Fluent material handling – with receiver or receiver coacting mea – Evacuation apparatus
Patent
1997-02-13
1999-08-31
Douglas, Steven O.
Fluent material handling, with receiver or receiver coacting mea
Evacuation apparatus
188352, 141 98, B65B 104
Patent
active
059440686
ABSTRACT:
An access port to a secondary circuit of a hydraulic braking system of a vehicle is provided in a hydraulic control unit. A prefilling apparatus for adding brake fluid to the secondary circuit includes a first device for evacuating and filling the secondary circuit with brake fluid. The first device includes a switchable valve connected to the access port, a pump, and a pressurized fluid reservoir. The prefilling apparatus also includes a second device for expelling trapped air from a pump of the hydraulic braking system. The second device includes a piston/cylinder arrangement connected to the access port, a source of pressurized air, and a fluid reservoir connected to the piston/cylinder arrangement. A connection tool and method for prefilling the secondary circuit utilizing this prefilling apparatus are also disclosed.
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patent: 5555919 (1996-09-01), Lipp
patent: 5605384 (1997-02-01), Johnston et al.
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Douglas Steven O.
Kelsey-Hayes Company
Tucker A. Michael
LandOfFree
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