Expansible chamber devices – Relatively movable working members – Interconnected with common rotatable shaft
Patent
1979-06-21
1981-11-24
Freeh, William L.
Expansible chamber devices
Relatively movable working members
Interconnected with common rotatable shaft
417269, 74 60, F04B 118, F01B 302
Patent
active
043017169
ABSTRACT:
In a refrigerant compressor unit of a type in which the reciprocating movement of pistons is caused by the nutation of a non-rotatably but nutatably supported wobble plate driven by a cam rotor. The wobble plate includes a ring member and a bevel gear member. The bevel gear member is provided with a plurality of axial grooves in the peripheral side surface thereof. The gear member is fitted into a counterbore formed in the ring member and secured by caulking the peripheral edge of the counterbore to the ring member. The material of the ring member is moved into the grooves and valleys between the teeth of the gear by the caulking operation so that relative rotation and axial movement of the ring member and gear member is prevented. The wobble plate is supported on a ball bearing so as to be able to nutate about the ball center but is prevented from rotation by engagement of the bevel gear with another bevel gear fixedly supported on the cylinder block.
REFERENCES:
patent: 3712759 (1973-01-01), Olson
patent: 3726189 (1973-04-01), Rubery
patent: 3866518 (1975-02-01), Miyao
patent: 4042309 (1977-08-01), Hiraga
Saegusa Nobuaki
Terauchi Kiyoshi
Freeh William L.
Sankyo Electric Company Limited
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