Fuel injection pump

Details Fuel injection pump Fuel injection pump

1997-12-18

1999-11-09

Thorpe, Timothy S.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

1375395, F04B 3910

Patent

active

059802243

ABSTRACT:
An improved delivery valve for a plunger type fuel distribution pump characterized by ease of manufacture, lightness, and enhance performance in achieving both a check valve function and a retraction volume function. Specifically, previous machined constructions utilized a conically configured check valve and machined grooves which in the improved design are replaced by a commercially available high-precision, smoothly finished steel bearing ball element and by lightweight, tubular stem design.

REFERENCES:
patent: 4076043 (1978-02-01), Rogan
patent: 4474208 (1984-10-01), Looney
patent: 5141025 (1992-08-01), Eichorn et al.
patent: 5293897 (1994-03-01), Warga et al.
patent: 5626325 (1997-05-01), Bucanan et al.
patent: 5848880 (1998-12-01), Helmig

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