前苏联专利SU1605931A3 Fluid compressor

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权利要求

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引用文献

法律状态

优先权

专利摘要:
A compressor includes a cylinder (20), and a rotating body (24) located in the cylinder. A spiral groove (30) is formed on the outer periphery of the rotating body. A spiral blade (32) is fitted in the groove and divides the space between the inner periphery of the cylinder and the outer periphery of the rotating body into operating chambers (34) which have volumes gradually decreasing with distance from one end of the cylinder. When the cylinder and rotating body are relatively rotated, a fluid, introduced into the one end of the cylinder, is transported toward the other end of the cylinder through the operating chambers.
公开号:SU1605931A3
申请号:SU884356235
申请日:1988-07-29
公开日:1990-11-07
发明作者:Иида Тосикацу；Фудзивара Такаеси
申请人:Кабусики Кайся Тосиба (Фирма)；
IPC主号:

专利说明:

Phi. four
/ J
Rig. 6

权利要求:
Claims (13)
[1]
Claim
1. A fluid compressor comprising a cylinder with suction and pressure sides having
55 respectively, the suction and discharge passages, the rotor, eccentrically located in the cylinder rotatably relative to 30
35
40
45
1605931
eight
the last and having supports of rotation, with the axis of the cylinder parallel to the axis of rotation of the rotor coinciding with its own axis, and the outer surface of the rotor is in contact with the inner surface of the cylinder, while the rotor has a spiral groove, on its outer surface: a spiral blade located in the groove slidable in the radial direction of the rotor, in contact with its outer surface with the inner surface of the cylinder over the entire diameter of the latter and separating the cavity between the inner surface awn cylinder and the rotor into a plurality of working chambers, and an actuator cylinder, and relative rotation of the rotor, characterized in that, in order to simplify the design and improve efficiency by increasing s'gepeni compression, the groove has a pitch gradually decreasing from the suction side to the discharge side.
[2]
2. The compressor according to claim 1, characterized in that it comprises means for creating pressure in the space between the blade and the lower part of the groove.
[3]
3. The compressor according to claim 1, characterized in that the means for creating pressure includes a guide channel and a channel made in the rotor, communicating at one end with the guide channel and the other with the bottom of the groove.
[4]
4. Compressor pop. 3, characterized in that the means of creating pressure is a means of introducing oil under pressure,
[5]
5. The compressor according to claim 4, characterized in that it is provided with a sealed enclosure encompassing the drive and cylinder, the internal cavity of the sealed enclosure communicating with the discharge passage, and the means for introducing oil is a lubricating oil located at the bottom of the sealed enclosure and having a level providing communication of lubricating oil to the guide channel.
[6]
6. Compressor pop. 3, characterized in that the means of creating pressure is a means of supplying gas under pressure.
[7]
7. Compressor pop.6, characterized in that it is equipped with a sealed enclosure encompassing the drive and the cylinder, and the means for supplying gas is an internal cavity of the hermetic enclosure communicating with the guide channel.
[8]
8. The compressor according to claim 1, characterized in that the drive includes a motor for rotating the cylinder and means for transmitting the rotational force from the cylinder to the rotor.
[9]
9. The compressor according to claim 8, characterized in that the rotor of the electric motor is attached to the outer surface of the cylinder, and the stator is located outside the rotor of the electric motor.
[10]
10. Compressor pop. 9, characterized in that the supports of rotation of the rotor have a surface on which are mounted with the possibility of rotation of the ends of the cylinder.
[11]
11. A compressor according to claim 10, characterized in that it is equipped with a hermetic housing enclosing an electric motor, a cylinder and rotor rotation supports, the suction passage being made in the rotational support of the rotor from the suction side of the cylinder and informing the latter with the outside of the sealed housing made in the support of rotation of the rotor from the discharge side of the cylinder and communicates with the internal, internal cavity of the hermetic housing.
[12]
12. Compressor pop. 8, characterized in that the means of transmission includes a recess formed on the outer surface of the rotor, and a pin mounted on the inner surface of the cylinder and entering the recess with the ability to move in the radial direction.
[13]
13. The compressor according to claim 1, characterized in that the drive includes an electric motor coaxially connected to the rotor by means of a shaft.
1605931
H
7
eight
FIG. 6

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同族专利:

公开号 | 公开日

DE3878073T2|1993-06-03|

EP0301273A2|1989-02-01|

EP0301273B1|1993-02-03|

US4871304A|1989-10-03|

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引用文献:

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US2386896A|1938-09-01|1945-10-16|Myron F Hill|Balanced compressor|

US2293268A|1941-04-21|1942-08-18|Quiroz Francisco Angel|Rotary pump|

US2401189A|1944-05-12|1946-05-28|Francisco A Quiroz|Rotary pump construction|

US2527536A|1945-05-15|1950-10-31|Ralph E Engberg|Rotary screw pump|

US3274944A|1965-09-30|1966-09-27|Frederick L Parsons|Screw vane pump|

US3719436A|1970-09-22|1973-03-06|Gorman Rupp Co|Axial flow pump|JPH0219685A|1988-07-08|1990-01-23|Toshiba Corp|Fluid compressor|

JP2619022B2|1988-10-31|1997-06-11|株式会社東芝|Fluid machinery|

JP2825248B2|1988-12-28|1998-11-18|株式会社東芝|Fluid compressor|

US4997352A|1989-01-30|1991-03-05|Kabushiki Kaisha Toshiba|Rotary fluid compressor having a spiral blade with an enlarging section|

JP2829017B2|1989-01-31|1998-11-25|株式会社東芝|Fluid compressor|

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JP3142890B2|1991-05-09|2001-03-07|株式会社東芝|Fluid compressor|

KR960015823B1|1991-06-12|1996-11-21|아오이 죠이치|Fluid comperessor|

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US6162035A|1997-10-03|2000-12-19|Kabushiki Kaisha Toshiba|Helical-blade fluid machine|

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法律状态:

优先权:

申请号 | 申请日 | 专利标题

JP62191564A|JPH07107391B2|1987-07-31|1987-07-31|Fluid compressor|

JP19156587A|JPS6436991A|1987-07-31|1987-07-31|Fluid compressor|

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