Engine management system

Details Engine management system Engine management system

1995-05-11

1996-09-17

McMahon, Marguerite

Internal-combustion engines

Two-cycle

Rear compression

123572, 123 73AD, B63H 2126

Patent

active

055558585

ABSTRACT:
A number of embodiments of drain-control systems for two-cycle crankcase compression internal combustion engines wherein collected lubricant and condensed fuel may be pumped out of a low spot in the engine when certain engine conditions exist. The pumped liquid is delivered back either to the engine through its induction system or exhaust system for further burning or is mixed with the fuel that is delivered to the engine. Adjustments are made in the fuel-air ratio supplied by the charge-forming system when the drains are being pumped so as to avoid uneven running.

REFERENCES:
patent: 4794888 (1989-01-01), Lang
patent: 4794889 (1989-01-01), Hensel
patent: 4967700 (1990-11-01), Torigai
patent: 5052355 (1991-10-01), Ito et al.
patent: 5476073 (1995-12-01), Betts

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