Arrangement for the lubrication of the piston member of a fuel i

Details Arrangement for the lubrication of the piston member of a fuel i Arrangement for the lubrication of the piston member of a fuel i

1993-02-24

1994-08-23

Look, Edward K.

Expansible chamber devices

With lubricating means

184 18, 184 24, F01B 3110, F16N 100

Patent

active

053397240

ABSTRACT:
An improved lubrication arrangement for a piston member arranged to be reciprocatingly movable in a cylinder element of an injection pump for fuel or the like pressure medium, wherein lubricant is supplied under pressure into a lubrication groove arranged in the cylinder element and encircling the piston member. The flow-through of the lubricant is improved by providing the cylinder element with at least one channel extending in the longitudinal direction of the cylinder element, which channel is connected with the lubrication groove for leading lubricant continuously into another position on the mantle surface of the piston member at a distance from the lubrication groove further to be recovered and for possible recirculation.

REFERENCES:
patent: 1849208 (1932-03-01), Slatcher
patent: 2330781 (1943-09-01), Langmyhr et al.
patent: 2689626 (1981-09-01), Peters
patent: 4279517 (1981-07-01), Wallner et al.
patent: 4811899 (1989-03-01), Egler
patent: 4841936 (1989-06-01), Takahasai
patent: 5025768 (1991-06-01), Eckert
patent: 5119786 (1992-06-01), Collingborn et al.

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