Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Intermixed incoming working and non-working fluids
Patent
1988-09-07
1989-12-12
Koczo, Michael
Rotary expansible chamber devices
Heat exchange or non-working fluid lubricating or sealing
Intermixed incoming working and non-working fluids
418102, F01C 2104, F04C 2902
Patent
active
048864366
ABSTRACT:
A vane type compressor comprising a main housing with a cylinder, a front side plate covering one end of the cylinder, a front housing over the front side plate for forming a suction chamber, and a rotor inserted in the cylinder with a rotatable drive shaft extending through bosses of the front side plate and the front housing. A seal is arranged in the boss of the housing, and a check valve is arranged in the front housing at the inlet thereof. To guide the fluid in the suction chamber to the seal, to improve the lubrication of the seal, a pair of guide walls are provided on opposite sides of the check valve and between the check valve and the suction ports to constitute a passage directed to the seal. Also, a pair of ribs is extended from the front side plate toward the seal to constitute a gap, the gap overlapping the passage.
REFERENCES:
patent: 3656875 (1972-04-01), Luck
patent: 3899271 (1975-08-01), Glanvall
patent: 4484868 (1984-11-01), Shibuya et al.
patent: 4743183 (1988-05-01), Irie et al.
Kasugai Ichiro
Ohshiro Katsuhiko
Suzuki Shigeru
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
Koczo Michael
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