Internal-combustion engines – Two-cycle – Rear compression
Patent
1993-10-08
1995-07-18
Yuen, Henry C.
Internal-combustion engines
Two-cycle
Rear compression
123196R, F01M 302
Patent
active
054331773
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.
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Patent abstract of Japan vol. 9, No. 231(M414) (1854) 18 Sep. 1985 & JP A 60 88 811 (Sanshin Kogyo KK) 18 May 1985.
European Search Report dated Apr. 3, 1993.
Solis Erick
Yamaha Hatsudoki Kabushiki Kaisha
Yuen Henry C.
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