Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent
1994-02-25
1995-07-11
Yuen, Henry C.
Internal-combustion engines
Lubricators
Crankcase, pressure control
123196S, 184 15, F01M 1104
Patent
active
054311381
ABSTRACT:
An oil cleaning and recycling system (1) is provided for automatically metering a predetermined amount of engine lubricating oil into a diesel fuel supply of a diesel engine (88) as the engine (88) operates. A pump (10), communicating with a lubrication system of engine (88) and with a fuel tank (86), is intermittently operable in response to a regular, periodic signal generated by a control module (40). A control solenoid (36) admits air into pump (10) upon each such signal, thereby causing a piston (18) in the pump (10) to travel upwardly to discharge a preloaded amount of oil into a fuel return line (90) to produce a mixture subsequently consumed in the engine (88) as fuel. The pump (10) is provided with an air-actuated valve assembly (22) to direct flow of oil into and out of a cylinder (12) and with an indicator rod (20) enabling a user to visually determine that the system (1) is in working condition. The system ( 1) also includes a testing mechanism, including a button (82), manually activating the system (1) to confirm that it is in working condition prior to operation during transit.
REFERENCES:
patent: 4421078 (1983-12-01), Hurner
patent: 4495909 (1985-01-01), Hurner
patent: 4572120 (1986-02-01), Matsumoto
patent: 4615305 (1986-10-01), Matsumoto
patent: 4674456 (1987-06-01), Merritt
patent: 4869346 (1989-09-01), Nelson
patent: 5203429 (1993-04-01), Zager
patent: 5238085 (1993-08-01), Engelmann
patent: 5353760 (1993-10-01), Zager
Solis Erick
Yuen Henry C.
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