Automatic choke control system for general-purpose engine

Details Automatic choke control system for general-purpose engine Automatic choke control system for general-purpose engine

2007-07-24

2007-07-24

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Starting device

With fuel or intake air control

C261S064600, C123S185300

Reexamination Certificate

active

11477549

ABSTRACT:
In an auto-choke system for a general-purpose engine, it is determined whether the operator has operated a combination switch to enable ignition in the engine and based on the result of this determination, the operation of a choke motor (actuator) is controlled to regulate the opening of the choke valve, specifically the operation of the choke motor is controlled to fully open the choke valve when ignition is found to be disabled. As a result, jetting of fuel is minimized and flooding prevented when the recoil starter is manipulated with ignition disabled. In addition, the operation of the choke motor is controlled to fully close the choke valve when ignition is found to be enabled, thereby enhancing the starting performance of the engine.

REFERENCES:
patent: 4463723 (1984-08-01), Tansuwan
patent: 2005/0200030 (2005-09-01), Kamimura et al.
patent: 2006/0037574 (2006-02-01), Matsuda et al.
patent: 61-070159 (1986-04-01), None
patent: 61-081530 (1986-04-01), None
patent: 2004-232529 (2004-08-01), None

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