Tire condition monitoring system with improved sensor means
First Claim
1. A sensor device mountable on a valve stem of an inflatable tire of a vehicle, having an actuating pin adapted to be depressed by a component of a gauge or connecting fixture of a compressed air line coupled to said valve stem, comprising:
- a housing defining a closed chamber, having a first threaded opening permitting said housing to be threaded onto said valve stem, and a second opening;
means supported on said housing engageable with said actuating pin of said valve stem for depressing said actuating and thereby opening said valve stem when said housing is threaded onto said valve stem, intercommunicating the interiors of said tire and said housing;
a valve disposed in said second opening having an actuating pin adapted to be depressed by said component of said air gauge or line connecting fixture to provide a passageway through said housing when one said housing is mounted on said valve stem;
means disposed on said housing for sensing the pressure within said chamber;
means connected to said sensing means for receiving and processing signals therefrom corresponding to sensed pressure; and
means coupled with said receiving and processing means for transmitting processed signals corresponding to said sensed pressures.
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Accused Products
Abstract
A sensor device mountable on a threaded valve stem of an inflatable tire of a vehicle having an actuating pin adapted to be depressed by a component of an air gauge or a connecting fixture of a compressed air line, generally consisting of a housing defining a closed chamber, having a first threaded opening permitting such housing to be threaded onto the valve stem, and a second opening; an abutment pin disposed in the housing engageable with the actuating pin of the valve stem for depressing the actuating pin of the valve stem and thereby opening the valve stem when the housing is threaded onto the valve stem, providing an intercommunication of the interiors of the tire and the housing; a valve disposed in the second opening of the housing having an actuating pin adapted to be depressed by the component of an air gauge or connecting fixture of a compressed air line; a sensor mounted in the housing for sensing the pressure in the housing chamber; a microcontroller connected to the pressure sensor for receiving and processing signals therefrom corresponding to sensed pressures; and a transmitter mounted on the housing and coupled to the processor for transmitting processed signals corresponding to sensed pressures.
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Citations
31 Claims
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1. A sensor device mountable on a valve stem of an inflatable tire of a vehicle, having an actuating pin adapted to be depressed by a component of a gauge or connecting fixture of a compressed air line coupled to said valve stem, comprising:
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a housing defining a closed chamber, having a first threaded opening permitting said housing to be threaded onto said valve stem, and a second opening;
means supported on said housing engageable with said actuating pin of said valve stem for depressing said actuating and thereby opening said valve stem when said housing is threaded onto said valve stem, intercommunicating the interiors of said tire and said housing;
a valve disposed in said second opening having an actuating pin adapted to be depressed by said component of said air gauge or line connecting fixture to provide a passageway through said housing when one said housing is mounted on said valve stem;
means disposed on said housing for sensing the pressure within said chamber;
means connected to said sensing means for receiving and processing signals therefrom corresponding to sensed pressure; and
means coupled with said receiving and processing means for transmitting processed signals corresponding to said sensed pressures. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A system for monitoring certain conditions of at least one inflatable tire of a vehicle, having a valve stem provided with an actuating pin adapted to be depressed by a component of an air gauge or a connecting fixture of a compressed air line coupled to said valve stem, comprising:
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a sensor device including;
a housing defining a closed chamber, having a first threaded opening permitting said housing to be threaded onto said valve stem, and a second opening;
abutment means disposed in said housing engageable with said actuating pin of said valve stem for depressing said actuating pin and thereby opening said valve stem when said housing is threaded onto said valve stem, intercommunicating the interiors of said tire and said housing;
a valve disposed in said second opening having an actuating pin adapted to be depressed by said component of said air gauge or compressed air line connecting fixture to provide a passageway through said housing;
means disposed on said housing for sensing the pressure within said housing;
means connected to said sensing means for receiving and processing signals therefrom corresponding to sensed pressure; and
means coupled to said receiving and processing means for transmitting signals corresponding to said sensed pressures; and
a control unit detached from said sensor device including means for transmitting and receiving signals to and from said sensor device, means for processing said signals and means for displaying data corresponding to processed signals. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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Specification