Hydraulic pump unit for vehicle

Details Hydraulic pump unit for vehicle Hydraulic pump unit for vehicle

2005-05-17

2005-05-17

Lazo, Thomas E. (Department: 3745)

Power plants

Pressure fluid source and motor

Pulsator

C060S585000

Reexamination Certificate

active

06892536

ABSTRACT:
A hydraulic pump unit (1), for a vehicle, that is unusually capable of precise and effective bleeding, comprises a reservoir (2) for the brake fluid, a master cylinder (3) in the said pump connected to the said reservoir, and a bleed circuit (15) connected at one end to the said master cylinder and fitted with a bleed nipple (19, 119, 219, 319, 419) that is normally closed in order to shut the said circuit off, and it is constructed in such a way that the said bleed circuit (15) is connected at the other end, downstream of the said bleed nipple (19, 119, 219, 319, 419), to the said reservoir (2).

REFERENCES:
patent: 2524544 (1950-10-01), Seawell
patent: 3247670 (1966-04-01), Bauman
patent: 3559405 (1971-02-01), Nielson
patent: 4971402 (1990-11-01), Chen
patent: 5040816 (1991-08-01), Goettker
patent: 2538765 (1984-07-01), None
patent: 2538765 (1984-07-01), None

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