Engine crank angle detecting device

Details Engine crank angle detecting device Engine crank angle detecting device

2006-07-04

2006-07-04

McCall, Eric S. (Department: 2855)

Measuring and testing

Vehicle chassis

Steering

Reexamination Certificate

active

07069774

ABSTRACT:
A crank angle detecting device that is independent of fluctuations in engine rotational speed and reliably detects a reference crank angle position. A ring gear fixed to a crankshaft of a single cylinder engine has plural projections (teeth) formed around its outer periphery at equal intervals and one irregular interval portion (toothless portion). A crank angle sensor detects start and end on both sides of each projection, a lateral length of each projection and an interval of two adjacent projections, and calculates a ratio therebetween to distinguish the irregular interval portion from the projections. The crank angle sensor and the irregular interval portion are so positioned that the irregular interval portion is detected when the piston is close to bottom dead center.

REFERENCES:
patent: 4553427 (1985-11-01), Kuraoka et al.
patent: 6595044 (2003-07-01), Namari
patent: 6609498 (2003-08-01), Mathews et al.

Affiliated with

Also associated with

Rating

Engine crank angle detecting device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Engine crank angle detecting device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Engine crank angle detecting device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3592789