Operating-mode position selector arrangement for internal combus

Details Operating-mode position selector arrangement for internal combus Operating-mode position selector arrangement for internal combus

1992-05-18

1993-05-11

Dolinar, Andrew M.

Internal-combustion engines

Starting device

Control of spark ignition during starting

12317918, 123198DC, F02P 1100, F02M 100

Patent

active

052091961

ABSTRACT:
The invention relates to an operating-mode position selector arrangement for an internal combustion engine in a portable handheld tool such as a motor-driven chain saw. The engine includes an electrical ignition system and is supplied with a fuel mixture by a carburetor. In a start position of the operating-mode position selector, the position selector holds the choke flap and the throttle flap of the carburetor in pregiven start positions. In an operating position of the operating-mode position selector, the throttle flap is released for actuation via a throttle lever and the choke flap is fully opened. In a stop position of the operating-mode position selector, an electric contact is closed between a terminal of the electric ignition system and ground. The different positions of the operating-mode position selector are detected electrically. This is achieved in that for the operating position of the operating-mode position selector, the terminal of the electric ignition system is connected to ground via a further electric contact and a resistor. In this way, the operating position of the operating-mode position selector can be distinguished from the stop position and the start position because of the different voltages which adjust in each position.

REFERENCES:
patent: 2791207 (1957-05-01), Rayniak
patent: 2935977 (1960-05-01), Eberline
patent: 4079708 (1978-03-01), Wieland et al.
patent: 4919091 (1990-04-01), Wissmann et al.

Affiliated with

Also associated with

Rating

Operating-mode position selector arrangement for internal combus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Operating-mode position selector arrangement for internal combus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Operating-mode position selector arrangement for internal combus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1343631