Radial piston pump for producing high fuel pressure, as well...

Details Radial piston pump for producing high fuel pressure, as well... Radial piston pump for producing high fuel pressure, as well...

2005-03-29

2005-03-29

Freay, Charles G. (Department: 3746)

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

C417S273000, C123S500000

Reexamination Certificate

active

06872056

ABSTRACT:
A radial piston pump used for producing high fuel pressure in fuel systems of internal combustion engines, in particular in a common rail injection system includes a housing with at least one cylinder and a drive shaft is supported in the housing and having at least one cam section. A stroke ring is disposed encompassing the cam section a piston contained in each cylinder is supported against the stroke ring. A possibility for adjusting the delivery quantity of the radial piston pump is achieved in that an adjusting ring is disposed between the cam section and the stroke ring and the internal opening of this adjusting ring is eccentric in relation to the outer contour and can be rotated around the central axis of the internal opening into a desired angular position in relation to the cam section.

REFERENCES:
patent: 2900839 (1959-08-01), Mackintosh
patent: 3682572 (1972-08-01), Yarger
patent: 6016791 (2000-01-01), Thomas et al.
patent: 6454544 (2002-09-01), Palesch et al.
patent: 195 23 282 (1995-06-01), None
patent: 197 05 205 (1997-02-01), None
patent: 198 58 862 (1998-12-01), None
patent: 199 61 558 (1999-12-01), None
patent: 199 56 092 (2000-10-01), None
patent: 3-111673 (1991-05-01), None
patent: 7-180650 (1995-07-01), None

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