Lubrication – Systems – With machine starting means
Patent
1997-03-22
1998-07-21
Denion, Thomas E.
Lubrication
Systems
With machine starting means
123196R, 123196A, F01M 900
Patent
active
057823154
ABSTRACT:
An oil filter pump system for automatically prelubricating an internal combustion engine, uses a well known conventional oil filter design further including inlet and outlet check valves and a flexible membrane operatively connected to a prime mover. The prime mover actuates the flexible membrane back and forth from an unbiased at rest position according to an operating cycle programmed into an electronic controller. The electronic controller switches control power from the normally provided battery according to an operating cycle. The elapsed time of the operating cycle is smaller than the elapsed time for the previous prelubricating cycle to become ineffective from oil dripping from working surfaces desired to be protected from wear. The alternate movement of the flexible membrane cooperating with the inlet and outlet check valve scheme converts the conventional oil filter into an effective diaphragm pump readily connected to the normally provided engine lubricating galleries for the purpose of discharging a portion of lubricating fluid removed from the normally provided oil sump in a conventional internal combustion engine. In another embodiment, an adapter kit assembly is made to mate to a conventional oil filter by means of clamping the assembly around the conventional oil filter. A set of orifices is easily punctured in the upper wall of the conventional oil filter. An inlet and outlet check valve scheme is provided and with a prime mover alternately moving a flexible membrane in the adapter kit, converts the combination into an effective diaphragm pump. Power transmission means to the flexible membrane can be pneumatic, mechanical, electromagnetic, hydraulic, among others. According to another aspect of the invention, a method for automatically prelubricating an engine includes the steps of providing an electronic controller means coupled to a pump for automatically switching control power from the battery to the prime mover according to an operating cycle program. Programming the electronic controller with the operating cycle program which is defined as the elapsing of a first period of time added to the elapsing of a second period of time. Actuating the oil filter pump during the elapsing of the first period of time to pump and discharge the lubricating oil contained in the oil sump into the engine lubricating galleries. Thereafter, elapsing of the second period of time. And, thereafter repeating the operating cycle whereby by continuously repeating the operating cycle the engine is automatically prelubricated and primed, and protected from wear by simultaneous priming and prelubricating.
REFERENCES:
patent: 4703727 (1987-11-01), Cannon
patent: 5244350 (1993-09-01), Yang
patent: 5310020 (1994-05-01), Martin et al.
patent: 5589059 (1996-12-01), Semar
patent: 5626470 (1997-05-01), Gerhardt
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