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7766650 |
Gas-powered tool
A controller includes a shell, a valve, a temperature-sensitive regulator and a cover. The shell defines an intake, a first space in communication with the intake, a second space in communication...
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6557592 |
Bottle valve
A bottle charged with a gaseous material intended to be discharged through a range of temperatures but not outside that range, has a valve through which the gaseous material is to be directed. The...
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6450412 |
Temperature actuated flow restrictor
A thermostat valve 10 is provided for controlling gas flow to an infrared catalytic heater 26. The thermostat valve includes a thermally responsive snap member 50, 64 positioned within a housing...
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6374848 |
Automatic mechanism for cut-off and drainage of under low-freezing ambient temperature conditions
An automatic mechanism is provided for cutting-off water flow to a plumbing system of a house, an apartment, a business or the like, while at the same time draining water/plumbing systems when...
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5831345 |
Priority relay circuit with timer
A priority control system is disclosed for controlling multiple secondary load devices, and one priority load device. The secondary load devices can be randomly controlled at any time, except when...
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5826790 |
Temperature-sensitive shutoff valve
A new temperature-sensitive valve for handling liquids includes a housing having a valve seat and a valving member mounted for movement from a flow-permitting first position spaced from the seat to...
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5685481 |
Trip-free high limit control
A trip-free high limit control for a water heater having a source of heat to heat the water. A switch arm is mounted in a control housing for movement in the housing. The switch arm has a first...
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5488347 |
Thermostat assembly with flanged disc cup
A thermostat has a metal disc cup with a circular cup bottom wall and a cylindrical cup peripheral wall. An inclined flange extends outwardly from the cup peripheral wall. A body whose temperature...
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5352416 |
Valve arrangement for a sterilization container
The valve arrangement for a sterilization container having a pressure chamber with vent openings, includes two valve bodies arranged in the pressure chamber above the vent openings. The valve...
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5263643 |
Thermally responsive relief valve
A thermally responsive pressure relief valve using a bimetallic valve disc as a component. The bimetallic valve disc is used as a temperature sensitive valve seal. When temperatures go beyond the...
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5037061 |
Valve construction and method of making the same
A valve construction and method of making the same are provided, the valve construction comprising a housing provided with a chamber therein and with an inlet leading to the chamber and outlet...
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5035512 |
Oil-level sensing apparatus having a time delay function
An oil level sensing apparatus has a body which defines a volume having an open bottom. A float in the volume supports a permanent magnet and moves within the volume in accordance with the oil...
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5011075 |
Variable flow valve
A fluid flow control device primarily intended for throttling the flow of liquid refrigerant between two flow rates. The device includes a disc which moves between two distinct positions with a...
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4995553 |
Thermally controlled valve
There is provided a thermally controlled valve having a valve seat, a closure valve associated therewith, an expansion capsule containing an evaporation medium which actuates the closure valve by a...
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4878512 |
Valve mechanism
In a freeze protection-valve, a wax actuator is situated in a heat-conductive housing to which heat is conducted from the liquid system being protected. The housing prevents the actuator from...
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4830277 |
Thermostatic valve
A thermoplastic valve includes a valve body having an open cavity therein and inlet and outlet passages which communicate with the cavity, a valve seat at the inner end of the outlet passage and a...
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4821954 |
Thermally activated snap-action valve
A thermally activated snap-action valve includes a valve body having an interior cavity and inlet and outlet passages formed therein and a bimetallic disc, a ball element, and a resilient...
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4748432 |
Device for the automatic control of room temperature in existing automobiles
A device for the control of room temperature in existing automobiles is placed in series with the driving circuit of the blower motor of the automobile. The temperature control device includes a...
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4643352 |
Temperature compensating vacuum delay valve
For use in applying a vacuum to a choke pull-off assembly, a temperature compensating vacuum delay valve comprising a housing a first opening adapted to be connected to manifold vacuum and a second...
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4615482 |
Multi-way fluid flow control valve
A temperature-dependently actuated 3-port, 2-way valve 1 has a bimetallic disc 22 which closes either a valve seat 15, as shown, or a valve seat 14 when it snaps over into an upwardly domed...
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4586653 |
Discharge device for a condensate controlled by a bimetallic snap disc
In a discharge device for a condensate operative within a given temperature range, and including a housing, a valve seat disposed in the housing, a closure part cooperating with the valve seat and...
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4580719 |
Thermostatic control device
The specification discloses a thermostatic control device for controlling the flow of a pressurized fluid. A housing having a plurality of flow-through apertures encloses a valve which is movable...
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4574762 |
Device for temperature responsive switching of overflow fuel quantities of a diesel fuel injection pump
In a device for temperature responsive switching of overflow fuel quantities from a diesel fuel injection pump to a fuel supply tank or a filter of a fuel supply system a switching valve, arranged...
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4546919 |
Ventilator actuator
A ventilator actuator is provided for opening and closing a ventilator opening having a diaphragm secured to a closure member mounted for pivotal movement about an axis to form a reservoir for a...
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4515069 |
Change-over diffuser
A thermally powered change-over diffuser is disclosed which includes a housing having an outlet and movable blade assembly mounted with respect to the outlet for displacement between a first...
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4460007 |
Valve mechanism
In a freeze protection valve, a wax actuator is situated in a heat-conductive housing to which heat is conducted from the liquid system being protected. The housing prevents the actuator from...
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4460124 |
Double throw valve
An improved thermally actuated valve assembly having a double throw feature comprises three ports in which two passage routes are provided through the valve; one passage route connecting ports one...
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4458840 |
Temperature responsive valve
A temperature responsive valve includes a bimetal disk which snaps in response to changes in temperature, a rod moved by the snapping action of the bimetal disk, a valve member in association with...
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4392608 |
Thermally responsive fluid and electrical switch and control system
A thermally responsive fluid and electrical switch particularly for use in an automotive engine control system has first and second housing means each with an open-ended well, the housing means...
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4386732 |
Thermally responsive valve assembly
A thermally responsive valve assembly having two ports and a valve mechanism interposed between the ports. The assembly employs a bimetallic element assembly including a pair of dish-shaped...
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4382545 |
Bimetal-actuated temperature responsive valve assembly
The bimetal-actuated temperature responsive valve assembly includes a body having inlet and outlet parts, a valve member for controlling communication between the inlet and outlet parts, a movable...
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4382546 |
Temperature responsive valve device
The temperature responsive valve device controls a fluid passage within a valve body by opening a valve member at a low temperature, closing the valve member at an intermediate temperature and...
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4378907 |
Dual function thermal valve
An improved, dual function, thermal valve assembly has two passages and two valve mechanisms disposed in the passages, respectively. The assembly employs two thermally responsive actuating members...
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4361167 |
Snap-acting drain valve
A snap-acting drain valve for draining a fluid system upon the occurrence of a predetermined temperature condition of the fluid. A spring-loaded valve is held closed against the spring force by a...
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4339075 |
Bimetallic-controlled steam trap
A steam trap has a control member which includes a bimetallic element at the prepressure side and a locking element, which is biased by the prepressure in an opening direction relative to a valve...
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4322032 |
Thermally responsive valve device
The thermally responsive valve device is comprised of a body having three passages therein, the first of which is adapted to be conected to a vacuum source while the second and third passages are...
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4295602 |
Control valve
A temperature-responsive valve for controlling the flow of fluid comprises a housing having a chamber therein, an inlet port communicating with said outlet port communicating with said chamber and...
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4262844 |
Control valve
A temperature-responsive valve for controlling the flow of fluid substantially without being affected by the pressure of or the turbulence generated by said fluid, comprises a housing having a...
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RE30552 |
Fuel vapor vent valve
A fuel vapor vent valve comprising a plastic body including a base wall and a peripheral wall and a plastic cap including a base wall and a peripheral wall surrounding the peripheral wall of the...
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4247041 |
Thermally responsive valve device
A thermally responsive valve device comprises a body member having an inlet port and outlet ports, a first passage communication between the inlet port and one of the outlet ports, a second passage...
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4239152 |
Temperature responsive valve assembly
A temperature responsive valve assembly comprises a valve for controlling the fluid communication between fluid inlet and outlet passages containing therein a fluid to be controlled, a valve...
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4181254 |
Pneumatically and temperature controlled valve construction
A pneumatically and temperature controlled valve construction adapted for interconnecting a pneumatic source to a pneumatically operating device when said construction senses one of a pair of...
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4144998 |
Double throw thermal valve
An improved thermally actuated valve assembly having a double throw feature comprises three ports in which two passages are provided among these three ports; one passage connecting ports one and...
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4139151 |
Electric thermal switch valve
An electric-thermal switch valve has a body with a first port and at least one second port with a temperature operated valve means including a valve seat and a bimetal element, responsive to...
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4134543 |
Snap action thermally responsive fluid control valve
A snap action fluid control valve, the operation of which is controlled by a relatively slow acting thermally responsive actuator member. The valve of this invention is particularly adapted for use...
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4133478 |
Temperature responsive valve
A temperature responsive valve is disclosed including a pair of body members which are snapped together and when assembled define a valve chamber. Located within the valve chamber is a bimetal snap...
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4130265 |
Electrically operated switching valve
An electrically operated switching valve comprising a valve housing provided with a pair of opposed valve ports, a valve member disposed between the valve ports for co-operation therewith and a...
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4117976 |
Multi-function thermostatic valve
An improved multi-function, thermal valve assembly has four ports with two passages sealingly separated one from another; the first passage connecting the first two ports and the second passage...
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4103824 |
Thermostat for coolant presented as switch specifically for combustion engines
This invention relates to the thermostat for coolants to switch coolant flow from a first passage to either a second or third passage. The thermostat comprises a bimetallic spring disc which in one...
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4102496 |
Thermal valve
An electro-thermal gas valve uses a mechanical energy storage device, preferably a C-spring or a coil spring, to effect a snap opening and closing of a poppet in response to the position of a heat...
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