Method and device for feeding lubricant to a cylinder-piston arr

Details Method and device for feeding lubricant to a cylinder-piston arr Method and device for feeding lubricant to a cylinder-piston arr

1980-04-03

1983-05-24

Hershkovitz, Abraham

Expansible chamber devices

With lubricating means

Valve means in lubricant passage

92 865, 92105, F01B 3110

Patent

active

043845100

ABSTRACT:
The method and the device for the lubricant feed works by introduction of the lubricant into a clearance volume (3b) between a, for example, tubular flexible sealing element of a cylinder-piston arrangement and a bearing surface within the working stroke at comparatively low working pressure. Consequently a comparatively low lubricant feed pressure is adequate. Return of lubricant into the feed is advantageously excluded by a non-return valve arrangement (8d,15).
Preferably a non-return valve member (15) is arranged in the region of the mouth (9) from the lubricant feed, whereby low-inertia operation results with secure maintenance of pressure in the lubricant space (3b).

REFERENCES:
patent: 2027979 (1936-01-01), Hopkins
patent: 2191861 (1940-02-01), Rymal
patent: 3212447 (1965-10-01), Browne
patent: 3453995 (1969-07-01), Pelizzoni
patent: 3902404 (1975-09-01), Breit
patent: 4218961 (1980-08-01), Maasberg

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