Automobile tire pneumatic pressure controlling apparatus
AssigneeKabushiki Kaisha Tokai Rika Denki Seisakusho
InventorSadao Kokubu
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Abstract
An automobile tire pneumatic pressure controlling apparatus is disclosed. The automobile includes a vehicle body, vehicle compartment and axle shaft, and the control apparatus comprises a pressure source, a communication passage extending through the axle shaft and having one end opened to the automobile tire. The control apparatus further comprises a coupling means and valve means. The coupling means has a sealing means in sliding contact with the axle shaft and fluid-tightly maintains fluid communication between the pressure source and the other end of the communication passage. The valve means is disposed on a fluid path between the pressure source and the tire.
Claims8
An apparatus for controlling pneumatic pressure of a tire of an automobile, the automobile including an axle shaft, the apparatus comprising:
- a pressure source;
- a communication passage extending through the axle shaft, said communication passage including first and second passageways, said first passageway being in communication with the automobile tire;
- a coupling means surrounding the axle shaft, said coupling means having a sealing means in sliding contact with said axle shaft, said coupling means fluid-tightly maintaining fluid communication between the pressure source and the second passageway, said second passageway extending substantially radially within the axle shaft and passing through the axle shaft to the coupling means;
- and
- a valve means disposed on a fluid path betweem said pressure source and the tire.
Dependencies are inferred from the claim text.