Transmitter of tire condition monitoring apparatus and method for manufacturing transmitter of tire condition monitoring apparatus
First Claim
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1. A transmitter of an apparatus for monitoring a condition of a vehicle tire, the transmitter comprising:
- a casing formed from resin;
an electric circuit unit arranged in the casing to detect the condition of the tire and generate a signal corresponding to the condition of the tire; and
a battery arranged in the casing to supply the electric circuit unit with power, wherein the electric circuit unit and the battery are inserts, and the casing is insert molded to embed the electric circuit unit and the battery in the resin forming the casing.
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Abstract
A transmitter of a tire condition monitoring apparatus that has a superior moisture resistant characteristic, enables reduction in size, and facilitates manufacturing. The transmitter includes a casing formed from resin. An electric circuit unit is arranged in the casing to detect the condition of the tire and generate a signal corresponding to the condition of the tire. A battery is arranged in the casing to supply the electric circuit unit with power. The casing is insert molded to embed the electric circuit unit and the battery in the resin forming the casing.
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Citations
17 Claims
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1. A transmitter of an apparatus for monitoring a condition of a vehicle tire, the transmitter comprising:
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a casing formed from resin;
an electric circuit unit arranged in the casing to detect the condition of the tire and generate a signal corresponding to the condition of the tire; and
a battery arranged in the casing to supply the electric circuit unit with power, wherein the electric circuit unit and the battery are inserts, and the casing is insert molded to embed the electric circuit unit and the battery in the resin forming the casing. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for manufacturing a transmitter of an apparatus for monitoring a condition of a vehicle tire, the method comprising the steps of:
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arranging an electric circuit unit, which detects the condition of the tire and generates a signal in accordance with the detected tire condition, and a battery, which supplies the electric circuit unit with power, in a mold as inserts; and
insert molding the casing by charging the mold with molten resin to envelop the electric circuit unit and the battery in the resin. - View Dependent Claims (8, 9, 10, 11)
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12. A transmitter of an apparatus for monitoring a condition of a vehicle tire, the transmitter comprising:
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a valve stem extending out of the tire;
a bushing fixed to the valve stem and attached to a wheel of the tire;
a collar arranged on the valve stem;
a nut coupled to the valve stem to fasten the wheel between the bushing and the collar;
a casing formed from resin;
an electric circuit unit arranged in the casing to detect the condition of the tire and generate a signal corresponding to the condition of the tire; and
a battery arranged in the casing to supply the electric circuit unit with power, wherein the electric circuit unit and the battery are inserts, and the casing is insert molded to embed the electric circuit unit and the battery in the resin forming the casing. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification