Slant-plate type compressor with adjustably positionable drive s

Details Slant-plate type compressor with adjustably positionable drive s Slant-plate type compressor with adjustably positionable drive s

1989-03-23

1990-08-14

Smith, Leonard E.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417270, 92 122, F04B 126

Patent

active

049483439

ABSTRACT:
A slant-plate type compressor including a compressor housing having a cylinder block as disclosed. A plurality of peripherally located cylinders are formed around the cylinder block, and a central bore is formed through the cylinder block. A piston is slidably fitted in each of the cylinders and is reciprocated by a drive mechanism. The drive mechanism includes a drive shaft rotatably supported in the compressor housing, and having one axial end terminating in the central bore. A rearward portion of the central bore is threaded, and an adjusting screw is screwed into the rear portion to adjust the axial position of the drive shaft within the central bore. A spacer is disposed between the inner axial end surface of the drive shaft and the adjusting screw. The spacer includes a plurality of radial projections extending from a peripheral surface, and fitting into corresponding depressions formed in the interior surface of the central bore. The spacer prevents rotational motion of the drive shaft from being transferred to the adjusting screw. Therefore, the position of the adjusting screw and the drive shaft during rotational motion of the drive shaft is constantly maintained.

REFERENCES:
patent: 1970133 (1934-08-01), Ferris et al.
patent: 2962970 (1960-12-01), Norlin
patent: 3450058 (1969-06-01), Stein
patent: 4586874 (1986-05-01), Hiraka et al.
patent: 4632640 (1986-12-01), Terrauchi
patent: 4664604 (1987-05-01), Terauchi
patent: 4842488 (1989-06-01), Terauchi

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