Wobble plate type refrigerant compressor

Details Wobble plate type refrigerant compressor Wobble plate type refrigerant compressor

1992-09-01

1994-01-04

Denion, Thomas E.

Expansible chamber devices

Relatively movable working members

Interconnected with common rotatable shaft

417269, 74 60, 74357, 464 87, F01B 300

Patent

active

052750876

ABSTRACT:
A wobble plate type refrigerant compressor is disclosed which includes a compressor housing having a crank chamber and a cylinder block which is provided with an axial central bore and a plurality of cylinders. A plurality of pistons are slidably fitted within each of the cylinders. A wedge-shaped cam rotor is disposed within the crank chamber to rotate together with a drive shaft. A wobble plate is coupled to the pistons through each corresponding connecting rod. The wobble plate is disposed on the inclined surface of the cam rotor to convert rotating motion of the cam rotor into reciprocating motion to be imparted to the pistons while preventing the rotating motion of the wobble plate. A first bevel gear is fixed on the wobble plate and a second bevel gear connected thereto is supported by the cylinder block. The second bevel gear includes a shank portion which is non-rotatably disposed within the central bore of the cylinder block by means of at least one engaging mechanism, such as a key/groove mechanism, provided between the second bevel gear and the cylinder block. The first and second bevel gears intermesh through spherical member to prevent rotation of the wobble plate. The engaging mechanism includes an axial hollow space or groove formed between the shank portion of the second bevel gear and the cylinder block, and a rod member or key fittingly disposed within the axial hollow space. The engaging mechanism further includes a dampening member or vibroisolating member for dampening torque which acts on the shank portion of the second bevel gear to thereby reduce vibration and noise.

REFERENCES:
patent: 1965407 (1931-08-01), Doughty
patent: 2446942 (1948-08-01), McFarland
patent: 2973214 (1961-02-01), Bates et al.
patent: 3540233 (1970-11-01), Pearson
patent: 4168869 (1979-09-01), Stephan
patent: 4221545 (1980-09-01), Terauchi
patent: 4283997 (1981-08-01), Takahashi et al.
patent: 4683765 (1987-08-01), Miller
patent: 4699530 (1987-10-01), Satoh et al.

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