Lubrication – Systems – For chassis lubrication
Patent
1976-04-23
1977-06-07
Feinberg, Samuel
Lubrication
Systems
For chassis lubrication
60544, 13762413, 251 634, F01M 106
Patent
active
040277445
ABSTRACT:
In apparatus for controlling a lubricating device which is actuated by pulses of compressed air, the apparatus including a drive piston disposed in a cylinder to undergo reciprocating movement under the action of each such pulse and a control valve disposed between the source of such pulses and the lubricating device, the control valve is periodically opened to permit one such compressed air pulse to be delivered to the lubricating device only after a predetermined number of compressed air pulses have been produced, by means of a stepping mechanism which includes a reciprocating pump connected to be driven by the drive piston to supply, in response to each cycle of movement of the drive piston, a predetermined quantity of liquid, an actuating cylinder containing an actuating piston and arranged to receive each such quantity of liquid to move the piston in a unidirectional, step-wise manner so that the actuating piston advances through the cylinder in discrete steps as a series of quantities of liquid are supplied by the pump, and an actuating member disposed between the control valve and the actuating piston to open the control valve when the piston reaches a selected location along the length of the actuating cylinder. After the control valve has been opened, the pulse of compressed air being delivered to the system is also conveyed to the actuating cylinder to drive the actuating piston back to its starting position and upon termination of the compressed air pulse, the control valve automatically closes.
REFERENCES:
patent: 1760902 (1930-06-01), Grattan
patent: 2011864 (1935-08-01), Lundh
patent: 2041023 (1936-05-01), Roberts
patent: 2047832 (1936-07-01), Morton
patent: 3119592 (1964-01-01), Fraschetti
Huber Rudolf
Kuhnelt Herbert
Feinberg Samuel
Hoerbiger Fluidtechnik KG
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