Tandem vacuum booster

Details Tandem vacuum booster Tandem vacuum booster

1995-10-26

1997-09-09

Denion, Thomas E.

Expansible chamber devices

Plural flexible wall working members

91376R, 91533, F01B 1900

Patent

active

056644795

ABSTRACT:
A tandem vacuum booster includes a front shell and a rear shell which are connected to each other to form a housing, a front movable wall having an outer circumferential portion that is fit in a fluid-tight manner between the front shell and the rear shell, and a rear movable wall having an outer circumferential portion that is fixed to the rear shell. A fixed wall has an outer circumferential portion that is fit between the front movable wall and the rear shell, with the fixed wall including a bent portion which presses the outer circumferential portion of the rear movable wall to the rear shell.

REFERENCES:
patent: 3083698 (1963-04-01), Price et al.
patent: 3103855 (1963-09-01), Hager et al.
patent: 3292502 (1966-12-01), Myers et al.
patent: 3357317 (1967-12-01), Hager
patent: 3603208 (1971-09-01), Kytta
patent: 3760693 (1973-09-01), Myers
patent: 4516474 (1985-05-01), Ochiai
patent: 5014597 (1991-05-01), Rueffer et al.

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