Proportional valve

Details Proportional valve Proportional valve

2005-09-06

2005-09-06

Yuen, Henry C. (Department: 3747)

Internal-combustion engines

Cooling

Automatic coolant flow control

C137S875000

Reexamination Certificate

active

06938586

ABSTRACT:
A valve for automatically and proportionally adjusting fluid flow between an engine and a radiator for cooling the fluid heated by the engine in response to changes in fluid temperature within a range of operating temperatures. The valve includes a housing having a chamber. The housing includes a radiator flow port for passing fluid between the radiator and the chamber. A vane pivotally disposed in the chamber has a vane wall engagable with the radiator port for restricting fluid flow. A drive assembly is operatively coupled to the vane for varying the position of the vane within the chamber.

REFERENCES:
patent: 3115159 (1963-12-01), Roku
patent: 5529026 (1996-06-01), Kurr et al.
patent: 6435143 (2002-08-01), Hollis
patent: 6745995 (2004-06-01), Hu et al.
patent: 10014555 (2000-10-01), None
patent: 19921421 (2000-11-01), None
patent: 2800125 (2001-04-01), None
patent: 1 321 593 (1969-06-01), None

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