Lubricating oil supply unit for two-cycle engines

Details Lubricating oil supply unit for two-cycle engines Lubricating oil supply unit for two-cycle engines

1994-06-06

1997-01-28

Look, Edward K.

Lubrication

Systems

Cylinders parallel to shaft

184 64, 184 65, 184 68, 184 33, 184 34, 123 73AD, 123196R, 417 45, 417500, F01M 106, F01M 302

Patent

active

055970516

ABSTRACT:
A lubricating system for a machine such as a two-cycle internal combustion engine including a reciprocating pump that pumps a finite amount of lubricant during a single pumping stroke and a stepper motor for operating the pump through incremental phases of movement each less than a stroke. The lubricant requirements of the machine are determined and the driving increments are adjusted so as to provide a pumping stroke when the lubricant consumption of the machine reaches the output of the pump. Various arrangements of stepper motors and control arrangements are disclosed for controlling the amount and timing of the lubricate delivery.

REFERENCES:
patent: 4045343 (1977-08-01), Achener et al.
patent: 4326837 (1982-04-01), Gilson et al.
patent: 4638771 (1987-01-01), Mori
patent: 4774918 (1988-10-01), Kurio et al.
patent: 4812727 (1989-03-01), Sakai et al.
patent: 4904163 (1990-02-01), Tachi et al.
European Search Reported dated Aug. 1, 1994.

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