Abstract: A device for controlling the supply of power to an electrical load. The device has means for timing through selected cyclical time periods and means for actuating the timing means upon the occurrence of a certain condition. Means is provided for establishing another certain condition generally during a part of each cyclical time period, and means is also provided for inhibiting the supply of power to the load upon the occurrence of both the first named and other certain conditions.Other devices, systems and methods for controlling or proportioning the supply of power to an electrical load are also disclosed along with a method of statistically staggering power consumption by a plurality of loads and a power distribution network for supplying power to a plurality of loads.

Abstract: Apparatus for stripping from a dynamoelectric machine stator a plurality of windings thereof with one of a pair of opposite generally annular groupings of end turns severed therefrom. The apparatus has means movable between a mounting position and a displaced position for generally loosely seating the stator and supporting it in the mounting and displaced positions and also means for gripping engagement with the other of the end turns when the stator is in the mounting position to generally maintain the windings against displacement from the mounting position. The seating and supporting means is movable from the mounting position in response to a force applied thereto to conjointly move the stator relative to the windings to the displaced position thereby to effect the stripping of the windings from the stator when the gripping means is engaged with the other end turns.A method for stripping windings from a stator for dynamoelectric machine is also disclosed.

Abstract: An anticipator for controlling the cycle rate and the drop of a thermostat. The anticipator has means for transferring heat supplied thereto, and means enclosed within the heat transferring means, in preselected space relation therewith for supplying the heat.There is also disclosed a thermostat, a method of making means operable generally for maintaining a desired cycle rate with acceptable droop in a thermostat, a method of making a thermostat, a method of operating a thermostat, and a method of operating an anticipator for a thermostat.

Abstract: An electrical switch is provided with a casing having a plurality of means selectively operable for respectively completing a circuit through the casing. A pair of means are relatively movable generally linearly with respect to each other in the casing for controlling the operation of the circuit completing means, and means is rotatably mounted in the casing for driving the controlling means generally linearly relative to each other to effect the selective operation of the circuit completing means.

Abstract: A circuit for controlling the application of power from a source thereof to a load. In this controlling circuit, a phase control circuit is provided for supplying current from the source to the load for varying voltage applied to the control node to maintain the effective voltage near a preferred value despite variations in the voltage of the source. An initializing circuit is also provided for preventing the application of excessive voltage to the load upon the initial energization of the controlling circuit.

Abstract: A toggle device has a fixed support with a pair of fixed abutments thereon, and a toggle arm pivotally mounted in the device is adapted for pivotal movement in response to a variable motive force between the abutments into motion limiting engagement therewith, respectively. A toggle spring engaged with the toggle arm is adapted to be compressed for transmitting a force applied thereto onto the toggle arm generally in opposition to the motive force. Means is mounted to the support and engaged with the toggle spring so as to compress it for establishing the applied force. Means is mounted to the support and engaged with the establishing means for positioning it and the toggle spring so as to angularly direct the applied force through the toggle spring onto the toggle arm.An electric switch is also disclosed.

Abstract: In a lubrication system for an apparatus having a bearing assembly in a lubricant cavity therefor, there is provided means in the lubricant cavity for storing a liquid libricant and for releasing it to effect a supply thereof to the bearing assembly. The storing and releasing means is generally constituted by a mixture of the liquid lubricant, a particulate mass of synthetic fibers, and a particulate mass of discrete, non-fibrous, multi-digited, resilient-type foam particles and wherein the foam particles of the particulate mass thereof are generally saturated with the liquid lubricant.

Abstract: In a lubrication system for an apparatus having a bearing assembly in a lubricant cavity therefor, there is provided means in the lubricant cavity for storing a liquid lubricant and for releasing it to effect a supply thereof to the bearing assembly, the storing and releasing means being generally constituted by a particulate mass of discrete, non-fibrous, multi-digited, resilient-type foam particles generally saturated with the liquid lubricant.

Abstract: In a refrigeration system having at least a condensor with a plurality of coils for passage therethrough of a refrigerant of the system and means for directing air flow in a selected path over the condensor, there is provided means for attaining a weighted average of the temperatures of at least some of the coils and the air flow. The attaining means includes means disposed across at least some of the coils and generally in the path of the air flow for heat transfer therewith, respectively.A method of attaining a weighted average temperature and a method of operating a refrigeration system are also disclosed.

Abstract: An electrical control device has an electromagnet, and means is adapted for attraction from a generally at-rest position through an air gap into magnetic holding engagement with the electromagnet upon its energization. In combination with the device, there is provided means for adjusting the attraction means toward a selected at-rest position thereof and also means for mounting the adjusting means so that it is rotatable to drive the attraction means toward the selected at-rest position and conjointly linearly movable in a direction generally away from its driving engagement with the attraction means. The adjusting means is conjointly rotatably and linearly movable in response to an applied adjusting force thereon to drive the attraction means toward the selected at-rest position with respect to the electromagnet to adjustably alter the air gap therebetween.

Abstract: Apparatus for assembling a pair of opposite end frames of a dynamoelectric machine to a structural component thereof disposed within means respectively in the end frames for receiving the structural component. The apparatus has means for moving at least one of the structural component and the end frames to an assembly position with the structural component disposed in the receiving means of the end frames and for supporting the structural component and the end frames in the assembly position. Means is utilized for providing a hardenable material in the receiving means adapted to be flowed therein so as to form a rigid tie between the end frames and the structural component upon the hardening of the hardenable material in the receiving means, respectively, with the structural components and the end frames being supported in the assembly position thereof by the moving and supporting means.

Abstract: A magnet wire enamel composition for application to magnet wire in a wire tower comprises an aqueous solution of:A. a water soluble polyester resin derived as the reaction product of:18 to 47 mole percent neopentylglycol,8 to 38 mole percent trimethylolpropane, or trimethylolethane or mixtures thereof,19 to 38 mole percent isophthalic acid,0 to 14 mole percent adipic acid, and7 to 14 mole percent trimellitic anhydride; andB. a water soluble orthoamic acid diamine oligomer derived as the reaction product of:m moles methylene dianiline, and(m-1) moles 4,4'-(2-acetoxy-1,3-glyceryl)-bis-anhydrotrimellitate, where m has a value of from 2 to about 7.The polyester resin has an acid value of from about 45 to about 100 with a preferred range of from 50 to 70; and a hydroxyl value of from about 150 to 300, with a preferred range of 250 to 300. The polyester resin and orthoamic acid diamine oligomer are in proportions of from about 1 to about 20 to 1, and preferably about 9 to 1.

Abstract: An aqueous coating composition containing in admixture a water soluble polyester, a water soluble orthoamic acid diamine and minor amounts of other water soluble polymeric coating materials. The water soluble orthoamic acid diamine is prepared by reacting in a suitable solvent for at least one reactant, an aromatic diamine and an aromatic dianhydride with the reactants in the molar ratio of m/(m-1) respectively, where m has a value between 2 and about 7. The diamine is dissolved in a solvent and the dianhydride is slowly added to the solution to form the orthoamic acid diamine. The reaction is carried out at a temperature below that at which imidization occurs. The reaction product may then be made water soluble by the addition of a volatile base such as ammonia or a volatile amine. Water solutions of polyester resins and the orthoamic acid diamine are utilized to produce coatings on substrates such as magnet wire.

Abstract: A coating medium for application to a substrate to form a coating which is curable to a highly cross-linked polymeric state. A coating medium is prepared by reacting, in a suitable solvent for at least one reactant, an aromatic diamine and an aromatic dianhydride, with the reactants in the molar ratio of two-to-one respectively. The diamine is dissolved in a solvent, and the dianhydride is slowly added to the solution to form a diamide-diacid-diamine monomer. The reaction is carried out at a temperature below that at which imidization occurs. The reaction product may be made water soluble by the addition of a volatile base. A coating of the medium is applied to a substrate as a thin film and the film coating is cured at a temperature sufficient to form a highly cross-linked polymeric coating on the substrate.

Abstract: Apparatus is provided for shaping a generally elongate strip of lubricant wicking material and placing it into a component for a dynamoelectric machine. In this apparatus, means is provided for receiving the strip when it is introduced thereinto, and means associated with the receiving means is operable generally for moving the strip therefrom and converting the shape of the strip into a predetermined configuration. Means is provided for predeterminately locating the dynamoelectric machine component on the apparatus with respect to the moving and converting means, and means is operable for displacing the strip generally in its predetermined configuration from the moving and converting means into place within the dynamoelectric machine component.

Abstract: A method of converting non-harmonic acceleration of linear reciprocal motion into generally sinusoidal acceleration. In this method, non-harmonic acceleration of the linear reciprocal motion of a driving means is transformed into complementary rotary motion, and the complementary rotary motion is translated into generally sinusoidal accelerations by conjointly moving an articulated means and drivingly interconnecting it with a linear reciprocating driven means.Apparatus for converting non-harmonic acceleration for linear reciprocal motion into generally sinusoidal acceleration is also disclosed.

Abstract: Apparatus for assembling a generally annular member in gripping engagement and generally coaxially about a selected position on a shaft. The apparatus has a pair of means conjointly and relatively movable axially with respect to the shaft and operable generally for guiding the member generally coaxially onto an end portion of the shaft and for driving the member therealong to its selected position. Means is movable in one of the guiding and driving means and mounted generally in universal movement relation to the other of the guiding and driving means for seating the member and for accommodating coaxial misalignment of the member in the event thereof upon its engagement with the shaft, and means is provided for resiliently resisting the universal movement of the seating and accommodating means to compensate for the coaxial misalignment of the member.

Abstract: A condition responsive electrical switch is provided with a housing, and means is movable in the housing between opposite positions for controlling the flow of power through the switch. Means is pivotally movable in the housing for effecting actuation of the controlling means between its opposite positions, and means is operable generally in response to a certain condition for driving the actuation means to pivot it and conjointly move the controlling means toward one of its opposite positions. Means is selectively operable for biasing the actuation means against the driving means to also pivot the actuation means and effect conjoint movement of the controlling means toward the other of its opposite positions.A method of operating a condition responsive electrical switch and a control system are also disclosed.

Abstract: A stator core structure, and method of making same, for a dynamoelectric machine formed of a first plurality of generally U-shaped segments each having a bight portion and leg portions. Each of the first segments is formed of a plurality of relatively thin laminations of flat strip ferro-magnetic material, the bight portion of each of the first segments having an opening formed therethrough intermediate its leg portions. The first segments are arranged with their bight portions lying generally on a first circle and with their leg portions extending radially inwardly, the leg portions of adjacent first segments being in adjacent, parallel relationship thereby mutually forming first spaced polar projections. At least a second plurality of generally U-shaped segments is provided equal in number to the first segments and each having a bight portion and leg portions, each of the second segments also being formed of a plurality of laminations of relatively thin flat strip ferro-magnetic material.

Abstract: A thermal actuator has a pair of means for containing a vaporizable liquid which communicate with each other, and means within one of the containing means effects only the transfer therefrom of vapor toward the other of the containing means upon the vaporization of at least a portion of the liquid in the one containing means under preselected conditions.Another thermal actuator has a pair of means for containing a vaporizable liquid which communicate with each other. Means within one of the containing means permits displacement of only a portion of the liquid in its liquid state therefrom to the other of the containing means and effects transfer of at least a portion of vapor vaporized from the remaining liquid in the one containing means under other preselected conditions toward the other containing means.Methods of controlling the thermal actuators and actuating systems including the thermal actuators are also disclosed.