Sequential lubrication distributor and lubricant injector theref

Details Sequential lubrication distributor and lubricant injector theref Sequential lubrication distributor and lubricant injector theref

1974-09-19

1976-12-07

Pinkham, Richard C.

Lubrication

Systems

For chassis lubrication

F16N 2502

Patent

active

039957179

ABSTRACT:
A lubricant distributor system including a plurality of piston cylinder lubricant injector units constructed and arranged so that the pistons thereof move in sequence from retracted positions to lubricant displacement positions to expel a given quantity of lubricant from each of the cylinders and then move in sequence from the lubricant displacement positions to the retracted positions, whereby each cylinder except the last is refilled with lubricant from an adjacent cylinder and only the first cylinder discharges lubricant back through a lubricant supply line upon completion of each lubricant cycle.
A lubricant injector adapted for sequential operation when used in multiples in a centralized lubrication system. The lubricant injector includes a piston mechanism which is movable, in response to pressure imposed by lubricant supplied from a pressurized source thereof, from a retracted position to a lubricant displacement position, whereby a given quantity of lubricant in the injector is displaced by the piston mechanism for delivery to a point of use. As the piston mechanism approaches its lubricant displacement position it communicates pressurized lubricant from the pressurized source to the next succeeding lubricant injector, whereby the injectors are hydraulically interlocked and actuated in sequence.

REFERENCES:
patent: 2269928 (1942-01-01), Dirkes
patent: 3024869 (1962-03-01), Akamatsu
patent: 3086614 (1963-04-01), Sensui
patent: 3459278 (1969-08-01), Callahan
patent: 3783973 (1974-01-01), Kurten
patent: 3809502 (1974-05-01), Henry

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