Hydraulic vane machine

Details Hydraulic vane machine Hydraulic vane machine

1998-01-29

2000-02-22

Wolfe, Willis R.

Rotary expansible chamber devices

Positively actuated vane

Spring biased

F01C 1344, F04C 2344

Patent

active

060273232

ABSTRACT:
A hydraulic vane machine has a rotor, in which several vanes are arranged radially movable, and a stator having a stator bore, whose wall is made as a guiding contour on which the vanes bear. It is intended to prolong the life of such a machine, even when the machine is operated with a poorly lubricating hydraulic fluid, such as water. For this purpose at least one vane has a wearing surface on the end bearing on the guiding contour. Further, a channel arrangement is provided between high pressure and low pressure sides of the vane, which channel is blocked as long as the wearing surface has a predetermined thickness, and opened when the wearing surface is thinner than the predetermined thickness.

REFERENCES:
patent: 3254570 (1966-06-01), Mazur
patent: 3255704 (1966-06-01), Mazur
patent: 3279387 (1966-10-01), McGill
patent: 3535062 (1970-10-01), Jagger
patent: 3598510 (1971-08-01), Aoki
patent: 3627456 (1971-12-01), Gerlach
patent: 4376620 (1983-03-01), Colston
patent: 4521167 (1985-06-01), Cavalleri et al.

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