High pressure fuel pump with multiple radial plungers

Pumps – Three or more cylinders arranged in parallel – radial – or... – Radial cylinders

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C417S486000

Reexamination Certificate

active

07048516

ABSTRACT:
A fuel pump for supplying fuel at high fuel pressures includes a stationary body having a plurality of radial cylinders connecting with a central fuel chamber. Inlet and outlet passages communicate with the fuel chamber. Plungers are reciprocated in the cylinders by cam followers reciprocable in follower recesses of the body. A rotary internal cam engages the cam followers and is configured to reciprocate the plungers in timed relation to sequentially draw fuel from the inlet passage into the central fuel chamber and alternately force fuel from the central fuel chamber to the outlet passage in response to rotation of the rotary cam. A preferred embodiment includes paired smaller and larger diameter cylinders and pistons which are sequentially actuated in overlapping fashion to minimize pulsing of the pressurized fuel discharged from the pump into associated engine fuel lines.

REFERENCES:
patent: 3267861 (1966-08-01), Jean et al.
patent: 4846631 (1989-07-01), Parrott
patent: 4889096 (1989-12-01), Brunel
patent: 5090295 (1992-02-01), Cunningham et al.
patent: 5215449 (1993-06-01), Ilija
patent: 5228844 (1993-07-01), Klopfer et al.
patent: 5318001 (1994-06-01), Djordjevic
patent: RE34956 (1995-05-01), Djordjevic
patent: 5592920 (1997-01-01), Fehlmann
patent: 5746584 (1998-05-01), Nakamura et al.
patent: 5850817 (1998-12-01), Bouchauveau et al.
patent: 6041760 (2000-03-01), Fehlmann et al.
patent: RE37632 (2002-04-01), Bouchauveau et al.
patent: 6447263 (2002-09-01), Cooke et al.
patent: 6651625 (2003-11-01), Knight et al.
patent: 101 15 167 (2002-12-01), None
Copy of EP Search Report dated Aug. 30, 2004.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

High pressure fuel pump with multiple radial plungers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High pressure fuel pump with multiple radial plungers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High pressure fuel pump with multiple radial plungers will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3552896

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.