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7557466 |
Humidity detection and power cut-off device
A humidity detection and power cut-off device for electronic equipment is provided. The device is connected between a battery ( 10 ) and a motherboard ( 40 ) of the electronic equipment and...
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7427844 |
Switch assembly, electric machine having the switch assembly, and method of controlling the same
A pump assembly for pumping a liquid and a method of controlling the pump assembly. The pump assembly includes a motor coupled to a pump, and an electronic switch assembly electrically connected to...
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7090943 |
Regulating the communication of power to components of a fuel cell system
A technique includes providing power to a group fuel cell system components and providing sensors to monitor conditions of the fuel cell system. The status of each sensor is associated with a...
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6970079 |
High/low level alarm controller
A high/low level alarm controller having ability to interface with level sensing equipment and instrumentation in a manner that isolates the controller from downstream components is presented. The...
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6892751 |
System and method for protecting a building
A building protection system includes a switch, a transmitter, a receiver and a controllable shut-off valve disposed within the inlet line of a utility, such as water or gas, provided to a...
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6675826 |
Automatic flood prevention system
A flood prevention system includes a double-latching solenoid valve that shuts off a water supply line in response to a moisture sensor detecting a leak in a plumbing system. The double-latching...
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6653245 |
Method for liquid phase deposition
A method for liquid phase deposition, including the steps of providing at least two raw materials from at least two supply devices of a saturation reaction system into a mixture trough and stirring...
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6646361 |
Method of synchronizing the switching of a circuit breaker with voltage waveform
A method of synchronizing drive to a gas-insulated circuit breaker with the voltage waveform applied to the terminals of the circuit breaker so as to cause the circuit breaker to switch at a...
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6646359 |
Electronic device with a housing for attachment to a pane of a motor vehicle
An electronic device with a housing for being attached to a pane of a motor vehicle by a coupling medium of flexible rubber- or gel-like material includes an exhaust duct for connecting an area of...
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6636155 |
Gauge having adjustable activating means
A mechanical gauge having a mechanism for setting multiple alarms within tolerance values. When such tolerance values defined by the mechanism are reached, the same mechanism activates an alarm.
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6612812 |
Semiautomatic electronic system for sensing and increasing liquid in a containment vessel to a predetermine level
A semiautomatic electronic system for sensing and accordingly raising if such is determined to be required, the fluid level of a liquid present in swimming pools, animal water drinking troughs, or...
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6584997 |
Overflow prevention mechanism for liquid transfer systems
An overflow prevention mechanism for use in association with liquid transfer systems of the type including an electrically controllable flow control device such as a pump connected between a source...
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6529845 |
Computer for liquid level measurement
A computer ( 20 ) adapted to communicate with a measuring apparatus ( 12 ) for receiving liquid level measurements and delivering a calibrated fuel quantity output ( 24 ) to a readout instrument (...
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6523562 |
Plumbing flood control system
A control system for stopping a plumbing-related flooding situation in a building includes at least one sensor for accumulating water and producing a low voltage electrical control signal when...
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6522032 |
Electrical switch and method of generating an electrical switch output signal
An electrical switch and a method of generating an electrical switch output signal. An electric switch senses both pressure placed upon the switch's surface and the contact of the object exerting...
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6429548 |
Pressure switch
A pressure switch is described with a pressure connection ( 11 ), with an electrical pressure sensor ( 19 ) to generate a pressure-dependent electrical signal, with an operator-device and/or an...
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6424059 |
Gas insulated switching device
A gas insulated switching device including a series of pressure containers 1 and 4 mutually connected, in which a conductor 2 is positioned in an inside center, and an insulating and...
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6229229 |
Liquid sensor for disabling an electrical device
A liquid sensor for disabling an electrical device includes upper and lower conductors, each preferably formed of wire mesh tape, separated by a water permeable insulating material such as foam....
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6192321 |
Method of and apparatus for deterministically obtaining measurements
A diagnostic test unit for deterministically measuring one or more parameters, such as dead band, dead time, response time, gain, or overshoot, of a process control device that is connected in a...
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6186162 |
Leak detection and shut-off apparatus
A water shut-off system incorporates a water shut-off valve utilizing a pair of adjacently disposed electrodes, a transmitter and a receiving means. The water shut-off valve is in the form of a...
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6125870 |
Overflow protection for a washing machine
Improved overflow protection for washing machines and other applications in which a liquid from a controllable valve fills a tub is achieved by a circuit in which a single pulse train generated...
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6119715 |
Automated pneumatic purger
An automatic control system for providing pneumatic purging protection for a sealed enclosure containing electrical equipment in accordance with the National Fire Protection Association standards....
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6114823 |
Circuit and apparatus for sensing fluid flow
A circuit and apparatus for magnetically sensing fluid flow through a conduit. The circuit includes a sensor and a sensor magnet for biasing the sensor in an on condition. A second magnet...
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6060794 |
Power window device and a control device used for the same
A power window device which uses a driving source such as a motor and the like for opening and closing a window, and a controlling device used for the same, have a submersion detecting element for...
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6024116 |
Valve assembly and acuator operative for automatically shutting off water and gas supplies to a hot water heater upon detection of a water leak
A valve assembly is operative for automatically shutting off both a water supply line and gas supply line to a gas-fired hot water vessel upon detection of water discharge, leak or overflow, from...
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6003536 |
Automatic water shut-off valve
An electrically actuated flow control device for use with an electrical household appliance includes a single body defining first and second flow passages. Inlet ends of the flow passages connect...
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5992443 |
Valve system
A valve system for use in conjunction with a hot water heater where the water line to the hot water heater passes through the valve system which, when a leak is detected by an electrical sensor,...
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5982047 |
Pressure switching device
The invention relates to a pressure switching device of the type used in motor vehicles and includes a pressure sensor 21 arranged in a housing 3, which generates an electrical signal U according...
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5973415 |
Capacitance level sensor
A capacitive level sensor for sensing level of a in a vessel includes a sensor coupled to the vessel having a shield and an inner sensing rod. An oscillator provides an RF signal to the shield and...
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5965814 |
Freeze/overflow detector with deactivating mechanism
An electrical circuit control system with multiple sensing probes used to detect the presence of excessive accumulations of moisture, in its liquid or frozen form in single or multiple phase air...
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5932937 |
Power control system
A power control system includes a sensing device, a switch, a controller, a first circuit, and a second circuit. The sensing device determines whether a first predetermined condition or a second...
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5929532 |
Method and apparatus for controlling electrical power supplied to a trailer ABS control unit and to an auxiliary circuit responsive to emergency air brake supply line pressure
A method and apparatus for permitting use of an ABS electrical power circuit associated with a tractor-trailer vehicle to provide auxiliary power whenever the trailer is parked and which provides...
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5889466 |
Apparatus and method of providing power control based on environmental conditions
The present invention is a method and apparatus for controlling power supply to aircraft electronic systems based on ambient environmental conditions. The apparatus comprises a monitor for...
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5874787 |
Isolation and positive shut-off system for a fuel dispensing facility
An isolation and positive shut-off system for a fuel dispensing facility having a plurality of dispensers and at least one fuel storage tank in electrical communication with one or more of the...
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5857482 |
System for control of fluid vessel overflows
An overflow control system includes a vessel having a liquid input and output, the vessel having a top and bottom defined by the gravity vector. The system further includes a housing peripherally...
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5854518 |
Inline condensation alarm system for a central air conditioning unit
An inline condensation alarm system used to detect condensation backup within the condensation line of a central air conditioning unit. The two stainless steel screws complete a circuit between the...
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5847473 |
Electrical contactor having a double immersion sensing function
An electrical switch having a double liquid medium immersion sensing function is disclosed. The switch (121) particularly includes a battery (125) connected to a power outlet (126) via an...
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5828307 |
Hydrocarbon gas monitor desk
An enclosure for housing electrical equipment is constructed to simplify use of general purpose electrical equipment at a location in a petroleum refinery which may contain combustible vapors. The...
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5811894 |
Safety module
A safety module which is intended to be used in an oil or gas production installation and to be lowered to a required depth with an electrically operable tool connected thereto, and which comprises...
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5798697 |
Exhaust/supply direction indicator
An apparatus for detecting the flow direction of a fluid from an apparatus or between two apparatuses such as a biohoods, fume cabinets, or filters. The device includes a conduit horizontal plane...
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5796184 |
Method and an apparatus for stopping a motor-driven pressure generating pump of a system for coating workpieces with atomized liquid coating material
A method and an apparatus are provided for stopping a motor-driven pressure generating pump of a system for coating workpieces with atomized liquid coating material in case of an empty material...
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5781387 |
Shock hazard protection system
A new and novel system for protecting people and property against electrical shock. It includes a number of preferred and other embodiments which have this as their goal, but which represent a...
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5780940 |
Hot wire safety switch
A remote switch includes a fluid-containing tube connected to a fluid-sensing switch. A hot wire sensor detects changes in flow through the conduit tube and is electrically connected to breaker...
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5763961 |
Electronic switching device
The electronic switching device serves to control the connection of a load to a voltage source by a switch which is controlled in a first operating mode directly by a binary signal furnished by a...
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5751074 |
Non-metallic liquid tilt switch and circuitry
An electrical switch sensitive to an externally applied inertial and gravitational force, having an enclosure with a closed space; a conductive fluid filing a first portion of the space and a...
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5747895 |
System for temporarily preserving signal-flow around a signal switch
A system for temporarily preserving the signal-flow to a device when a signal switch has been tripped. The system includes a time-delay relay connected in parallel with the switch. When the switch...
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5632302 |
Overflow protection shut-off apparatus for use with a water heater
An overflow protection shut-off device for use with a water heater for shutting off a supply of water to the water heater when a leaking or an overflow condition occurs, the device including a...
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5629570 |
Paint flow control interface
Paint flow control interface circuitry for passing electrical signals across a paint booth barrier including a feedback signal indicating a paint flow parameter from a parameter transducer within...
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5604386 |
Switch device and wiring structure therefor
The present invention relates to a switch device having a sensor for effecting a detection process such as a confirming the operation of an ejector or the like, confirming the existence of an...
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5576582 |
Automatic pump control
An automatic pump control for a pump such as a marine vessel bilge pump uses solid state components and has no moving parts. A first integrated logic device activates an FET transistor and...
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