Crescent seal for the cylinder of a vane motor

Details Crescent seal for the cylinder of a vane motor Crescent seal for the cylinder of a vane motor

2006-10-31

2006-10-31

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Miscellaneous

C418S082000, C418S107000, C418S140000, C418S159000, C418S259000, C418S268000, C418S269000

Reexamination Certificate

active

07128544

ABSTRACT:
A vane motor is modified to increase the sealing effectiveness of the gap made at the interface of the spindle and cylinder by undercutting the cylinder a predetermined amount and distance so as to increase the effectiveness of the spindle to cylinder gap and to decrease the requirements for lubrication of the vane motor.

REFERENCES:
patent: 2733663 (1956-02-01), Marshall
patent: 3809020 (1974-05-01), Takitani
patent: 3865520 (1975-02-01), Kramer et al.
patent: 3994641 (1976-11-01), Southard
patent: 4799867 (1989-01-01), Sakamaki et al.
patent: 5501586 (1996-03-01), Edwards
patent: 5571244 (1996-11-01), Andres
patent: 57016202 (1982-01-01), None

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