Expansible chamber devices – Displacement control of plural cylinders arranged in... – Parallel cylinders
Patent
1997-05-21
1999-04-20
Denion, Thomas E.
Expansible chamber devices
Displacement control of plural cylinders arranged in...
Parallel cylinders
92 71, 74 60, 91504, F01B 300
Patent
active
058947825
ABSTRACT:
A compressor (1) with at least one piston (9) movable in a cylinder (10), a drive shaft (2) and a wobble plate arrangement (4, 5) between piston (9) and drive shaft (2), having an inclined plate (4) with variable inclination angle, and with a spring arrangement (17; 41 to 43), acting on the wobble plate arrangement in the direction of a minimum displacement. Such a compressor should also be able to operate at higher pressures without increasing its size, e.g. to enable the use of CO.sub.2 as refrigerant. For this purpose the spring arrangement (17; 41 to 43) acts on the wobble plate arrangement (4, 5) in the area of the radial edge.
REFERENCES:
patent: 2915985 (1959-12-01), Budzich
patent: 3319576 (1967-05-01), Orshansky, Jr.
patent: 3463087 (1969-08-01), Grant
patent: 5391058 (1995-02-01), Goto et al.
J.o slashed.rgensen Stig Helmer
Nissen Harry Stentoft
Danfoss A/S
Denion Thomas E.
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