Fluid pump and high-pressure fuel feed pump

Details Fluid pump and high-pressure fuel feed pump Fluid pump and high-pressure fuel feed pump

2001-01-05

2010-06-29

Kramer, Devon C (Department: 3746)

Pumps

Three or more cylinders arranged in parallel, radial, or...

Radial cylinders

C417S470000, C417S569000

Reexamination Certificate

active

07744353

ABSTRACT:
A fluid pump has a cylinder supporting a plunger and a pump housing formed with dissimilar metals. A pressing mechanism presses the cylinder and the pump housing relative to each other so that a pressurizing chamber is sealed through a pressing surface between the pump housing and the cylinder. The number of seal points can be reduce, and a reduction in reliability can be eliminated while realizing a reduction in weight of the pump housing and a reduction in cost due to increase in cutting capability, by using a soft material such as an aluminum alloy for the pump housing.

REFERENCES:
patent: 4811716 (1989-03-01), Guntert et al.
patent: 4881763 (1989-11-01), Guido et al.
patent: 5921760 (1999-07-01), Isozumi et al.
patent: 2038975 (1980-07-01), None
patent: 52-25928 (1977-02-01), None
patent: 55-93960 (1980-07-01), None
patent: 63-87266 (1988-06-01), None
patent: 10-184483 (1998-07-01), None
patent: 10-184494 (1998-07-01), None
patent: 11-82236 (1999-03-01), None
patent: WO 00/47888 (2000-08-01), None
patent: WO 2006/069819 (2006-07-01), None

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