Temperature-responsive, locking mechanism for, and in combinatio

Details Temperature-responsive, locking mechanism for, and in combinatio Temperature-responsive, locking mechanism for, and in combinatio

1994-11-07

1995-10-31

Tapolcai, William E.

Automatic temperature and humidity regulation

Thermostatic

In fluid controlled

137115, G05D 2300

Patent

active

054622263

ABSTRACT:
A temperature-responsive, locking mechanism is provided for a valve which has a rotary operating assembly journaled in a housing. The mechanism comprises an annulus coupled to the assembly for rotation therewith. A fluid temperature-operated electric switch is external of and coupled to the housing. A solenoid is mounted in the housing. A source of electric power is connected to the switch and the solenoid. The switch ia coupled to the solenoid for effecting solenoid operation, and locking means, coupled to the solenoid, and in proximity to the solenoid is actuable in response to solenoid operation for engaging the annulus and preventing rotation of both the annulus and the assembly.

REFERENCES:
patent: 562410 (1896-06-01), Moon
patent: 585383 (1897-06-01), Gold
patent: 915706 (1909-03-01), Shackleton
patent: 1261949 (1918-04-01), Lucas
patent: 1875857 (1932-09-01), Curff et al.

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