Prevention against shifting of tip seal of scroll compressor

Details Prevention against shifting of tip seal of scroll compressor Prevention against shifting of tip seal of scroll compressor

1988-02-24

1989-09-26

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418142, 277136, 277181, 277189, 277204, F04C 1804, F04C 2700, F16J 924

Patent

active

048696587

ABSTRACT:
A prevention against shifting of tip seal of a scroll compressor with a pair of stationary scroll and swirl scroll provided with spiral laps projectingly on an inside of end plates engaged with each other for sucking in a gas from a suction port and discharging a compressed gas from a discharge port, wherein a tip seal groove is formed on the laps provided projectingly on said pair of scrolls, a tip seal is disposed in the tip seal groove, which comprises providing a fixing means for preventing a discharge port side end portion of the tip seal disposed in said tip seal groove from shifting to a suction port side from a discharge port side along said tip seal groove, thereby preventing a leakage of a lap nose on the discharge port side.

REFERENCES:
patent: 1572443 (1926-02-01), Muchnic
patent: 2006972 (1935-07-01), Vincent et al.
patent: 3976406 (1976-08-01), Sasaki
patent: 3976407 (1976-08-01), Gerlach
patent: 4199308 (1980-04-01), McCullough
patent: 4367702 (1983-01-01), Lassanske
patent: 4627799 (1986-12-01), Terauchi
patent: 4730375 (1988-03-01), Nakamura et al.

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