Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent
1992-05-19
1994-03-29
Cross, E. Rollins
Internal-combustion engines
Lubricators
Crankcase, pressure control
123 73AD, 184 7004, F01L 112
Patent
active
052975118
ABSTRACT:
A lubrication system for the internal combustion engine of a motorcycle that includes a pump that outputs a constant amount of fluid per cycle of operation and a delivery valve which selectively passes lubricant to the engine or returns lubricant back to the system to vary the amount of lubricant supplied by the lubricant pump. The system is designed so as to self purge air from the system by mounting the lubricant pump and the delivery valve in close proximity to each other and at a lower level than the lubricant storage tank. In addition, the engine is supplied with lubricant from the supply outlet through a conduit that terminates at a point higher than the supply outlet so as to preclude lubricant from draining into the engine when the engine is not running.
REFERENCES:
patent: 2796075 (1957-06-01), Focht
patent: 3447636 (1969-06-01), Bonfilio
patent: 4286632 (1981-09-01), Abel
patent: 4697553 (1987-10-01), Lie
patent: 4887559 (1989-12-01), Hensel et al.
patent: 4967700 (1990-11-01), Torigai
patent: 5020484 (1991-06-01), Ishikawa
patent: 5235944 (1993-08-01), Adachi
Patent Abstracts of Japan vol. 9, No. 231 (M-414) (1954) 18 Sep. 1985 and JP-A-60 88 811 (Sanshin Kogyo K.K.) 18 May 1985 *abstrct* and European Search Report dated Mar. 4, 1993.
Cross E. Rollins
Solis Erick
Yamaha Hatsudoki Kabushiki Kaisha
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