Heater member for thermostat and manufacturing method therefor
AssigneeNippon Thermostat Co., Ltd.
InventorTsuyoshi Kumashiro
Life of this patent
Estimating the term…
Abstract
Provided are a heater member for a thermostat and a manufacturing method therefor which enables the formation of a short lead wire and insert-molding of a connector together with a heater while preventing the heater from being damaged during manufacturing. The heater member includes a bar-like heater arranged in a piston provided for a thermostat device; a lead wire pulled out from the heater; a terminal pin connected to one end of the lead wire; and a connector portion having a back end surface of the heater, the lead wire, and the terminal pin arranged inside thereof. The back end surface of the heater is arranged in a hollow portion formed in the connector portion without being in contact with resin forming the connector portion.
Claims4
A heater member to be provided on a thermostat device, comprising:
- a bar-like heater disposed in a piston provided in the thermostat device,
- a lead wire drawn out from the heater,
- a terminal pin to which an end of the lead wire is connected,
- a connector portion in which a rear end face of the heater, the lead wire, and the terminal pin are provided, and
- a heater protective portion,
- wherein the rear end face of the heater is disposed in a hollow portion formed in the connector portion and is not in contact with a resin material forming the connector portion, and the heater protective portion covers a circumferential surface of the heater with the resin material and is integrally formed with the connector portion.
Dependencies are inferred from the claim text.