Abstract: A method of continuouly forming edgewise wound cores from a continuous lanced strip of a ferromagnetic material having a pair of opposite faces interposed between a pair of opposite edges at least in part extending lengthwise of the lanced strip. In practicing this method, the lanced strip is continuously drawn through a bending zone in which at least the opposite edges are constrained, and the lanced strip is continuously deformed generally edgewise thereof about an axis of the bending zone so as to continuously from a plurality of helical convolutions. At least as the lanced strip travels beyond the bending zone, the lanced strip is pressed against a rotatable surface to effect the continuous drawing of the lanced strip through the bending zone.A core, a lanced strip, and apparatus are also disclosed.

Abstract: A lanced strip of generally thin ferromagnetic material adapted to be edgewise wound into a core for a dynamoelectric machine. The lanced strip has a continuous yoke section extending generally lengthwise thereof, and a plurality of teeth on the lanced strip have preselected pitch axii and extend generally laterally from the yoke section, repsectively. A plurality of extensions on the lanced strip extend generally laterally from the yoke section on the pitch axii of the teeth and opposite thereto, respectively.

Abstract: A motor assembly for use in combination with an air handling system such as an automotive blower system for supplying cooling or heating air to a passenger compartment of an automobile. The assembly comprises a support member which is adapted to be mounted on the air handling system. Stationary and annular rotatable assemblies are mounted on one side of the support plate and a printed circuit board including a motor control circuit is mounted on the other side thereof. The stationary assembly has a plurality of winding stages adapted to be electrically energized to generate an electromagnetic field. The annular rotatable assembly has a plurality of permanent magnet elements surrounding the stationary assembly and is adapted to engage a squirrel cage fan for moving air in the air handling system.

Abstract: A terminal box assembly for use in a dynamoelectric machine adapted to be energized from an electrical power source and including a plurality of windings and each winding terminating in a corresponding lead wire. The lead wires are connectable to each other and to an electrical power source in at least two different configurations for operating the motor from two different voltages. The terminal box assembly includes a plurality of terminations for connection to each of the lead wires and a terminal block having a plurality of apertures for receiving the terminations. A plug device is provided for coupling with the terminal block in at least two different orientations for interconnecting the lead wires of the motor windings. A base member is releasably coupled to the terminal block and includes a latch integral with the base for releasably coupling the terminal block and base member to the dynamoelectric machine.

Abstract: An apparatus for pumping fluid such as an integral pump/motor is provided. A housing having an inlet and an outlet has a rotatable assembly including an impeller located within and adapted to rotate within the housing to move fluid through the housing from the inlet to the outlet. Secured to the exterior of the housing is a stationary assembly for applying an electromagnetic field through the housing to and around the impeller to rotate the impeller and thereby to cause it to move fluid through the housing.The apparatus is for use in a cooling system, such as a cooling system of an automobile engine, to pump fluid through the cooling system. A temperature sensor is provided for sensing the temperature of the fluid within the cooling system. An electronic control, responsive to the temperature sensor, supplies electrical power to stationary assembly.Also, a method of circulating fluid within a system, such as a cooling system of an automobile engine, is disclosed.

Abstract: In a method of assembling a dynamoelectric machine, tabs on a rain shroud are received in releasable engagement in notches in a rabbet surface on an end frame of the dynamoelectric machine so as to locate the rain shroud in an assembly position. The cover is arranged in overlaying relation with the tabs to retain the rain shroud against displacement from its assembly position, and the cover is releasably secured to the end frame thereby to define a compartment between the cover and the end frame for accommodating dynamoelectric machine components.

Abstract: Electronic control circuit for use with electrical load powering apparatus having a load connection, a high voltage supply connection and a common, and with an electronic switch to switch the high voltage supply connection to the load connection. The electronic switch has an input and is responsive to a voltage difference between the input and the load connection. The load connection is subject to high voltage excursions relative to the common due to the switching. The electronic control circuit includes a transformer having a primary winding and a secondary winding for providing at least one pulse output from the secondary winding, the transformer having an inherent interwinding capacitance between the primary winding and the secondary winding. A circuit connected to the secondary winding couples the pulse output from the secondary winding between the input of the electronic means and the load connection when the pulse output is present.

Abstract: A dynamoelectric machine has a housing with generally axially extending radially spaced apart inner and outer circumferential surfaces with a generally annular external rabbet in said outer circumferential surface. An end frame is arranged in a preselected assembly position on the housing and has a generally annular internal rabbet received generally in mating engagement about the external rabbet when the end frame is in its preselected assembly position.

Abstract: A method of terminating a set of leads integral with a winding on a dynamoelectric machine stator assembly with the winding and the leads formed of magnet wire having a conductor with a dielectric material coating adhered in insulating relation thereto, and a set of dielectric tubes extend about the leads, respectively. To practice this method, the tubes are arranged in preselected positions with the free ends of the leads extending beyond one opposite end portion of the tubes, respectively. Each tube is melted through to sever a distal section from each tube adjacent its one opposite end portion while the insulating integrity of the dielectric material coating on the leads is maintained.

Abstract: A method of assembling a switch device with a means for supporting it. The supporting means includes at least one face having a set of bosses thereon, and each boss has a free end and a ledge intermediate the free end and the at least one face. The switch device has an actuating lever with a pair of generally opposite trunnions thereon, and a set of terminals of the switch device each have a deformed end section. In practicing this method, the opposite trunnions of the actuating lever are seated on the ledges of at least some of the bosses. The terminals are associated in preselected positions therefor on a supporting means, and the deformed end sections of the terminals are disposed in overlaying spaced apart relation with at least the ledges on the at least some bosses thereby to capture the opposite trunnions between the at least some bosses and the terminals, respectively.

Abstract: A terminal block assembly for a leadless motor comprises a terminal block housing, an arrangement for securing the housing in an opening in a motor shell, plural spaced-apart motor leads and terminals molded into the housing, a latching mechanism for providing a positive "lock" with a mating connector assembly, and provisions for preventing the connector assembly from being matingly received by the terminal block assembly in other than a predetermined desired orientation. The latching mechanism comprises an open box-like structure formed on an exterior surface of a horizontal side wall of the terminal block housing. The assembly is provided with a raised projection on an exterior surface of a second horizontal side wall, in substantially opposing relation to the open box-like structure of the latching mechanism, to prevent mating of the connector and terminal block assemblies when the connector assembly is rotated 180.degree. from the predetermined desired orientation.

Abstract: A method of treating a core for a dynamoelectric machine with a hardenable liquid adhesive material. The core includes winding receiving slots, a plurality of layers of a dielectric material associated in overlaying relation in each slot, a plurality of apertures in each layer arranged in non-aligning relation, and a plurality of non-apertured sections in each layer disposed in overlaying relation with the apertures in adjacent layers. In this method, the liquid adhesive material is passed by capillary action through the aperture in one of the layers in the slots and channeled by capillary action past the non-apertured sections in the one layer and another layer interposed between the one layers and the slot. The liquid adhesive material is then flowed through the apertures in the another layers into communication with the slots.A method of assembling a core, a core, a slot liner, and a method of assembling a slot liner are also disclosed.

Abstract: A method of fabricating a salient pole electronically commutated motor with the salient pole electronically commutated motor including a lanced strip of generally thin ferromagnetic material. The lanced strip is formed into a generally annular edgewise wound yoke section for the salient pole electronically commutated motor, and a set of salient poles are established on the edgewise wound yoke section being disposed about preselected pitch axes so as to extend generally outwardly from the edgewise wound yoke section, respectively.

Abstract: A switch and terminal assembly has a casing with a plurality of walls defining a switch means accommodating chamber within the casing. A plurality of terminals are associated with the casing along one of the wall means, and at least some terminals have a pair of electrical connector sections arranged in row formation, respectively. One of the electrical connector sections extends only beyond the one wall, and the other of the electrical connector sections extends beyond both the one wall and another of the walls adjacent the one wall, respectively. A dynamoelectric machine is also disclosed.

Abstract: An electrical switch device has a casing with a viewing aperture therein, and switch actuating means is pivotally movable in the casing between an at-rest position and a switch actuating position. A toggle spring is movable with the switch actuating means for resiliently opposing its pivotal movement from both the at-rest and switch actuating positions. The toggle spring includes visual indicating means conjointly movable therewith for disposition in a viewable position at the viewing aperture in response to the pivotal movement of the switch actuating means from its at-rest position to its switch actuating position.

Abstract: A dynamo-electric machine including a stator core fixed in a casing and formed of stator lamination plates, and a rotor supported in a bore of the stator core and formed of a stack of rotor lamination plates. Each stator lamination plate has a tooth portion extending radially outward from the bore to an intermediate circumference, and yoke portion defined between the intermediate circumference and the outer periphery of the stator lamination plate. Each of the rotor lamination plates has a number of equally circumferentially spaced closed slots, wherein each slot is in the form of a double squirrel cage arrangement. In an embodiment, the teeth of the stator lamination plates are sufficiently wide relatively to the area of stator slot openings so that the ratio of flux density in the tooth portion to flux density in the yoke portion is optimized for a given n-pole operating configuration of the stator winding.

Abstract: A lanced strip of generally thin ferromagnetic material adapted to be edgewise wound into a core for a salient pole dynamoelectric machine. A continuous yoke section of the lanced strip extends generally lengthwise thereof and includes a pair of generally opposite edges, and a set of spaced apart notches in one of the opposite edges with each notch having an arcuate edge therein, respectively. A set of spaced apart teeth are integral with the other of the opposite edges and extend generally laterally from the yoke section, and the teeth includes a set of free end sections each having another arcuate edge defining at least a part thereof and with respective ones of the first named and another arcuate edges having a common centerpoint, respectively.A core for a salient pole dynamoelectric machine is also disclosed.

Abstract: A method of rearranging components of a dynamoelectric machine. In this method, a pair of opposite end supports which support a rotatable assembly of the dynamoelectric machine are released from securement to a frame thereof, and the rotatable assembly is then disassociated from the frame and reoriented in end-to-end relation with respect to the frame. In its reoriented position, the rotatable assembly is reassociated with the frame, and the end supports are again releasably secured to the frame in supporting relation with the rotatable assembly wherein the rotatable assembly is reoriented with respect to at least another component of the dynamoelectric machine secured to a side panel of the frame exteriorly thereof.

Abstract: A drive for a laundry machine has an electronically commutated motor and a driving device arranged in mounting relation, and the driving means has means adapted for conjoint rotation with a rotatable assembly of the electronically commutated motor. Means associated with at least one of the rotatable assembly and the driving means is selectively operable for effecting a driven interconnection of the conjoint rotation emans with the rotatable assembly.