Thermal valve assembly

Details Thermal valve assembly Thermal valve assembly

2006-05-08

2010-06-01

Denion, Thomas E (Department: 3748)

Automatic temperature and humidity regulation

Thermostatic

In fluid controlled

C236S050000, C137S389000, C137S468000, C060S527000

Reexamination Certificate

active

07726584

ABSTRACT:
A thermal valve assembly for a transmission is provided. The thermal valve assembly includes a body having a base portion having a plurality of opposing sidewalls extending therefrom. A cover is mounted with respect to the body and operates to at least partially close the body to form a volume. The base portion defines an inlet orifice, while at least one of the plurality of opposing sidewalls at least partially defines an outlet orifice. A plate is operable to selectively close the inlet orifice. A bi-metallic spring member is disposed at least partially within the volume. The bi-metallic spring member is operable to bias the plate against the base portion. Additionally, the bi-metallic spring member has a variable stiffness characteristic responsive to temperature.

REFERENCES:
patent: 2043489 (1936-06-01), Peo
patent: 3053051 (1962-09-01), Kelley
patent: 3930423 (1976-01-01), Craig
patent: 4075912 (1978-02-01), Schaefer
patent: 4195652 (1980-04-01), Smith
patent: 4217926 (1980-08-01), Van Gorder
patent: 6044645 (2000-04-01), Greenan et al.
patent: 2005/0271523 (2005-12-01), Kawakami et al.

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