Wobble plate type compressor with variable displacement mechanis

Details Wobble plate type compressor with variable displacement mechanis Wobble plate type compressor with variable displacement mechanis

1988-02-19

1989-10-24

Freeh, William L.

Pumps

Three or more cylinders arranged in parallel, radial, or...

74 60, 417222, F04B 114

Patent

active

048758345

ABSTRACT:
A wobble plate type compressor with a variable displacement mechanism including a compressor housing is disclosed. A cylinder block including a plurality of cylinders is disposed in said compressor housing and a crank chamber is formed between the end of said cylinder block and a front end plate. An inclined plate is attached to a cam rotor which is further attached to a drive shaft. Rotational motion of the drive shaft is converted by the cam rotor and the inclined plate into nutational motion of the wobble plate. A plurality of pistons are coupled to the wobble plate with each piston being reciprocably fitted within a respective one of the cylinders. A rotation preventing mechanism includes a guide plate disposed at the bottom of the compressor housing, parallel with the drive shaft. A cylindrical block is rotatably disposed within a hole formed in an extended portion of the wobble plate. The cylindrical block is secured in the hole and includes a vertical groove at its lower end which is slidably fitted on the upper end of the guide plate. A variety of means of are provided to secure the cylindrical block in the hole of the wobble plate. In a further embodiment, the guide plate is rotatably disposed within holes in the front end plate and the cylinder block to allow it to easily adapt to the inclination angle of the wobble plate.

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