Electricity: circuit makers and breakers – Special application – Pneumatic tire inflation responsive
Patent
1989-12-15
1991-07-02
Scott, J. R.
Electricity: circuit makers and breakers
Special application
Pneumatic tire inflation responsive
200 83B, 200 83N, H01H 3524
Patent
active
050287494
ABSTRACT:
A pressure switch for use in a device for alarming the reduction of pneumatic pressure of vehicle tire is disclosed. The switch comprises a base board, a bellofram secured to the base board and having conductive coating of one electric contact applied to the inner surface and the outer surface thereof and having both bellows and diaphragm characteristic, a housing provided to enclose the bellofram and for defining a hermetic chamber, and a conductor provided at inner portion and outer portion of the bellofram near the center of the diaphragm portion thereof and for forming another electric contact. A back pressure is applied to the inner portion or outer portion of the bellofram against the pneumatic pressure of a vehicle tire.
REFERENCES:
patent: 3845260 (1974-10-01), Lohr
patent: 3885223 (1975-05-01), Green
patent: 3944769 (1976-03-01), Wagner
patent: 4180795 (1979-12-01), Matsuda et al.
patent: 4211901 (1980-07-01), Matsuda et al.
Bridgestone Corporation
Scott J. R.
LandOfFree
Pressure switch does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pressure switch, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pressure switch will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1248538