Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor
Patent
1976-03-29
1977-05-17
Croyle, Carlton R.
Pumps
Expansible chamber type
Having pumping chamber pressure responsive distributor
417499, 417501, F04B 3910, F04B 704
Patent
active
040239160
ABSTRACT:
An improved assembly of the working cylinder and cylinder head in a casing of a diesel-type fuel injection pump is described. A lower portion of the cylinder head, which houses a discharge valve, is inserted into the upper portion of the cylinder. A piston reciprocable within the lower portion of the cylinder carries a flange on its lower end for supporting a spring, whose upper end bears, via an intermediate member, on the cylinder to urge the cylinder-cylinder head sub-assembly upward in the casing until a flange disposed intermediate the ends of the cylinder head abuts an upper, centrally apertured end plate of the casing. In the assembled position, an upper threaded end of the cylinder head extends outwardly from the aperture in the end plate to receive a conventional pressure fitting. Suitable facilities are provided for inhibiting rotation of the cylinder-cylinder head sub-assembly in the casing.
REFERENCES:
patent: 2410947 (1946-11-01), Johnson
patent: 2545664 (1951-03-01), Johnson
patent: 2713310 (1955-07-01), Muraszew
patent: 3759637 (1973-09-01), Yuaille
Croyle Carlton R.
Smith Leonard
Vysoke uceni technicke
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