Patents
Patents for H01H 35 - Switches operated by change of a physical condition (7,690)
03/1994
03/15/1994US5294760 Digital pressure switch and method of fabrication
03/10/1994DE4328472A1 Impact sensor for vehicle airbag system - with rotation of weight allowing movement of release arm into contact closure position
03/10/1994DE4229068A1 Beschleunigungsschalter und Verfahren zur Herstellung Acceleration switch and process for preparing
03/09/1994EP0398974B1 Rapid pressure rise circuit
03/09/1994CN2158569Y Switch automatically controlled by liquid level
03/08/1994US5293090 Centrifugal actuator assembly
03/08/1994US5292232 Liquid pump pressure control system
03/08/1994US5291793 For transmitting an axial tensile or compressive force
03/03/1994WO1994005029A1 Circuit breaker
03/02/1994CN2157787Y Alarming system for drip
02/1994
02/22/1994US5287562 Helmet to protect cervical spine against axial impact forces
02/17/1994DE4226941A1 Differential pressure switch - provides housing with port located on each side of elastic metal strip for supply of pressures to be compared, with strip attached at one end within housing and magnetic sensor for detecting movement or position of free end of strip
02/15/1994US5286931 Gauge with indicator switch
02/15/1994US5285960 Hygroscopic solution; electrodes mounted in separate vials; controlling
02/15/1994US5285652 Sensor for pressure controlled switching valve for refrigeration system
02/15/1994US5285648 Differential pressure superheat sensor for low refrigerant charge detection
02/08/1994US5285035 Dust proof electrical switch
02/08/1994US5285033 Tilt action switch
02/08/1994US5285032 Ball switch
02/08/1994US5285031 Pendulum-activated switch assembly
02/01/1994US5283405 Enclosed electrical contact assembly for dynamoelectric machines
02/01/1994US5283402 Acceleration sensor with magnetic operated reed switch
02/01/1994US5282387 Shock sensor
01/1994
01/27/1994DE4324348A1 Fluid pressure actuated electrical switching device - has spring and contact carrying lever mechanism to provide adjustable snap action operation between low and high pressures
01/27/1994DE4224079A1 Capacitor over-pressure and drop=out indicator for capacitor bank - separates capacitor from external circuit using pressure-sensitive membrane for moving conductor, and has leaf spring, light valve, inductive or capacitive proximity switch for triggering display
01/26/1994EP0579867A1 Pressure switch
01/26/1994CN2154533Y Magnetic controlled switch for pressure water pump of household
01/26/1994CN2154532Y Electron micro-voltage controllor
01/25/1994US5281858 Fluid level activated float switch
01/25/1994US5281782 Diaphragm pressure switch
01/25/1994US5280926 Seal apparatus for pressure responsive electrical switch
01/20/1994DE4234551C1 Safety disconnection device for automobile battery - uses circuit breakers between series battery cells released in response to abnormal retardation resulting from accident
01/19/1994EP0579448A1 Seal apparatus and method for forming
01/19/1994EP0579233A1 A fail-safe scan circuit and a multibeam sensor
01/13/1994DE4322540A1 Ball lead-screw drive transmission with overload protection - provided by mechanical switch element triggered at set load point to shut down drive
01/12/1994EP0578529A1 Security device for electrical opening parts in vehicals with a drive cable for an opening member, in particular window winders and sliding roofs
01/12/1994CN2153134Y Water pressure type mains switch with improved structure
01/12/1994CN2153133Y Position change switch
01/11/1994US5278367 High pressure responsive switch and method for making same
01/11/1994CA2100120A1 Safety device for electrical openers for a vehicle, of the type having a cable for driving a movable member, especially window lifters and sunroofs
01/06/1994WO1994000863A1 Fluid flow switch assembly
01/06/1994CA2137808A1 Fluid flow switch assembly
01/05/1994CN2152299Y Oil saving pressure control switch
01/05/1994CN2152298Y Touch switch for toy
12/1993
12/23/1993WO1993026026A1 Shock sensor
12/23/1993DE4219823A1 Magnetically operated tilt switch with movable magnetically permeable ball - uses longer and shorter glass tubes contg. respectively break-before-make contact set and steel ball displaceable in paraxial direction.
12/22/1993CN2150622Y Centrifugal switch base with improved structure
12/21/1993US5272294 Pressure vessel system, pressure responsive device for the system, and method for forming a diaphragm for the device
12/21/1993US5272293 Rolamite acceleration sensor
12/21/1993US5271329 Impact contactor particularly for projectiles with an explosive charge
12/21/1993CA1325453C2 Dynamoelectric machine having terminal board assembly
12/21/1993CA1325345C Mechanical transducer
12/15/1993CN2149682Y Protection device operated by interruption of water
12/09/1993WO1993024948A1 Traffic accident detecting sensor for a passenger protection system in a vehicle
12/09/1993WO1993023984A2 Acceleration transducer
12/01/1993EP0519940B1 Acceleration switch
12/01/1993CN2148388Y Jogging spring-touch switch
11/1993
11/30/1993US5266761 Dynamoelectric machine, methods of assembling such, terminal board assembly, and method of assembling a switch device with a supporting means therefor
11/18/1993DE4225026A1 Control switch for liquids or gases e.g. for sensing presence of flow - provides flow-operated switching piston with magnet and has housing contg. reed switch and second magnet for pulling first magnet against force of flow.
11/18/1993DE4215514A1 Inclination switch for automobile bonnet or boot lid - has rolling ball acting on one arm of pivoted switch wiper carrying movable contact at opposite end
11/11/1993WO1993022781A1 Temperature compensated low pressure switch for hybrid inflators
11/11/1993DE4215058C1 Electric switch operated by flexible membrane for vehicle technology - has coating made on inside face with binder material for contact-damaging material within switch space
11/11/1993CA2117897A1 Temperature compensated low pressure switch for hybrid inflators
11/10/1993CN1022716C Float bowol hammer left-right circuit switch device
11/03/1993EP0568508A1 Level sensor
11/03/1993EP0567719A2 Electrical switching mechanism
11/03/1993EP0567717A1 Optoelectronic barrier
11/02/1993US5257816 Air bag apparatus for vehicle
10/1993
10/28/1993WO1993021616A1 Rupture disk sensing assembly
10/27/1993CN2144860Y Stream current switch capable of guarding against low water pressure
10/27/1993CN2144859Y Stream current relay
10/26/1993US5256839 Tilt switch responsive to acceleration or deceleration
10/20/1993EP0566111A1 Switch signalling changement of position and acceleration
10/14/1993DE4311682A1 Safety system with inflatable safety bag for motor vehicle - has associated battery=powered monitoring circuit fitted inside steering wheel
10/13/1993EP0565028A1 Pressure switch
10/13/1993CN2143816Y Pnenmatic automatic switch
10/12/1993US5252796 Signal tube operated switches
10/12/1993US5252795 Tilt switch
10/12/1993US5252792 Subassembly for a pressure switch
10/05/1993US5250768 Float switch with snap action member
09/1993
09/29/1993CN2143001Y External-regulating gas relay
09/28/1993US5248861 Acceleration sensor
09/22/1993EP0561572A1 Differential pressure switch
09/21/1993US5245834 Condensate tank of a dehumidifier
09/18/1993CA2089721A1 Differential pressure switch for stored gas pressure vessel
09/16/1993DE4236328C1 Acceleration and inclination sensor for vehicle automatic transmission - detects position and deformation of freely movable mercury drop within arcuate hollow space contg. contact electrodes
09/14/1993US5243875 Control device, parts therefor and methods of making the same
09/07/1993US5243158 Fluid operated pressure switch for controlling a switching element
09/01/1993EP0557505A1 Crash sensing switch
08/1993
08/25/1993EP0464094B1 Inertia switch
08/25/1993CN2141121Y Rolling-ball mains switch
08/24/1993US5239130 Electronic proximity switch
08/17/1993US5237136 For use with an explosive well tool to prevent accidental or premature firing
08/17/1993US5237135 Omni-directional inertia switching device
08/17/1993US5237134 Gas damped crash sensor
08/10/1993US5235325 Weight alarm device for trash containers
08/10/1993US5235324 Detector for over-pressure inside a pipe and a pump fitted with such a detector
08/05/1993DE4202419A1 Sensor for automatic triggering of vehicle passenger safety devices - contains foil carrier with conducting tracks which touch when foil kinked under acceleration
08/05/1993DE4202418A1 Acceleration sensor for triggering vehicle passenger safety devices - contains switching magnets, at least one fixed and one spring suspended, and magnetic field sensitive reed switch
08/04/1993CN1021756C Control actuator and switch
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