Abstract: A two-speed single phase motor of the capacitor-start type is disclosed wherein the motor is switched from the start condition to the run condition by means of a single contact centrifugally actuated switch. The motor comprises high speed and low speed main windings and high speed and low speed start windings wound on the stator core and a double throw selector switch for connecting the high speed main and start windings to the terminal or the low speed main and start windings to the terminals when the motor is operated in the high speed and low speed configurations, respectively. A single pole single throw centrifugally actuated switch connected to the rotor has a single contact pair connected in series with the start capacitor and one of the terminals, and the switch contacts open when the rotor exceeds a predetermined rotational speed to disconnect the start capacitor from the circuit. The same centrifugal switch contact pair is used in both the high speed and low speed configurations.

Abstract: A control device for an electrical circuit has switch means adapted for movement between circuit making and breaking positions including means for stiffening the switch means having a force receiving end spaced therefrom. Fulcrum means is disposed for pivoting engagement with the switch means. Means is operable for applying a control force onto the force receiving end of the stiffening means so as to yield the switch means in its circuit making position into pivotal engagement with the fulcrum means and thereafter pivotally move a part of the switch means about the fulcrum means toward the circuit breaking position.A method of operating a control device is also disclosed.

Abstract: A two-speed single phase motor of the capacitor-start type is disclosed wherein the motor is switched from the start condition to the run condition by means of a single contact centrifugally actuated switch. The motor comprises high speed and low speed main windings and a start winding employed in both the high speed and low speed configurations. A single pole single throw centrifugally actuated switch connected to the rotor has a single contact pair which opens when the motor exceeds a predetermined speed, and the same contact pair is used in both the high speed and low speed configurations. A relay comprising a coil in series with the centrifugal switch contacts has a pair of normally open contacts in series with the start capacitor so that when the centrifugal switch contacts open and interrupt the flow of current through the relay coil, the relay contacts will open thereby disconnecting the start capacitor from the circuit.

Abstract: A releasable combination of a separable starter device and a separable protector device adapted for connection in circuit relation with a dynamoelectric machine. A PTCR (positive temperature coefficient resistor) in the starter device and a switch means in the protector device are adapted for association in thermal coupling relation when the starter device and the protector device are in the releasable combination thereof. One of the starter device and the protector device includes yieldable means extending generally circumferentially about at least a major circumferential portion of a part of the other of the starter device and the protector device for releasable engagement therewith so as to releasably maintain the starter device and the protector device against separation from the releasable combination thereof.A method of assembling a releasable combination of a starter device and a protector device is also disclosed.

Abstract: A control device has a snap-action member so as to effect the operation of a switch device from one conductive mode of a conductive mode pair to the other thereof, an actuator between the snap-action member and the switch device, and spring means engaged with the actuator for biasing it into engagement with the snap-action member.Methods of assembly are also disclosed.

Abstract: A method of assembling an electrical device including current relay means having housing means with at least one female terminal disposed therein and at least one switch means terminal extending exteriorly of the housing means. In this method, a solid state device is disposed at least adjacent the housing means, and the solid state device is connected in circuit relation between the at least one female terminal and the at least one switch means terminal.

Abstract: A method of manufacturing a rotatable assembly adapted for use in a prime mover. The rotatable assembly includes a shaft having a peripheral surface along at least a part thereof and at least another component having an opening therethrough. In this method, a plurality of generally annular axially spaced apart ridges is deformed from the shaft, and the ridges are in part extended beyond the peripheral surface of the shaft. The opening of the other component is arranged generally circumferentially about at least some of the ridges in displacement preventing engagement therewith.A method of manufacturing a prime mover is also disclosed.

Abstract: A lamination adapted to be used in a dynamoelectric machine. The lamination has a body of generally thin ferromagnetic material, and a plurality of pole sections are spaced apart from each other generally about the body. A plurality of means on the body are interposed between adjacent ones of the pole sections for bridging therebetween, respectively, and a plurality of other pole sections on the body are interposed in spaced relation between the adjacent ones of the first named pole sections, respectively. A plurality of pairs of other means on the body are interposed between the adjacent ones of the first named pole sections and the other pole sections for bridging therebetween, respectively.An electronically commutated motor, a stationary assembly therefor, and a rotatable assembly therefor are also disclosed.

Abstract: A combination starter-protector device adapted for removable mounting in electrical contacting engagement onto at least a pair of male terminals of a dielectric plug device secured to an apparatus housing. The combination starter-protector device has a casing, a PTCR disposed therein, and a switch in the casing for association in thermal coupling relation with the PTCR. A spring associated with the casing is adapted for releasable securing engagement with the apparatus housing so as to maintain the combination starter-protector device against displacement from the electrical contacting engagement thereof with the at least male terminal pair of the dielectric plug device when the combination starter-protector device is removably mounted thereto.

Abstract: A method of making a leakage flux conducting device and securing it to a non-ferrous end plate of a prime mover. In this method, the device is formed with a mass great enough so that it remains unsaturated with respect to the leakage flux carried thereby, and the device is provided with a plurality of means arranged for deformation into engagement with associated parts of the end plate. The device is moved into an assembly position on the end plate, and the deformation means are deformed into engagement with the associated parts of the end plate thereby to prevent displacement of the device from its assembly position on the end plate.

Abstract: A dynamoelectric machine having a low A ratio during its starting mode and a high A ratio during its running mode. During the starting mode of the dynamoelectric machine, an auxiliary winding serially connected in bucking relation with a phase winding is excited therewith across a main winding. Generally as the dynamoelectric machine is energized to a predetermined speed indicative of the occurrence of its running mode, the phase winding and the bucking auxiliary winding are electrically disassociated, and another auxiliary winding serially connected and arranged in additive relation with the phase winding is excited therewith across the main winding.A method of operating a dynamoelectric machine and a circuit are also disclosed.

Abstract: A method of assembling a switch and terminal assembly and mounting it to a dynamoelectric machine with the switch and terminal assembly being operable generally for controlling at least winding circuitry of the dynamoelectric machine. In this method, the switch and terminal assembly is provided with a device for connecting the dynamoelectric machine to ground. The switch and terminal assembly is secured to an electrical conductive component of the dynamoelectric machine by an electrical conductive mounting member, and such member is coupled in ground circuit relation with the device.A method of assembling a switch and terminal assembly is also disclosed.

Abstract: A method of manufacturing a cradle adapted for use in a thermostat to support a plurality of switch means respectively adapted for operation at predetermined trip points. This method includes: fabricating from generally planar and thin material a plurality of cradle legs respectively having a pair of opposite end portions with at least one opening in one of the opposite end portions of at least one of the legs and at least one integral extension on at least another one of the opposite end portions of at least another one of the legs; and pivotally interconnecting the other of the opposite end portions of the legs with respect to each other and inserting the at least one integral extension means through the at least one opening.

Abstract: A timer device has a pair of switches, a pair of cam means adapted for rotation so as to respectively actuate the switches in a first preselected sequence, and means for driving the cam means to effect the respective rotation thereof. Means for driven association with the driving means so as to be rotatable with the cam means includes means rotatably adjustable from one operating position of at least a pair of operating positions toward another thereof for interrupting the actuation of one of the switches by the one cam means in the first preselected sequence with the actuation of the other of the switches by the other of the cam means and for permitting the actuation of the one switch by the one cam means in another preselected sequence with the actuation of the other switch by the other cam means.An assembly for use in a timer device and a method of operating a timer device are also disclosed.

Abstract: A method of assembling a switch and terminal assembly. In this method, a plurality of terminals are disposed with electrical connection sections thereof exposed beyond a casing of the assembly and aligned generally in row formation. A ground connection section of a grounding device is disposed in the row formation with the electrical connection sections and a mounting section of the grounding device is associated in displacement preventing engagement with the casing.A prime mover is also disclosed.

Abstract: A device for reducing the cross-sectional area of a capillary tube to effect its closure in a preselected region thereof. The device has a pair of means movable with respect to each other for crimping and severing the tube. First means is provided for moving the crimping and severing means pair along first and second generally orthogonal paths so as to effect alignment of the crimping and severing means pair with the capillary tube disposed therebetween, and second means is provided for moving the crimping and severing means pair along third and forth generally orthogonal paths to effect the reduction of the cross-sectional area of the tube and the severence thereof, respectively.

Abstract: A method is provided for assembling a device in a preselected assembly position onto a rotatable shaft of a prime mover with respect to an opening in an end plate of the prime mover through which the shaft extends so as to preclude contamination of a lubricant in a lubrication system of the prime mover communicated with the opening in the event the prime mover is operated in an environment in which a fluid imcompatible with the lubricant may be presented to at least one of the end plate and an exterior end section of the shaft extending beyond the opening.

Abstract: A snap-action member of a metallic material having a predetermined grain orientation and having at least one projection for locating the snap-action member in a preselected assembly position on seating means therefor in a control device thereby to align the predetermined grain orientation with respect to the seating means.