of the aircraft 110 on a brake control unit 114. The method then comprises, under the reference 304 , transmitting a brake control command signal corresponding to the braking signal from the brake control unit 114. [0035] The method 300 further comprises, under the reference 306, the supply of hydraulic fluid. from a reservoir 118, 120 to the brake 102, 104, 106, 108 with a pump 122, 124. The method 300 also comprises, 3024868 12 under the reference 308, the regulation of a hydraulic fluid pressure with a motor electrical 126, 128 coupled to the pump 122, 124 depending on the brake control command signal. The present invention has been described here illustratively, and it should be understood that the terminology that has been used is intended to be in the nature of the terms of the description rather than a limitation. Of course, many modifications and variations of the present invention are possible in view of the above teachings. The invention may otherwise be implemented otherwise than specifically described while remaining within the scope of the appended claims.
    权利要求:
    Claims (16)
    [0001]
    REVENDICATIONS1. Apparatus (100) for controlling a hydraulically actuated brake (102, 104, 106, 108) of an aircraft (110), said apparatus (100) comprising: a brake control unit (114) configured to receive a braking signal from an aircraft operator (110), a reservoir (118, 120) for containing hydraulic fluid, a pump (122, 124) in fluid communication with said reservoir (118, 120) and the brake (102, 104, 106, 108) and configured to supply the brake (102, 104, 106, 108) with the hydraulic fluid of said reservoir (118, 120), and an electric motor (126, 128) in communication with said brake control unit (114) and coupled to said pump (122, 124) for regulating hydraulic fluid pressure in accordance with the braking signal.
    [0002]
    An apparatus (100) according to claim 1, wherein the aircraft (110) comprises a hydraulic system (200, 202) providing hydraulic fluid, said apparatus (100) further comprising a source selection valve (204, 206) in fluid communication with the hydraulic system (200, 202), said pump (122, 124) and the brake (102, 104, 106, 108) and configured to select hydraulic fluid from one of the system hydraulic system (200, 202) and said pump (122, 124), and for supplying hydraulic fluid to the brake (102, 104, 106, 108).
    [0003]
    The apparatus (100) of claim 2, further comprising a pressure sensing device (208, 210) configured to sense a pressure of the hydraulic system (200, 202) and in communication with said source selection valve (204). , 206), and wherein said source selection valve (204, 206) is configured to select hydraulic fluid from said pump (122, 124) and deliver the hydraulic fluid to the brake (102, 104, 106, 108) in response to a pressure of the hydraulic system (200, 202) that is less than a predetermined value. 5
    [0004]
    The apparatus (100) of claim 2, further comprising a brake control valve (212,214) in communication with said brake control unit (114) and fluidly disposed between the hydraulic system (200,202) and said source selection valve (204, 206) for regulating a pressure of the hydraulic fluid in accordance with the braking signal.
    [0005]
    Apparatus (100) according to claim 1, further comprising a motor controller (130, 132) in communication with said brake control unit (114) and said electric motor (126, 128) and configured to receiving a brake control unit signal from said brake control unit (114) corresponding to the braking signal and controlling said electric motor (126, 128) in accordance with said brake control unit signal.
    [0006]
    An aircraft (110), comprising: a hydraulically actuated brake (102, 104, 106, 108), a brake control unit (114) configured to receive a brake signal from a said aircraft operator (110), a reservoir (118, 120) for containing hydraulic fluid, a pump (122, 124) in fluid communication with said reservoir (118, 120) and said brake (102, 104, 106, 108 ) and configured to supply said brake (102, 104, 106, 108) with the hydraulic fluid of said reservoir (118, 120), and an electric motor (126, 128) in communication with said brake control unit (114) and coupled said pump (122, 124) for regulating a pressure of the hydraulic fluid as a function of the braking signal.
    [0007]
    The aircraft (110) of claim 6, further comprising: a hydraulic system (200, 202) providing hydraulic fluid, and a source selection valve (204, 206) in fluid communication with said hydraulic system (200). 202), said pump (122, 124) and said brake (102, 104, 106, 108) and configured to select hydraulic fluid from one of said hydraulic system (200, 202) and said pump (122, 124), and for supplying hydraulic fluid to the brake (102, 104, 106, 108). 15
    [0008]
    The aircraft (110) of claim 7, further comprising a pressure sensing device (208, 210) in communication with said source selection valve (204, 206) and configured to sense a pressure of said hydraulic system (200). , 202), and wherein said source selection valve (204, 206) is configured to select hydraulic fluid from said pump (122, 124) and to supply hydraulic fluid from said pump (122, 124) to said pump (122, 124) brake (102, 104, 106, 108) in response to a pressure of said hydraulic system (200, 202) which is less than a predetermined value.
    [0009]
    The aircraft (110) of claim 7, further comprising a brake control valve (212,214) in communication with said brake control unit (114) and fluidly disposed between said hydraulic system (200,202). and said source selection valve (204, 206) for regulating hydraulic fluid pressure as a function of the brake signal.
    [0010]
    The aircraft (110) of claim 6, further comprising a motor control device (130, 132) in communication with said brake control unit (114) and said electric motor (126, 128) and configured to receive a brake control unit signal from said brake control unit (114) corresponding to the brake signal and to control said electric motor (126, 128) as a function of said brake signal. brake control unit.
    [0011]
    An aircraft (110) according to claim 6, wherein: said brake (102, 104, 106, 108) includes a left outboard brake (102), a left inner brake (104), a right inner brake ( 106) and a right outer brake (108), said reservoir (118, 120) includes a first reservoir (118) and a second reservoir (120), said electric motor (126, 128) includes a first electric motor (126) and a second electric motor (128), said pump (122, 124) comprises: a first pump (122) coupled to said first electric motor (126) and in fluid communication with said first reservoir (118), said left outer brake ( 102) and said right outer brake (108) for supplying hydraulic fluid from said first reservoir (118) to said external brakes (102, 108), and a second pump (124) coupled to said second electric motor (128) and fluidic communication with said second tank (120), said left inner brake (104) and said right inner brake (106) for supplying hydraulic fluid from said second reservoir (120) to said inner brakes (104, 106).
    [0012]
    A method (300) for controlling a hydraulically actuated brake (102, 104, 106, 108) of an aircraft (110), the method (300) comprising the steps of: 3024868 17 receiving a braking signal from an aircraft operator (110) on a brake control unit (114), transmitting a brake control command signal corresponding to the brake signal from the brake control unit (114). ), supplying the brake (102, 104, 106, 108) of the hydraulic fluid of a reservoir (118, 120) using a pump (122, 124), and regulating a pressure of the hydraulic fluid with an electric motor (126). , 128) coupled to the pump (122, 124) disposed between the reservoir (118, 120) and the brake (102, 104, 106, 108) as a function of the brake control command signal. 15
    [0013]
    The method (300) of claim 12, further comprising selecting a hydraulic fluid from either the pump (122, 124) or a hydraulic system (200, 202) of the aircraft (110) with a source selection valve (204, 206) and the supply of hydraulic fluid to the brake (102, 104, 106, 108).
    [0014]
    The method (300) of claim 12, further comprising sensing a pressure of the hydraulic system (200, 202).
    [0015]
    The method (300) of claim 14, further comprising selecting a hydraulic fluid from the pump (122,124) in response to a pressure of the hydraulic system (200,202) which is less than a value predetermined.
    [0016]
    16. The method (300) of claim 12, further comprising controlling a hydraulic fluid pressure of the hydraulic system (200, 202) with a brake control valve in communication with the compressor unit. brake (114) according to the braking signal.
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    同族专利:
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    US20160046270A1|2016-02-18|
    GB2531866B|2018-01-03|
    CA2896768A1|2016-02-15|
    GB2531866A|2016-05-04|
    GB201513775D0|2015-09-16|
    CN105365801A|2016-03-02|
    CN105365801B|2018-09-11|
    US9376096B2|2016-06-28|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    CN110645216A|2018-06-27|2020-01-03|赛峰起落架系统公司|Method for controlling three-position slide valve|US3887239A|1973-03-05|1975-06-03|Gen Signal Corp|Method and apparatus for controlling the speed of a vehicle|
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    法律状态:
    2016-08-25| PLFP| Fee payment|Year of fee payment: 2 |
    2017-08-25| PLFP| Fee payment|Year of fee payment: 3 |
    2018-08-27| PLFP| Fee payment|Year of fee payment: 4 |
    2019-08-26| PLFP| Fee payment|Year of fee payment: 5 |
    2020-08-25| PLFP| Fee payment|Year of fee payment: 6 |
    2020-09-25| PLSC| Search report ready|Effective date: 20200925 |
    2021-08-25| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    US14/460,651|US9376096B2|2014-08-15|2014-08-15|Apparatus and method for controlling a hydraulic brake of an aircraft|
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