Lubrication – Lubricators – Force feed
Patent
1988-04-12
1989-02-28
Smith, Leonard E.
Lubrication
Lubricators
Force feed
138 39, 138 45, 138 46, F16N 734
Patent
active
048077216
ABSTRACT:
A lubricator for mixing lubricating oil in air under pressure has a damper serving as a variable restriction mechanism and a support by which the damper is supported, the damper and the support being integrally molded of a flexible material. The damper has a groove defined in the lower end thereof joined to the support. Since the damper and the support are of a unitary structure, their dimensional accuracy is increased and the height of the damper is not subject to variations. Because the damper is made highly flexible by the grooves for easy flexing displacement, the unwanted oscillation of the damper at the maximum air flow rate is avoided, and the damper can supply the lubricating oil at a rate substantially proportional to the air flow rate over the entire range from the minimum air flow rate to the maximum air flow rate. The damper is also improved in durability.
REFERENCES:
patent: 1513645 (1924-10-01), Smith
patent: 2460647 (1949-02-01), Miller
patent: 3411609 (1968-11-01), German
patent: 3605949 (1971-09-01), Vock
patent: 3628565 (1971-12-01), McWethy
patent: 3680661 (1972-08-01), Dolegowski
patent: 3696889 (1972-10-01), Brake
patent: 3703940 (1972-11-01), Morita
patent: 3739983 (1973-06-01), Jousson
patent: 4043425 (1977-08-01), Schutzer
patent: 4295545 (1981-10-01), Hiei
patent: 4344459 (1982-08-01), Nelson
Shoketsu Kinzoku Kabushiki Kaisha
Smith Leonard E.
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