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7605336 |
Pressure switch with adjustable differental setting
A pressure switch includes a piston that is movably disposed in a sensor housing. The piston moves, in response to a media pressure being applied to a surface thereof, between at least a first...
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7475443 |
Pressure switch applicable for an inflatable body
A inflatable product for an inflatable body includes a casing with an airway adapted to communicate with an interior of the inflatable body, and a resilient element movably positioned inside the...
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7414207 |
Non-locking switch for filter monitoring
Commercially available filter-monitoring switches suffer from problems related to over sensitivity and reliability. Accordingly, the present inventors have devised, among other things, various...
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7365277 |
Buffer assembly for a pressure sensitive switch
A buffer assembly includes a housing adapted to sealingly connected to the pressure switch and defining therein a chamber and an airway defined in a bottom face of the housing to communicate with...
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7348509 |
High pressure switch with isolated contacts
A pressure switch employs electrical contacts isolated from pressure media. By employing a snap action blade in a snap over center configuration, it is possible to provide a hysteresis effect in...
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7309141 |
Air actuated decoration system and device
The invention is a system that provides a means to using passing air to turn on an electronically powered device that is removably attached to an exterior portion of a vehicle as the vehicle...
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7157653 |
Magnetic latching switch
A magnetic latching switch includes a housing having mounted therein a movable electrical control structure normally retained in a first position with a stationary electrical lug structure. The...
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7112753 |
Pressure switch
A water pressure switch employs two pivotable plates and springs to control the activation of the pump. The arrangement of the two pivotably plates, the springs and the activation device reduces...
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7078637 |
Low air pressure switch for automobile
A low air pressure switch for an automobile is formed in a water resistance structure in which a connector has an integral terminal and switch body so that a moisture input passage into the...
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6740828 |
Arm and safety switch
An arm and safety switch for ammunition rounds, such as a 120 mm multipurpose tank round, senses launch detonation pressure. The switch will not arm the projectile if the pressure detected is less...
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6633010 |
Compact, sealed pressure switch
A pressure switch 1 of this invention comprises a base electrode 2 , a terminal 3 , a disc 4 and a diaphragm 5 . The base electrode 2 has a switching chamber 7 for inserting the contact...
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6621021 |
Differential pressure switch and sensor
A differential pressure switch having a piston which is guided in a piston housing in a cylinder bore against the force of a return element, the piston head having a pressure P 1 applied to it,...
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6608266 |
Pressure switch with annular electrodes method of making same
A pressure switch assembly has a cup-shaped piston slidable in a bore covered with an elastomeric diaphragm responsive to external pressure to move the piston. A pair of axially spaced ring...
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6595051 |
Fluid level sensing and control system
An improved pressure activated control apparatus is provided for sensing fluid pressure and triggering one or more switches in response to the fluid pressure, as desired. The apparatus is designed...
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6495777 |
Pressure switch
A pressure switch. The switch includes a pressure sensor device adapted for receiving the input pressure and then moving the link rod due to the deformation caused by the input pressure. The switch...
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6452122 |
Pressure sensing device
An improved differential pressure switch has its supply pressure (a.k.a. the “high side”) connected to the high pressure side of a filtration unit and its downstream (a.k.a. the “low side”)...
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6443005 |
Pressure activated control
An improved pressure activated control apparatus is provided for sensing fluid pressure and triggering one or more switches in response to the fluid pressure, as desired. The apparatus includes a...
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6329619 |
Pressure switch
A pressure switch comprises a switch lever 8 equipped with a switch contact and a working shaft contact portion 82, and a working shaft 6 driven by the pressure of a fluid so as to close or open...
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6064014 |
Pressure responsive electric switch assembly and method for making
As assembly of normally open pressure responsive electric switches (10a-10e) is provided using a single lead frame (8) for forming respective discontinuous annuli (12) to serve as contact surfaces...
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5932857 |
Pressure switch with biaxially oriented thermoplastic diaphragm
A pressure responsive electric switch (10) is shown having an improved flexible diaphragm (28) to extend the useful life of the switch particularly when used with fluid media of a corrosive nature....
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5917164 |
Pressure-sensitive switch with polyphenylene sulfide resin receiving member
A pressure-sensitive switch typically used in an automobile engine room comprises: a housing having a passage communicating with a pressurized fluid path; a switch case fixed to the housing; a...
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5889247 |
Normally closed, pressure responsive electrical switch
A normally closed, fluid pressure responsive electric switch (10) has an electrically conductive body (12) formed with an orifice (12a) leading to a pressure chamber (12c) which is separated from a...
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5872345 |
Pressure switch
A pressure switch includes a switch housing which has an accommodation bore extending inward from one end of the switch housing, and a slide bore extending between the accommodation bore and the...
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5744771 |
Pressure switch with increased deadband
A pressure switch has a housing with an interior bore extending from one end to the other. A rod slidable within the bore and operated by external fluid pressure extends between a piston at one end...
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5728986 |
Block mounting of pressure switch cartridge
A cartridge type pressure switch is formed with a cup-shaped contact flanged outwardly at its rim and slidably nested in an annular spacer. A flexible diaphragm has an integrally formed annular...
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5672049 |
Electromechanical device for the protection of a pump in waterworks of various types, in the absence of water
The device comprises: a branch (5) from the outlet (M) of the pump to a cavity (7) partially delimited by a membrane (14); a moving element (16, 22, 24) in a casing (9); a spring (36) pushing said...
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5670766 |
Pressure switch
A pressure actuated switch has a diaphragm mounted across a piston having a piston head. Movement of the piston under pressure variations acting on the diaphragm actuates the pressure switch. A...
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5661278 |
Pressure responsive apparatus couples by a spring-loaded linearly moving carrier to operate a switch unit
A miniature pneumatic switch apparatus has a diameter of three-eights inches and a height of five sixteenths inches and operates from minimal pressure to 100 psi. A pressure responsive unit...
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5602373 |
Differential pressure switch with an adjusting piston driven by a restoring spring for an oil-separating air filter
A differential pressure switch particularly suitable for monitoring dirt accumulation on a filter element of an oil-separating air filter comprising a piston which is movable in response to a...
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5570481 |
Suction-actuated control system for whirlpool bath/spa installations
A suction-actuated control system (10) for a whirlpool bath/spa installation includes a suction-side transducer (52) connected in the suction inlet path and a controller (54). The suction-side...
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5538185 |
Vehicle mounted liquid spray apparatus
A reversing switch and more particularly a diaphragm operated electrical polarity reversing switch which has general utility but in the application the reversing switch is disclosed for use in...
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5530215 |
Pressure switch
The problem of providing plurality of different models of pressure switches to suit the requirements of a plurality of differing manufacturers may be minimized or eliminated in a pressure switch,...
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5508483 |
High pressure switch apparatus
A high pressure switch (10) is shown having a housing member (12) with an orifice (22) extending from a first end (18) to a recess (24) formed in a surface (26) in a central portion (14) of the...
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5482439 |
Power breaker for a compressor for automobiles with a curved plug and wrinkled control disk
A power breaker for a compressor for automobiles including a base provided with a first conducting member and a second conducting member, a circular plate disposed within the base and having a...
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5461208 |
Compact high pressure snap-acting switch
A pressure switch particularly adapted for use with high pressure fluid is shown having a frusto-conical support surface in the form of a protuberance (121, 121') formed at the center of a surface...
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5373127 |
High pressure responsive switch device
A pressure responsive switch is shown having an electrically conductive body 12 formed with a bore 24 which extends from one side through the body into recess 30 formed in the opposite side of the...
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5369233 |
Safety pressure sensor, in particular for microswitches
A safety pressure sensor in particular for microswitches comprises a base body (2) to be engaged to a receptable containing a fluid under pressure, a flexible diaphragm (6) disposed in contact with...
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5304758 |
Temperature compensated low pressure switch for hybrid inflators
A pressure switch (30) adapted to be placed within a pressurized chamber for generating a logical signal when the pressure within the chamber reduces to a determinable pressure P 1 . The pressure...
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5296659 |
Differential pressure monitoring device
A novel hybrid air bag inflator system includes a differential pressure monitoring switch which comprises a sealed module containing a gas under a threshold pressure mounted in a gas bag filler...
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5281782 |
Diaphragm pressure switch
A diaphragm for a diaphragm pressure switch used to sense paint pressure in an airless, piston-type paint spray gun includes a disc-shaped, deflectable, chemically-inert primary member and a...
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5278367 |
High pressure responsive switch and method for making same
A pressure responsive switch is shown having an electrically conductive body 12 formed with a bore 24 which extends from one side through the body into recess 30 formed in the opposite side of the...
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5272294 |
Pressure vessel system, pressure responsive device for the system, and method for forming a diaphragm for the device
A pressure system has a pressure vessel holding gas under pressure and has a pressure responsive device arranged to be responsive to loss of gas from the vessel to provide a warning signal or the...
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5243158 |
Fluid operated pressure switch for controlling a switching element
A pressure switch for controlling a switching element includes a spring-loaded piston operatively connected to the switching element and acted upon by a pressure fluid. A diaphragm separates the...
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5233142 |
Snap action electrical switching mechanism with dual set points
A first belleville spring, having a given preload, controls a translatable, elongate, contact disc assembly, to cause a shunting disc to remove from, and close into contact with a pair of circuit...
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5153396 |
Combination high pressure switch and valve device
A combination high pressure relief valve/high pressure cut-off device includes a housing for mounting in a pressure control installation. A high pressure switch, biased to a closed position, is...
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5149927 |
Binary action pressure switch
A make-before-break pressure switch has a pair of snap-acting discs separated by a travelling spacer. At a low level switching pressure, the travelling spacer is moved by the pressure sensing...
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5140113 |
Differential pressure control switch with a pivoting actuating lever and a biasing spring sealed in a housing
A differential pressure control provides a housing having a pair of opposing inlets for accepting lines having different fluid pressures therein. The inlets are sealably connected to a central...
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5120915 |
Pressure-actuated pump control switch
A pressure switch according to the invention combines a pressure chamber with diaphragm, plunger, spring-loaded switch mechanism and electrical contacts in a single compact assembly. According to...
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5089675 |
Resistor card calibration retention method and fuel pump switch
An improved pressure transducer having a switching device operated in response to changes in fluid pressure is disclosed which incorporates a terminal support member having electrical contacts...
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5061832 |
Field settable differential pressure switch assembly for low fluid pressure applications
A differential pressure switch assembly for low pressure applications permitting accurate "in field" set pointing of same, comprising a capsulized instrument that includes housing high and low...
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