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Class 337/392 - With operating range calibration or adjusting means


Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter including significant details of means whereby
No. of patents: 11
Last issue date: 05/27/2008


NumberTitleIssue Date
7378934Negative rate switch methods and systems for resilient actuating device
Methods and systems for actuating a negative rate switch. A negative rate switch comprising a plunger and a resilient actuator thereof can be provided, wherein a highest plunger force occurs at a free position and a lowest plunger force occurs at a full over travel ...
05/27/2008
6512434Circuit breaker with shift guide
A thermal overload open-phase tripping device includes in a case bimetals corresponding to different phases; a differential shifter mechanism composed of a push shifter and a pull shifter, linked to operating ends of the bimetals, and an interlocking plat...
01/28/2003
6471135Adjustment and control unit for gas burner valves with bimetal rod-and-tube thermostat
An adjustment and control unit for gas burner valves provided with a bimetal rod-and-tube thermostat which is arranged on a rocker supporting the flow control element of a valve. A translational motion actuator is arranged so as to push on the rocker, on ...
10/29/2002
5894259Thermal trip unit with magnetic shield and circuit breaker incorporating same
A solenoid type magnetic trip assembly for a molded case circuit breaker includes an armature biased against an adjustable stop by a tension spring to set the initial gap for the magnetic trip, so that the spring bias remains constant for the full range o...
04/13/1999
5077537Thermostatic probe switch apparatus
A probe thermostat is shown having a single, stamped metal channel having a first coefficient of expansion coupled to a rod having a second, different, coefficient of expansion. An electrically insulating block is mounted on the channel which in turn cant...
12/31/1991
4754253Adjustable temperature thermostat
A thermostatic switch is shown having a body supporting a temperature sensing probe formed of a rod of one thermal coefficient of expansion connected to a channel of a different thermal coefficient of expansion. The difference in expansion between the rod...
06/28/1988
4604603Dual temperature thermostat
A dual temperature probe-type thermostat is illustrated in which a rod and tube probe is mounted at one end with a swivel on the switch body. The swivel structure is simplified to provide a bearing member engaged and positioned by the rod during swiveling...
08/05/1986
4374373Multiple contacts, snap-action, thermal switch
A snap-action thermal switch adapted to be operated by an expansion element. The switch includes a switch reed pivotable between two switching positions, a switch spring exerting force components in a longitudinal direction and in a pivoting direction of ...
02/15/1983
4107638Thermostat
A thermostat useful for an appliance, which uses a snap action stressed-leaf spring having two stable stressed configurations for the making and breaking of a circuit. Stressing of the spring is provided by differential movement of parts of a heat probe....
08/15/1978
4090165Thermostat range limiter
A device is disclosed which is easily installed in a standard thermostat mechanism to limit the range of temperature to which the thermostat may be adjusted. The device is a generally flat template which is internally installed in the thermostat and physi...
05/16/1978
3999158Range limiter for a thermostat
A thermostat having an ambient temperature responsive element, a switch mechanically coupled to the temperature responsive element for control thereby so as to cause reverse switch operations above and below a temperature setting, means for controlling th...
12/21/1976
 
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