Automatic temperature and humidity regulation – Mixing fluid of dissimilar temperature – Having oscillating or reciprocating valve
Patent
1995-11-13
1998-01-20
Tapolcai, William E.
Automatic temperature and humidity regulation
Mixing fluid of dissimilar temperature
Having oscillating or reciprocating valve
G05D 2313
Patent
active
057093393
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a sanitary mixing faucet with thermostat control, with a cold water supply, a hot water supply, and a mixed water discharge, with a means preferably a temperature control block which radially surrounds a control piston, with a temperature-dependent control element which interacts with the control piston, with an actuating lever and with a reset spring element which loads the control piston in the direction to the control element, a cold water annulus and an adjacent hot water annulus being provided and the control piston being adjustable for temperature control relative to the temperature control block into a temperature-determining neutral position and being controllable for temperature control by means of the control element. Furthermore, the invention relates to a thermostat valve with a control piston, with a means preferably a temperature control block which radially surrounds the control piston, with a temperature-dependent control element which interacts with the control piston, with an actuating element and with a reset spring element which loads the control piston in the direction to the control element, the control piston being adjustable for temperature control relative to the means into a temperature-determining neutral position and being controllable for temperature control by means of the control element.
2. Description of Related Art
While the sanitary mixing faucet on which the invention is based is known for example from DE-A-41 20 024, the thermostat valve on which the invention is likewise based has been known in and of itself for years in general in the sanitary and heating domain.
The known sanitary mixing faucet on which the invention is based is further provided with a stationary valve face disc or washer, with a valve disc or washer which can move on the valve face washer for quantitative control, with a temperature control block which interacts with the valve washer for temperature control, the temperature control block representing a means which surrounds the control piston. In particular, in the thermostat valve on which the invention is based the temperature control block can be designed as the means surrounding the control piston and also as part of the thermostat valve housing.
Further, sanitary mixing faucets of the type under consideration here also include an actuating lever which is accessible from the outside and a control lever which is connected to the actuating lever so that it is possible to intervene in the interior of the sanitary mixing faucet for control purposes via the externally accessible actuating lever and the control lever connected to it.
For sanitary mixing faucets of the type under consideration here it generally holds that the valve face washer has a cold water inlet opening which is connected to the cold water supply and a hot water inlet opening which is connected to the hot water supply, that in the valve washer there are openings which communicate with the cold water inlet opening of the valve face washer and the hot water inlet opening of the valve face washer, and that the temperature control block has cold and hot water inlet openings which communicate with the openings of the valve face washer as well as a cold water annulus and a hot water annulus. Between the temperature control block, i.e., between the cold water annulus and hot water annulus, is a control and stop collar, the control piston being made sleeve-shaped and having a cold water control edge and a hot water control edge with a distance to the cold water control edge and the control and stop collar having a width which is less than the distance between the cold water control edge and the hot water control edge, and projecting into the intermediate space between the cold water control edge and the hot water control edge.
In the known sanitary mixing faucets described above, on which the invention is based, between the temperature control block and the control piston are only weakly prestressed or non-pres
REFERENCES:
patent: 4029256 (1977-06-01), Dauga
patent: 4166575 (1979-09-01), Sassi
patent: 4607788 (1986-08-01), Bendall et al.
patent: 5370305 (1994-12-01), Schneider
Ideal-Standard GmbH
Safran David S.
Tapolcai William E.
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