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Class 200/80R - CENTRIFUGAL


Subclass of Class 200 - Electricity: circuit makers and breakers
Definition: Circuit-controllers in which the contact is operated by
No. of patents: 97
Last issue date: 07/19/2011


1      
NumberTitleIssue Date
7982147Centrifugal switching device of single-phase induction motor
A centrifugal switching device of a single-phase induction motor includes a centrifuge and pressure switches. The centrifuge includes a centrifugal sleeve, a centrifugal base, shaft coupling blocks, and a spring. The spring is directly fitted on the centrifugal base...
07/19/2011
7320363Energized slip ring assembly
A slip ring assembly including a slip ring and an electrical contact assembly. The slip ring defines a circumference and an electrical contact groove extending around the circumference of the slip ring. The electrical contact assembly preferably includes a plurality...
01/22/2008
7223930Encased starting switch contact assembly protected against dust and small particles for a single-phase rotating electric machine and a method of assembling said switch
The present invention refers to a starting switch having a protection against dust and small particles for rotating electric machines and to a method of assembling said switch. The switch according to the present invention provides an easy-to-assembly system for the...
05/29/2007
7220047Control dial and ejector button for handheld appliance
A handheld mixer (10) has a body comprising a housing (12) that houses a motor and drive system and an integral handle (16), and one or more mixer attachments (20). A rotatable dial control (24) is rotatable about an axis (28
05/22/2007
7216026Vehicle-dynamics control method and system for a vehicle train
A vehicle-dynamics control method and system for a vehicle train comprising a tractor vehicle and a trailer vehicle. The vehicle-dynamics control system provided in the tractor vehicle, on the basis of vehicle-dynamics signals measured in the tractor vehicle, delive...
05/08/2007
7110634Optic switching mechanism
Techniques for switching an optical element from one path to another, where each path has high dimensional stability in a harsh thermal and dynamic environment, are disclosed. In one particular embodiment, the optic is mounted on a rotable platform. A spring mechani...
09/19/2006
7100354Shut-off system for the avoidance of an overspeed condition in the event of a shaft failure
A mechanical-electronic shut-off system detects a shaft failure and initiates the shut-off of the fuel supply. It features, on the free end of a reference shaft (2) connected the to energy-consuming end of the respective shaft (1), an axially moveable ...
09/05/2006
7048213Methods of operating a food waste disposer having a variable speed motor
The present invention provides a food waste disposer having an upper food conveying section, a motor section, a central grinding section and a controller. The upper food conveying section includes a housing forming an inlet to receive food waste. The motor section i...
05/23/2006
7026920Theft prevention system for an automobile having a power door
An alarm system module for an automobile includes: a logic circuit; an actual vehicle speed value input configured to receive an actual vehicle speed value from the automobile; a state selection input configured to receive a state selection instruction from a user; ...
04/11/2006
6982507Electric motor assembly with a module attached to a motor housing
An electric motor assembly including a mechanism for mounting a module housing end on a motor housing end, and a mechanism for drivingly connecting a module shaft end to a motor shaft end. The assembly further includes a mechanism for preventing the module housing f...
01/03/2006
6710271Centrifugal operated switch
A centrifugal operated switch particularly suitable for operating a circuit for starter windings of a motor. A spindle is connected to and rotated by the motor shaft. Swing arms connected to the spindle move upwardly and outwardly in response to rotational speed of ...
03/23/2004
6688438Actuator with a centrifugal brake
An operating mechanism for operating an actuating member is provided with an electric motor, a resetting spring and a centrifugal brake, wherein the actuating member can be operated in a first direction of movement by the electric motor activated by means...
02/10/2004
6610942Switch assembly for food waste disposer
A switch assembly usable in a food waste disposer is disclosed having several improvements over the prior art. The switch assembly positively retains an overload switch, making assembly of the switch into the disposer easier. The switch assembly includes ...
08/26/2003
6479913Electric motor having a no-adjust starting switch
An electric motor having a no-adjust starting switch. An actuator button of a starting switch assembly is slidably positioned in a switch housing mounted to an end frame of the motor. As a rotor shaft and associated centrifugal governor which engages the ...
11/12/2002
6446506Fluid level sensing switch
The present invention provides a fluid level sensing switch for use with a device having a fluid reservoir. The switch is float activated and closes a circuit so as to change an operating parameter in the event that the volume of fluid in the reservoir fa...
09/10/2002
6355997Switch for a variable-speed induction motor
A switch includes a casing having a pair of first conductive connecting pieces, a rotary member having a plurality of second conductive connecting pieces, and a switching electrical circuit having a plurality of conductive traces. The second conductive co...
03/12/2002
6246135Centrifugal switch device for induction motor
A centrifugal switch device for an induction motor includes a microswitch mounted on the casing of the induction motor, a protective cover mounted on the microswitch for encompassing and contacting the push button of the microswitch, a sliding member secu...
06/12/2001
6201325Centrifugal actuator for controlling a switch unit particularly a start winding switch unit for an electric motor
A centrifugal actuator for operating a motor start winding switch includes a base fixed to the shaft as a bearing shoulder and a hub slidably mounted to the base by a groove mating projection and grooves. The hub has a flange which actuates the switch. Th...
03/13/2001
6181037Electric motor centrifugal actuator overspeed guard
An overspeed guard for an electric motor centrifugal actuator closely conforms to the peripheral contour of the component parts of the actuator and prevents the component parts from separating from the centrifugal actuator on overspeed of the actuator....
01/30/2001
5744883Contoured switch lever for centrifugal switch
A switch lever for use with a centrifugal starting switch of an electric motor. The starting switch has at least one switch contact which is moveable, in response to axial movement of a centrifugal actuator, between a start position in which a starting wi...
04/28/1998
5543671Electric motor terminal board with integral switch locking means
A terminal board for a dynamoelectric machine is mounted to an end-shield of the machine. The terminal board has securing means for fixing an electrical switch to the terminal board using a single conventional fastener. A second snap-in arrangement is pro...
08/06/1996
5403982Enclosed electrical contact assembly for dynamoelectric machines
A centrifugal switch assembly for a single phase induction motor connecting a start winding and/or start capacitors in circuit. A centrifugal actuator positions a contact unit on a cantilevered spring arm relative to an aligned fixed contact unit. Each co...
04/04/1995
5377082Dynamoelectric machine, methods of assembling such, terminal board assembly, and method of assembling a switch device with a supporting means therefor
A terminal board assembly for a dynamoelectric machine, adapted for supporting an overload device, comprises a body and an overload device support integral with the body and extending therefrom for cradling the overload device when the overload device is ...
12/27/1994
5293090Centrifugal actuator assembly
A centrifugal actuator for mounting on a rotor shaft, the actuator being capable of movement from a first or start position to a second or run position, is provided having a base portion with a pair of opposed, mirror image actuator levers biased towards ...
03/08/1994
5285035Dust proof electrical switch
A dust proof electric switch is provided for use in a dynamoelectric machine employing a centrifugal acuator having a terminal board with a cup formed therein in which a fixed contact point and terminal are mounted. A pivotable switch arm having a contact...
02/08/1994
5283405Enclosed electrical contact assembly for dynamoelectric machines
A centrifugal switch assembly for a single phase induction motor connects a start winding and/or start capacitors in circuit. A centrifugal actuator positions a contact unit on a cantilevered spring arm relative to an aligned fixed contact unit. Each cont...
02/01/1994
5153471Positioning and limiting structure for an electric motor centrifugal actuator
A centrifugal actuator assembly adapted to be mounted on a rotatable shaft, the assembly including actuating levers responsive to the rotational speed of the shaft, guide means to guide the levers in a predetermined inward and outward path during movement...
10/06/1992
5093592Dynamoelectric machine with a terminal board mounted thereto
A dynamoelectric machine has a housing, a terminal board and a stationary assembly including a winding with a set of leads. The terminal board has a pair of opposite faces with a peripheral portion therebetween and a set of separate recesses in the periph...
03/03/1992
5059841Dynamoelectric machine
A dynamoelectric machine has a stationary assembly with a winding thereon, and a rotatable assembly is supported by the stationary assembly and associated in magnetic coupling relation with the winding. A switch and terminal assembly is mounted to the sta...
10/22/1991
4978819Electric machinery switch assembly
A switch assembly for selectively engaging and disengaging contacts connected to electrical machinery such as the windings for an electric motor including a pair of conductive members having insulated base portions and flexible cantilevered portions exten...
12/18/1990
4958096Governor and motor assembly
A governor and motor assembly of a fractional horsepower electric motor adapted to control the efficient operation of the motor utilizing simple structural components. The governor is responsive to the centrifugal forces of the rotating rotor shaft of the...
09/18/1990
4958051Terminal board assembly
A terminal board for a dynamoelectric machine has a body with a pair of opposite faces. At least one terminal secured to the body includes an electrical connector section extending beyond one of the opposite faces and a deformed end section generally oppo...
09/18/1990
4953285Method of assembling a dynamoelectric machine
A method of assembling a dynamoelectric machine having an outboard switch compartment established at least in part by an end frame, an axially movable switch operating mechanism, and a switch assembly. In this method, the switch assembly is positioned in ...
09/04/1990
4927988Enclosed switch contact assembly
A centrifugal switch assembly for a single phase induction motor connects a start winding in circuit to start the motor. A centrifugal actuator positions a movable contact on the end of a cantilevered spring arm relative to an aligned fixed switch carried...
05/22/1990
4922066Environmentally protected switch for dynamoelectric machines
A switch assembly for use with a centrifugal actuator in the start winding circuit of a dynamoelectric machine (1). The switch has a pair of electrical contacts (29, 33) contained in a pliable, bellows-like enclosure (37) for protection from foreign matte...
05/01/1990
4922062Switch and terminal assembly
A switch and terminal assembly has a casing, and a plurality of terminals are associated with the casing with some of the terminals defining switch terminals extending both interiorly and exteriorly of the casing, respectively. A pair of switch elements a...
05/01/1990
4894639Pressure switch for monitoring tire pressure, particularly of motor vehicle tires
A pressure switch for monitoring a tire pressure of a motor vehicle tire is fastened to a wheel rim and is actuated by the inflating pressure in the tire. The pressure switch comprises a reference pressure chamber which is sealed off by an electrically co...
01/16/1990
4894496Auxiliary winding cut-out switch for sump pump motor
An auxiliary winding cut-out switch for a sump pump motor having main windings and auxiliary windings. Controlled deflection means for positioning a contact carried on a terminal movable arm with respect to a fixed contact comprises a plunger, actuator, r...
01/16/1990
4885440Governor and motor assembly
A governor and motor assembly of a fractional horsepower electric motor adapted to control the efficient operation of the motor utilizing simple structural components. The governor is responsive to the centrifugal forces of the rotating rotor shaft of the...
12/05/1989
4868906Centrifugally activated switch for a synchronous generating system
When operating a synchronous machine as a synchronous generator, a suppression resistor is required across the main generator field. However when operating the synchronous machine as an induction motor, a current is induced in the main generator field whi...
09/19/1989
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