Lubricating oil feeding device for fuel injection pumps

Details Lubricating oil feeding device for fuel injection pumps Lubricating oil feeding device for fuel injection pumps

1983-03-08

1984-07-10

Moy, Magdalen Y. C.

Internal-combustion engines

Lubricators

Crankcase, pressure control

123495, F01M 106

Patent

active

044586434

ABSTRACT:
A connecting member, preferably in the form of a bolt, is mounted in a wall portion of the pump housing of a fuel injection pump, which defines therein a chamber in which component parts to be lubricated are accommodated, or a space communicating therewith, and which connects the tail end of a lubricating oil feeding pipe to the pump housing. The connecting member has a cylinder bore within which a piston is received with a predetermined small clearance between the cylinder bore and the piston and which communicates with the above chamber or space. The piston is moved in response to a change in the relationship between the pressure of lubricating oil acting upon the piston and the urging force of a spring urging the piston against the oil pressure, to prevent clogging of the above clearance with sludge or the like present in the lubricating oil.

REFERENCES:
patent: 2010696 (1935-08-01), L'Orange
patent: 2410947 (1946-11-01), Johnson
patent: 4198948 (1980-04-01), Conrad et al.
Bosch-pamphlet VDT-AKP 1/1, first edition, Dec. 1971, pp. 26 and 27.

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