Power steering fluid refilling and draining device

Details Power steering fluid refilling and draining device Power steering fluid refilling and draining device

2005-02-15

2005-02-15

Lee, Kevin (Department: 3753)

Fluid handling

Systems

With pump

C137S565010, C141S065000, C184S001500

Reexamination Certificate

active

06854481

ABSTRACT:
A power steering fluid refilling and draining device according to the present invention includes a frame mounting with a fresh fluid tank including an output pipe connected to a first three-way valve and a refilling port. The frame further houses a used fluid tank including a sucking pipe connected to a second three-way valve and a sucking port. A pneumatic pump is interconnected to the output pipe and the sucking pipe, respectively. Wherein when the pneumatic pump is operated, the fresh fluid will be delivered into a steering system with used fluid therein being sucked out by the sucking port simultaneously. Each of the fresh fluid tank and the used fluid tank is provided with a window.

REFERENCES:
patent: 6167907 (2001-01-01), Liaw
patent: 6588441 (2003-07-01), Rome et al.
patent: 6688340 (2004-02-01), Awad
patent: 6772802 (2004-08-01), Few
patent: 6772803 (2004-08-01), Awad
patent: 6779633 (2004-08-01), Viken

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