Apparatus for alarming of tire deflation

Details Apparatus for alarming of tire deflation Apparatus for alarming of tire deflation

1997-03-18

1998-05-19

Hofsass, Jeffery

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340438, 340443, 340444, 731465, B60C 2300

Patent

active

057541027

ABSTRACT:
An apparatus for alarming of tire deflation is provided in which reliability of an alarm is raised by a manner of alarming slightly when tire deflation is small and detection accuracy of a deflation detection mechanism is small, while alarming largely when tire deflation is large and deflation is detected with large accuracy. The apparatus comprises deflation detection means for detecting tire deflation; vehicle speed detection means for detecting a speed of a vehicle; and alarm means for deciding an alarm level depending on a detected tire deflation and a detected vehicle speed, and providing an alarm at the decided alarm level.

REFERENCES:
patent: 4131876 (1978-12-01), Dees, Sr. et al.
patent: 4785280 (1988-11-01), Fubini
patent: 4876528 (1989-10-01), Walker et al.
patent: 5218862 (1993-06-01), Hurrell, II et al.
patent: 5345217 (1994-09-01), Prottey
patent: 5349328 (1994-09-01), Lonzame
patent: 5491465 (1996-02-01), Adams

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