Wobble plate type refrigerant compressor

Details Wobble plate type refrigerant compressor Wobble plate type refrigerant compressor

1989-12-07

1990-12-25

Smith, Leonard E.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417269, 92 71, 92154, F04B 126, F01B 3110

Patent

active

049798774

ABSTRACT:
A wobble plate type refrigerant compressor including a compressor housing having a cylinder block is disclosed. A plurality of peripherally located cylinders are formed through the cylinder block. A piston is slidably fitted in each of the cylinders and is reciprocated by a drive mechanism which includes a slant plate. The slant plate includes a boss for mounting a wobble plate and balance weight ring thereon. The balance weight ring prevents the axial movement of the wobble plate during operation of the compressor. The balance weight ring includes a centrally located thin plate region defining a recessed portion. The balance weight ring includes a plurality of holes formed at the thin plate region and an annular side wall of the recessed portion tapered to provide sufficient lubrication to the friction surface between the wobble plate and the thin plate region of the balance weight ring during compressor operation. The balance weight ring can rotate smoothly on the wobble plate without the need for a bearing between the wobble plate and the thin plate region of the balance weight ring.

REFERENCES:
patent: 4475871 (1984-10-01), Roberts
patent: 4506648 (1985-03-01), Roberts
patent: 4913626 (1990-04-01), Terauchi

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