Fluid pump and rotary machine having said fluid pump

Details Fluid pump and rotary machine having said fluid pump Fluid pump and rotary machine having said fluid pump

1992-08-11

1994-05-31

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 88, 417460, 417490, 417491, 417497, 417521, F04C 1804, F04C 2902, F04B 1902, F04B 704

Patent

active

053164547

ABSTRACT:
An inexpensive, efficient pump which can supply lubricating oil uses the revolving motion of an orbiting scroll 2. The pump is so constructed that a piston supported by a fixing member 1 is fitted in a cylinder chamber 102 formed in the inner surface of the end plate 21 of an orbiting scroll 2 which revolves while sliding on the fixing member, by which a pump chamber 104 is defined between them. The piston 101 is extended or retracted depending on the revolving motion of orbiting scroll 2, the volume of the pump chamber 104 is increased or decreased, and a fluid suction port 105 and a fluid discharge port 106 are connected to the pump chamber 104 at predetermined time intervals to supply the fluid.

REFERENCES:
Proceedings-vol. II; 1990 International Compressor Engineering Conference at Purdue (Jul. 17-20, 1990, Perdue University, West Lafayette, Ind., U.S.A.).

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