Pumps – Expansible chamber type – Pumping member position controlled port
Patent
1988-03-16
1990-07-31
Smith, Leonard E.
Pumps
Expansible chamber type
Pumping member position controlled port
417417, 417569, F02M 5946, F04B 1704
Patent
active
049446614
ABSTRACT:
An electromagnetically-actuated fuel piston pump is constructed so as to eliminate the distracting pumping noises occurring during the functioning by using a dampening elastic element arranged at a site protected against contact with the delivered fuel by seals. The seals accomplish a bearing of the cylinder, which simplifies the fabrication.
REFERENCES:
patent: 2612841 (1952-10-01), Lasley
patent: 4314797 (1982-02-01), Gerwin
J. Eberspacher
Smith Leonard E.
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