Abstract: Low permeation fuel hose is provided comprising an outer cover layer prepared from a composition comprising a polyvinyl chloride (PVC), a thermoplastic copolyester elastomer and, optionally, a thermoplastic polyurethane (TPU), wherein the hose exhibits improved low and high temperature performance compared to conventional fuel hoses having an outer layer consisting of industrial grade PVC.

Abstract: Disconnect operating handles for circuit breakers are configured with a rotary handle attached to an inwardly oriented shaft that connects to a gear assembly that translates rotational input to linear input. The disconnect operating handles include pivoting lockout levers that can automatically “pop” out to expose the lockout space for a padlock when a user touches the lever in an appropriate location.

Abstract: An assembly for controlling air flow to an engine includes a first supercharger (20) and a second supercharger (22). The superchargers are arranged in parallel with one another and in series with the throttle (70) in the air flow to the engine cylinders, and are configured to be operatively connectable with the engine upstream in the air flow to the cylinders. The assembly includes a load device (38) selectively connectable to the first supercharger (20) and selectively alternately operable to provide energy to or receive energy from the first supercharger. The superchargers are configured to be separately selectively operatively connectable with the throttle and the crankshaft to enable different modes of operation.

Abstract: Circuit breakers with a rotary handle attached to an inwardly oriented shaft that connects to a gear assembly that translates rotational input to linear input also include a trip assist spring in communication with the rack gear so that, in operation, the trip assist spring applies a force to the operator slider and forces the handle to a consistent trip position.

Abstract: A force sensor can include a magnetic field generator, a magnetic flux return, and a magneto-elastic layer. The magnetic flux return can extend along a first portion of at least one pathway of magnetic flux generated by the magnetic field generator. The magneto-elastic layer can be operable to be in contact with a surface subjected to force and thereby strained. The magneto-elastic layer can extend along a second portion of the at least one pathway of magnetic flux distinct from the first portion.

Abstract: An apparatus includes an electrical assembly (e.g., a contactor) configured to be inserted into an enclosure. The electrical assembly includes at least one first contact configured to mate with at least one second contact disposed in an enclosure when the contactor assembly is inserted in the enclosure. The apparatus further includes an ejector mechanism including at least one pivoting member attached to the electrical assembly and configured to pivot about a point of attachment to the electrical assembly to apply a force to a surface of the enclosure and thereby cause movement of the electrical assembly within the enclosure. The movement of the electrical assembly caused by the ejector mechanism may disengage the at least one first contact from the at least one second contact. The electrical assembly may include a wheeled undercarriage and the at least one pivoting member may be attached to the undercarriage.

Abstract: A mountable wall receptacle including one or more current sensors and power-line communications circuitry is described herein. In one exemplary, non-limiting embodiment, the mountable wall receptacle includes power-line communications circuitry, one or more current sensors, a power source, and one or more internal contacts. The wall receptacle is capable of monitoring and recording, using the current sensor(s), an amount of current or energy provided to an accessory device plugged into one or more outlets in communication with the one or more internal contacts. A user device is able to obtain the recorded amount of current or energy from various access points within a residence using one or more power lines located at the residence. The power lines enable the user device to communicate with the wall receptacle using the power-line communications circuitry therein.

Abstract: A system for providing backup power to a facility includes a generator and a controller. The controller is configured to operate the generator until a condition is met, determine a load history that occurs while operating the generator until the condition is met, determine a cool-down time based on the determined load history, and run the generator to the point when the condition is met and in an unloaded condition for the cool-down time.

Abstract: A digital densitometer for a fluid gauging system includes a frequency detection device configured to be disposed within a fluid tank, wherein a frequency detected by the frequency detection device is indicative of a density of a fluid within the fluid tank, frequency detection circuitry configured to obtain the frequency from the frequency detection device and output the frequency in a digital form, and an interface for digital communication with an electronic controller, the digital communication comprising transmission of the digital form of the frequency for the electronic controller.

Abstract: A contact assembly is for an electrical switching apparatus having a housing. The contact assembly includes a movable arm having a movable contact, and an extension apparatus structured to be disposed on the housing. The extension apparatus includes a U-shaped link member having a first leg, a second leg, and a middle portion connecting the first leg to the second leg. The first leg at least partially extends into the movable arm. The second leg is structured to be disposed on the housing.

Abstract: A layer for directing a hydraulic fluid includes a first fluoropolymer, a first crosslinker, and an anti-static additive. The first fluoropolymer is present in an amount greater than 60 parts by weight, the first crosslinker is present in an amount of from about 1 to about 10 parts by weight, and the anti-static additive is present in an amount of from about 0.4 to about 4 parts by weight, each based on 100 parts by weight of the layer. The layer may be included in a layered tube. In addition to the layer, the layered tube also includes an outer layer. The outer layer includes a second fluoropolymer, which is the same as or different than the first fluoropolymer. The second fluoropolymer is present in an amount greater than 60 parts by weight based on 100 parts by weight of the outer layer.

Abstract: A switchboard is for a power distribution system having a number of electrical lines. The switchboard includes: an enclosure assembly having a chassis; a switching assembly including a plurality of circuit breakers each coupled to the chassis, each of the circuit breakers having a number of terminal lugs structured to be electrically connected to a corresponding one of the electrical lines; and an isolating assembly including a plurality of isolating apparatus, at least one isolating apparatus being coupled to one of the plurality of circuit breakers. The isolating apparatus separates the number of terminal lugs of the one circuit breaker from the number of terminal lugs of each of the other circuit breakers.

Abstract: A ZSI testing apparatus includes a fault generation circuit, a plurality of cable assemblies coupled to the fault generation circuit, wherein the cable assemblies are structured to be selectively coupled to selected circuit interrupters, a human machine interface, and a controller coupled. The controller is configured to: (i) selectively cause a fault current to be provided to a number of the cable assemblies, (ii) receive an input from each circuit interrupter that is coupled to one of the cable assemblies, each input being indicative of a trip signal output of the circuit interrupter, (iii) determine based on the received inputs (a) that an error has occurred with respect to operation of the circuit interrupters and (b) a recommendation for fixing the error, and (iv) cause an output indicative of the error and the recommendation to be provided on the human machine interface.

Abstract: A circuit protection apparatus includes separable contacts, an operating mechanism, an electronic trip unit storing a plurality of trip parameter combinations, wherein each of the trip parameter combinations specifies a certain value for each of a plurality of individual trip parameters, and a multi-position selector moveable among a plurality of predetermined positions and configured to enable selection of one of the predetermined positions. Each of the positions corresponds to a respective one of the trip parameter combinations, wherein the electronic trip unit is structured to, responsive to a chosen one of the plurality of predetermined positions being selected by the multi-position selector, cause the one of the trip parameter combinations corresponding to the chosen one of the plurality of predetermined positions to be used by the electronic trip unit to determine whether to cause the operating mechanism to trip open the separable contacts.

Abstract: The disclosure describes a flexible tubular grip for a golf club, particularly a putter, having the tubular portion formed of relatively soft elastomer with a closure or end cap molded therewith or pre-cured and attached over the end of the tubular portion. The end cap has a raised ridge extending about a portion of the end cap periphery and may have a raised discrete central portion, both of which absorb impact when the club is dropped into a golf bag.

Abstract: A positive displacement pump assembly includes a rotor housing defining a rotor cavity, and an end plate configured to at least partially close one end of the rotor cavity. Rotors are supported on and fixed to rotor shafts and extend through the rotor cavity. A first pair of bearings fixing the rotor shafts to the end plate. A second pair of bearings fixes the rotor shafts to the rotor housing, preventing relative axial movement between the rotor shafts and the rotor housing. The end plate is axially movable with the rotor shafts when the rotor shafts vary in axial length due to thermal fluctuations so that changes in an axial clearance at end faces of the rotors are reduced.

Abstract: A current sensing assembly includes a conductor having a first side, a second side opposite the first side, a third side, and a fourth side opposite the third side. The first side has a first notch formed therein and the second side has a second notch formed therein opposite the first notch. The current sensing assembly also includes a sensor assembly including a first magnetic sensor disposed in the first notch or proximate to the third side of the conductor between the first and second notches, and a second magnetic sensor disposed in the second notch or proximate to the fourth side of the conductor between the first and second notches.