Automatic temperature and humidity regulation – Cooling radiator – Bypass
Patent
1977-09-22
1979-08-14
O'Dea, William F.
Automatic temperature and humidity regulation
Cooling radiator
Bypass
236100, G05D 2302
Patent
active
041643224
ABSTRACT:
A thermally responsive valve device having non-linear flow characteristics. The thermally responsive valve device includes movable and stationary valve structure. A movable valve member is movable to adjust the open area of a flow passage, but movement of the movable valve member provides non-linear relationship between the area of the flow passage created and the distance of travel of the movable valve member. The movable and/or the stationary valve member is provided with an irregularly shaped portion so that with slight opening movement of the movable closure member less fluid flow than normal is permitted. As the movable valve member continues to move in an opening direction, the fluid flow increases at a predetermined non-linear rate until a specific flow rate is achieved. This operating characteristic eliminates or dramatically reduces temperature fluctuations in the system.
REFERENCES:
patent: 907851 (1908-12-01), Munson
patent: 1850850 (1932-03-01), Peterson
patent: 2642254 (1953-06-01), Armstrong
patent: 3365130 (1968-01-01), Kamin et al.
patent: 3380560 (1968-04-01), Katz
patent: 3704726 (1972-12-01), Lewis
patent: 3791618 (1974-02-01), Nelson et al.
Wilson Earl L.
Wong Backman
O'Dea William F.
Standard-Thomson Corporation
Topolcai, Jr. W. E.
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