Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 551 - 600 out of 18,864

Document Document Title
WO/1989/004542A1
The present invention provides a centrifugally activated switch (40) for mounting a rotor (29) and which provides an alternate current path for the induced current. The switch comprises a housing (42), a shaft (44) rotatable with the hou...  
WO/1989/001233A1
A stability protection device for electrical appliances which are freestanding in their operating position, in particular for appliances having an electric heating arrangement and a switch connected to the power supply to the appliance, ...  
WO/1988/010504A1
An electrical pressure switch (12) is used on a hydraulic system to indicate the presence of a minimum operating pressure. The hydraulic fluid acts on a piston (34) to move the piston (34) against a force exerted by a calibration spring ...  
WO/1988/008613A1
An electric switch is actuated by means of an inertial mass movably accommodated in a housing by at least one spring when the acceleration exceeds a predetermined valve. For this purpose, a steel spring ribbon curved about its longitudin...  
WO/1988/004459A1
A warning contact is mechanically established by an oscillation and vibration contact having upper contacting means (1) resiliently carried by cylindrical compression springs (3) on the lower means (2). Since its ability to remain in pos...  
WO/1988/003701A1
A differential pressure switch includes a housing which carries a switch assembly which is actuated by movement of a differential pressure responsive piston slidable within the housing. The piston shifts in response to pressure different...  
WO/1988/003725A1
Trimming of a trimmable microminiature force-sensitive switching device (10) that includes a silicon substrate (12) having a reduced-thickness, deflectable member (14) adapted to change its deflection in response to changes in the extern...  
WO/1988/001433A1
A mechanical disturbance detection switch comprises a chassis plate (1) and a pendulum member in the form of a disc (3) rotatably mounted upon a shaft (2) projecting from the chassis plate. The pendulum disc (3) has an eccentric weight (...  
WO/1988/000539A1
The ball detector for detecting the limit value of an acceleration or a deceleration of motor vehicles is intended to energize an automatic device which switches on the distress lights in the case of a shock or turning over, total or par...  
WO/1988/000325A1
An article in the form of a projectile (10, 50), a shock-sensitive switch (101, 110) or a sabot (131) having an active component of shape-memory alloy (14, 104, 130) which exhibits the shape-memory effect to provide a mechanical movement...  
WO/1987/004560A1
Safety disconnection device for electrical users, in particular for use in smoothing irons and portable heaters. It comprises a thermal switch (1) with another switch (22) connected in parallel with the user (R), a dropping resistor (R1)...  
WO/1987/003547A1
A detector (13) of the inflation pressure of motor vehicle tyres comprises a manometric switch activated by the tyre pressure in order to monitor said pressure. The manometric switch comprises a reference pressure chamber (21) isolated f...  
WO/1987/003546A1
A detector (13) of the inflation pressure of motor vehicle tyres is attached to the circumference of the rim of a wheel and comprises a manometric switch activated by the tyre pressure in order to monitor the said pressure. The manometri...  
WO/1986/007654A1
To protect the contact of a centrifugal switch and to prevent it from arcing in an induction motor. A TRIAC (triod AC semiconductor switch) is connected in parallel with the contact of a centrifugal device in a centrifugal switch, so tha...  
WO/1986/007266A1
A pressure sensitive member (15) having first and second configurations, the member being movable from said first to said second configuration by application of an increased differential pressure on said member, the member having no stab...  
WO/1985/005219A1
This new micro-mechanical switch is characterized by its very simple design, the very simple operating links between its component parts, the extremely small movement and play of the switching element(s), a material composition specific ...  
WO/1985/003383A1
A microminiature switch (104) for digitizing different valued external conditions, such as pressure, temperature or acceleration. The switch (104) includes a silicon wafer (108) having a deflectable, reduced-thickness membrane (106) adap...  
WO/1985/001830A1
Plant for setting on and setting off a pump driven by an electric motor by means of an electric switch mounted in a float which controls the setting on or setting off of the pump as a function of the water level by means of a spherical c...  
WO/1985/000464A1
A pressure switch having mechanical and solid state components. The switch includes mechanical components that are arranged so the mechanical components provide the electrical connections between a motor and an electric source for the mo...  
WO/1985/000204A1
Improvement to electro-fluidic relays susceptible of indicating either the maximal or the minimal threshold of pressure of a fluid circuit or the position of a movable member of a jack. The relay is comprised of a connector (1, 2) secure...  
WO/1984/004962A1
Device generating an electric coincidence signal when a body pivoting with respect to a horizontal rotation axis takes up a predetermined angular position to be characterized, with respect to said axis. According to the present invention...  
WO/1984/003585A1
A ferromagnetic ball (1) is mounted between dished first and second contacts (2 and 5) and subjected to magnetic restraint tending to retain the ball (1) in its central, rest position by means of a rare earth type magnet (7) which is acc...  
WO/1983/003386A1
A keyboard assembly (Fig. 1, 11) is constructed of first light transmisssion members (13), second light transmission members (15), a key actuation assembly (17) having a matrix of keybuttons (25), plural light source assembly (19) and pl...  
WO/1983/003160A1
To protect the operator of an electrically supplied apparatus in a damp room against an electric discharge, there is provided a protection device comprised of a probe formed by two conductors (44, 45; 46, 47) which cannot come in contact...  
WO/1983/002832A1
A temperature responsive control unit for controlling either cooling means such as a freezer or refrigerator or a space heater employs a first temperature sensing element (3A) responsive to temperature in the immediate vicinity of an eva...  
WO/1983/002523A1
In certain classes of displacement indicators it is beneficial to disallow certain outputs in response to certain temperature conditions. In prior displacement indicators this has been achieved through use of extrinsive devices or intern...  
WO/1983/002196A1
Movement of an inertia mass (4) from a rest position as a result of acceleration or deceleration in excess of a given threshold value causes a hinge-like assembly (8) having two parts (9 and 10) to pivot between two over-center positions...  
WO/1983/002157A1
A temperature or pressure sensing element of the kind having an expansible capsule or bellows (1) connected a capillary tube (2) by way of an hermetic seal is fabricated by sealing the capillary tube (2), which may be of aluminium, stain...  
WO/1983/002010A1
A device indicating movements of vehicles and working machines like a device for control of driving way of a motor vehicle, especially a car. The device indicates the accelerations and slackenings or swayings exceeding a certain limit. T...  
WO/1983/000746A1
An improved solid state relay and regulator (24, 34) having reduced turn-off time, analog or digital input, and analog or digital output, is obtained by using a depletion JFET (40, 50) as a variable resistance discharge path for a gate (...  
WO/1983/000405A1
In such installation, there is provided an electric sensor (1) which may be brought into one of the two adjusting positions, causing an electric switch-off, respectively a restoring of its contacts (4, 5), by means of an adjusting member...  
WO/1982/004497A1
A thermostatic switch unit for controlling a freezer or, for example, refrigeration apparatus in automotive air conditioning, includes a switch (1) which is acted upon by a thermostat mechanism responsive to the working temperature of th...  
WO/1982/002622A1
A filter bypass monitoring switch (22) includes a housing (24), a piston (28) slidable in the housing (24) and operatively coupled to a movable control member (20) of a bypass valve (18), a spring (42) to bias the piston (28) to follow t...  
WO/1982/002000A1
Inertia sensor in belt reels for vehicle belts comprising a rolling body (12) carried on a support (10), and a transmission element (14) for operative interaction with the latch mechanism of the belt reel. This transmission element compr...  
WO/1982/002113A1
Device for starting and stopping a pump driven by an electric motor, particularly an immersed pump, according to the liquid level of a tank by means of a float (11) arranged at one end of a supply cable (12). This cable leads to a switch...  
WO/1982/002114A1
The field of the invention is pressure measurement. The problem is the need for an effective, safe and reliable device for sensing fluid pressure in the tubing leading into a patient for administering parenteral fluids. The pressure dete...  
WO/1981/003715A1
The device is intended to cut-off automatically the electric power supply of a motor (4), when the latter is rotatingly blocked by a mechanical resistance. This device comprises balls (5) which become rotatingly integral with the motor (...  
WO/1981/002223A1
Pressure sensitive apparatus for producing electrical signals, on two electrodes. The apparatus has a layered structure consisting of a conductive layer (10), a piezoelectric polymer film layer (12), an electrode layer (14), an insulatin...  
WO/1981/000325A1
The inertia switch device (1) comprises an inertia mass (6) which is movable from a rest position when the device is subjected to an applied acceleration or deceleration in a horizontal plane, a first electrical contact (5) movable betwe...  
WO/1980/001735A1
A switch mechanism includes a fixed contact bar (75) on which two or more contacts (83, 78, 143) may be mounted. A movable contact (84, 79, 142) is associated with each of the fixed contacts. Two independent toggle mechanisms (70, 73) ar...  
WO/1980/001435A1
A device (10) for filling a pneumatic tire and sensing the air pressure therein has a check valve (22) disposed within a valve stem (14) and a pressure sensing switch (66) and which is temperature compensated to adjust for air pressure c...  
WO/1979/001143A1
In the past, the ease of assembly in calibration mechanisms of the cam-type for pressure switches has not been acceptable. The present invention greatly improves the ease of assembly. The invention is used for actuating and calibrating p...  
WO/1979/001028A1
It is necessary for the doors of prison cells, of sales, as well as the doors of armoured boxes and cupboards, to protect the switch which is mounted on the door or on the frame and which, by the closing motion of the door, releases a si...  
WO/1979/000500A1
An inertia switch (100) has an inertia mass in a concave seat for movement of an arm (21) on subjecting the switch (100) to a predetermined acceleration or deceleration. The arm moves a first electrical contact from a first stable positi...  
WO/1979/000337A1
Bellows-operated device wherein a pressure to be controlled is applied to the interior of the bellows (30) which operates indirectly a push rod (34) which in turn may operate an electrical switch. In order to render the device fail-safe,...  
JP6264934B2  
JP2018010789A
[Subject] A multi-optic-axis photoelectric sensor which is stabilized and closed inside of a floodlight and a euphotic machine is provided. [Means for Solution] Floodlight 10 and euphotic machine 20 are provided with case body 3, translu...  
JP2018010840A
[Subject] Provide a substrate processing device adapting a photoelectric method sensor system with high detecting accuracy which does not have an usable ignition source in explosion-proof area, and this photoelectrical sensor system. [Me...  
JP2018010788A
[Subject] A translucent plate can be satisfactorily fixed to a case body in the state of sealing via an elastic member, and a multi-optic-axis photoelectric sensor which reduced a field which cannot detect an object in a longitudinal dir...  
JP2018010790A
[Subject] A translucent plate can be satisfactorily fixed to a case body in the state of sealing via an elastic member, and a multi-optic-axis photoelectric sensor which reduced a field which cannot detect an object in a longitudinal dir...  

Matches 551 - 600 out of 18,864