Abstract: The monocylindrical hybrid powertrain is provided having a continuously variable volume hybrid engine, a pump, and a hydrostatic motor. A direct energy transmission, a variable displacement volume engine, a pump, and a hydrostatic motor and energy recuperation increases the specific power, decreases the weight, and installation space and enables the vehicle to achieve a fuel economy of 80 miles per gallon for the vehicle in city conditions.

Abstract: A combination integrates a power take-off unit, a gear box and air compressor into a single component that is mounted to and suspended from the side mount PTO provision of a vehicle transmission. The combination eliminates the need for a separate drive line and provides a reduced footprint for underdeck applications. The combination also reduces the installation difficulties by reducing fluid lines and consolidating component location.

Abstract: A radial piston pump with a roller tappet in which the service life of the tappet is increased by delivering fuel to the contact faces between the tappet and the roller by way of a hydraulic connection between the tappet chamber and the engine chamber.

Abstract: In one aspect of the present invention, a compressor system includes a compressor shaft for generating compressed air, a clutch that, when engaged, transfers power from a vehicle engine to drive the compressor shaft and that, when disengaged, does not transfers power from the vehicle engine to drive the compressor shaft. An electric motor that, when activated, drives the compressor shaft. A control module that sets the compressor into one of at least three modes of operation as a function of respective statuses of various vehicle components. The compressor shaft is driven by both the clutch and the electric motor during at least one of the modes.

Abstract: To provide a fuel injection system that can efficiently supply high pressure fuel to fuel injectors of an internal combustion engine, whose design and manufacture are made easy by simplifying its mechanical configuration, and which has excellent maintainability during repair and detachment.

Abstract: A four stroke diesel engine combined with a supercharger is operable to supply varying amounts of air to the engine responsive to the load on the engine. The supercharger has a pair of rotors driven by the engine operable to move air to the engine. Gates associated with the rotors control the amount of air and pressure of the air moved by the rotors to the diesel engine.

Abstract: The invention relates to a high pressure fuel pump for a fuel injection system of an internal combustion engine, having a pump housing in which is formed a working space, into which fuel can be supplied from a low pressure region of the radial piston pump, the working space being delimited by a pump piston which can be driven, in order to pressurize the fuel, by an external drive, in particular by a camshaft of an internal combustion engine, wherein in order to meter the fuel quantity supplied to the working space, a throttle device having a variable throttle action is arranged on or in the pump housing.

Abstract: An automatic transmission includes a starting apparatus having a housing that rotates based on torque of a driving source, and a clutch mechanism portion positioned in the housing; an oil pump that is positioned on a side opposite to the driving source with respect to the starting apparatus in a rotational axis direction of the housing, and is driven by transmission of rotation of the housing; an oil pump housing in which the oil pump is accommodated; and a speed change mechanism that is positioned on a side opposite to the starting apparatus with respect to the oil pump housing in the rotational axis direction, and has an input shaft, which extends through the oil pump and the oil pump housing and is connected to the clutch mechanism portion.

Abstract: A power transfer system for a vehicle that comprises a an internal combustion engine, one or more drive wheels, and power transfer apparatus transfers power from the prime mover to the wheels for propelling the vehicle. The system further comprises an auxiliary hydraulic pump that has a drive shaft that coupled to a power take-off unit driven by engine, and to an auxiliary hydraulic motor powered by hydraulic fluid supplied from a hydraulic energy storage device such as an accumulator. As a result, the auxiliary hydraulic pump can be powered by hydraulic fluid from the accumulator when the prime mover is not operating, or by the prime mover when operating. A tandem arrangement of one way clutches can be employed to avoid the need to disconnect the auxiliary hydraulic pump from the prime mover during operation of the auxiliary hydraulic motor, and vice versa.

Abstract: A work vehicle is provided with an engine, a traveling device driven by driving force from the engine to cause the work vehicle to travel, a first hydraulic pump driven by the driving force from the engine to discharge hydraulic oil, and a cooling device having a cooling fan driven by the hydraulic oil supplied by the first hydraulic pump to cool the engine, and a control unit. The control unit performs a normal cooling control in which an upper limit fan speed is determined based on an engine speed, and a cooling suppression control in which the upper limit fan speed determined based on the engine speed is suppressed to be less than the upper limit fan speed during the normal cooling control when a predetermined operation required to increase the engine speed is performed.

Abstract: The invention relates to a high-pressure pump, especially for delivering fuel for a common rail fuel injection system. The pump includes at least one cam drive having a feeler element which can be set moving in direction of a stroke axis by a cam geometry introduced into the camshaft, the stroke movement being transmittable to a plunger unit. The plunger unit and the feeler element are impinged upon with a force by a compression spring element in the direction of the cam geometry and the plunger unit has at least one contact surface which adjoins the compression spring element. The at least one contact surface and/or the surface of the compression spring element adjoining the same has a friction-reduced surface coating to bring about a torsion decoupling of the compression spring element.

Abstract: A fuel pump assembly for a fuel injection system comprises a drive shaft, at least two pump heads each of which is axially displaced along the drive shaft, each pump head having a respective plunger for pressurising fuel within a respective pump chamber, and at least two cams provided on the drive shaft, each of which is associated with a respective one of the pump heads Adjacent pump heads are offset angularly from one another by an amount sufficient to allow a region of overlap, in an axial direction along the drive shaft, between said adjacent pump heads.

Abstract: A mobile work platform includes an operator platform (6), a base (2) and a lift mechanism (4) for lifting the operator platform relative to the base. A hydraulic drive system for the mobile work platform includes an internal combustion engine (14), an electric motor (24) and a hydraulic pump (26). The internal combustion engine (14) and the electric motor (24) are constructed and arranged so as to be capable of driving the hydraulic pump (26) either separately or together.

Abstract: There is provided a direct crankshaft of an air compressor for producing compressed air in which a crankshaft is implemented by two crank plates integrally overlapped with each other so that compression cylinders can be arranged in the radial direction to exhibit an excellent air cooling performance, top dead centers and bottom dead centers of the compression cylinders are symmetrically arranged so that the cancellation between pressurizing and vacuuming phenomena and the running of a motor can be smoothly performed, and the motor is integrated with a compression pump so that various driving components such as belts, pulleys, covers, and the like are eliminated and manufacturing costs are remarkably reduced. The direct crankshaft includes crank plates integrated with each other to form an overlapping unit. The overlapping unit has a shaft coupling hole through which a motor shaft penetrates such that the direct crankshaft is directly coupled with a motor.

Abstract: A high-pressure fuel pump includes a tappet assembly having a tappet for receiving a roller, and a fuel pump adaptor, the high-pressure fuel pump, wherein a reciprocal motion of the tappet assembly is guided by the fuel pump adaptor and a downward motion thereof is limited by the fuel pump adaptor, is provided.

Abstract: The invention relates to a tappet assembly for a high-pressure pump, especially for the prose of fuel supply, and to a high-pressure pump including such a tappet assembly. The tappet assembly has a hollow cylindrical tappet base into which a roller support is inserted in the direction of the longitudinal axis of the tappet base. A roller is rotatably received in the roller support. The roller support is arranged at a right angle to the rotational axis of the roller with little or no play in the tappet base and in the direction of the rotational axis of the roller with larger play than at a right angle to the rotational axis of the roller in the tappet base.

Abstract: A fuel supply pump includes a housing, a shaft in a case, a cam in the case formed eccentrically with respect to the shaft to rotate with the shaft, a tappet on an outer circumferential side of the cam movable in a vertical direction, and a plunger reciprocating with the tappet to pressurize fuel in a chamber. The tappet includes a roller and a supporting member rotatably supporting the roller in its thrust direction. The roller slidingly contacts outer circumference of the cam. The member includes an end face supporting the plunger, a surface at its end on an opposite side from the face and slidingly contacting outer circumference of the roller, and an inner wall supporting the roller in the thrust direction. The roller includes a middle section slidingly contacting the surface along its longitudinal direction, and a contact part at both ends of the section contacting the wall.

Abstract: A drive unit that includes a solenoid device that includes: a solenoid section having a movable portion that abuts on a case to arrive at an initial state when de-energized; a pump section axially sliding in association with a movement of the movable portion by an electromagnetic force of the solenoid section and pumping a hydraulic fluid by reciprocation; and an elastic member biasing the pump section in a direction counter to the electromagnetic force of the solenoid section; and a control unit that controls the solenoid device so that a current applied to the solenoid section is repeatedly increased and decreased between an upper limit value and a lower limit value that is greater than 0.

Abstract: The present disclosure relates to a vehicle transmission with fluid pump having a recirculation circuit. The recirculation circuit is configured to direct fluid from an outlet of the pump to an inlet during pump cycling. A method of manufacturing a fluid pump for use in a vehicle transmission is also disclosed.

Abstract: A fan unit for an agricultural machine includes a fan housing configured to define a plurality of fan chambers. Each fan chamber of the plurality of fan chambers has a respective air inlet port and a respective air outlet port. A shaft is rotatably mounted to the fan housing. The shaft has an axis of rotation that intersects the plurality of fan chambers. A plurality of fans is attached to the shaft for rotation with the shaft. Each fan of the plurality of fans is located in a separate respective fan chamber of the plurality of fan chambers.

Abstract: An oil supplying apparatus for a vehicle, includes an engine driven mechanical oil pump, a hydraulic actuator operated by pressure of oil supplied from the engine driven mechanical oil pump to the hydraulic actuator, an engine lubrication device lubricating each member of the engine with the oil supplied from the engine driven mechanical oil pump, and a priority flow valve selectively establishing priority flow and secondary flow conditions when a low oil pressure is working on the hydraulic actuator and when a high oil pressure is working on the hydraulic actuator, respectively, the priority flow condition allowing an oil supply from the engine driven mechanical oil pump to the hydraulic actuator with priority over an oil supply from the engine driven mechanical oil pump to the engine lubrication device, the secondary flow condition allowing the oil supply from the engine driven mechanical oil pump to the engine lubrication device.

Abstract: Controlling one or more component of a vehicle air supply system, such as an air compressor or an air dryer, based on an engine control signal. Examples of engine control signals include emission control signals, turbocharger status signals, coolant temperature signals, and ambient temperature signals.

Abstract: A multiple membrane pump for food liquids, comprising at least one duct for the compensated intake of the liquid, which is closed on itself in a loop and is provided with at least one intake port, at least one duct for the compensated delivery of the liquid, which is closed on itself in a loop and is provided with at least one delivery port, at least four branches, which provide a unidirectional connection between the intake duct and the delivery duct and are associated respectively with four liquid pumping membranes, a gearmotor assembly, which is associated with a crank system for actuating the membranes and is adapted to convert the rotary motion of an output shaft of the gearmotor assembly into a reciprocating motion, adjusted with an appropriate timing between two mutually opposite intake and delivery stroke limit positions, of each of the actuation axes of the membranes.

Abstract: In a variable displacement vane pump employing a cam ring, a pump rotor, and a plurality of vanes, each slidably fitted into the rotor, a biasing member is provided to force the cam ring in a direction that a geometric center of an inner peripheral surface of the cam ring and a rotation center of the rotor are spaced apart from each other. A force, by which the cam ring can be oscillated against the biasing member in accordance with a buildup of a pressure in a pump discharge portion, acts on the inner peripheral surface of the cam ring.

Abstract: An engine blower includes a centrifugal blower having a volute case in which a fan is accommodated; an engine attached to the centrifugal blower for driving the fan; a carburetor mounted to the engine via an insulator; and a lead wire that establishes conduction between the engine and the carburetor. The electrical potential difference between the engine and the carburetor can be eliminated, which prevents electrostatic discharge between the engine and the carburetor even when static electricity is built up in a volute case or a ventilation tube. Accordingly, ignition timing can be prevented from shifting due to an influence on an electrical circuit by the discharge within an ignition unit.

Abstract: A water-cooled internal combustion engine includes a water pump having a short pump drive shaft for reducing the weight and size thereof. In a water-cooled internal engine equipped with a clutch at the end of a crankshaft, a water pump having a water pump drive shaft parallel to the crankshaft is disposed on the axial inside of the clutch, that is, on a central side of the crankshaft.

Abstract: An air blower has a motor drivably connected to an impeller operable to move air through a spout and into a nozzle releasably mounted on the spout. A heater assembly located with the nozzle operates to heat air flowing in the nozzle and discharge hot air from the nozzle.

Abstract: A method of controlling a hydraulic system having a variable displacement pump operatively coupled to an engine. The method includes detecting a speed of the engine, and determining a desired power value of the pump. The method also includes identifying an allowable power value that may be expended by the pump at the detected speed. The method also includes selecting a pump power value. The selected pump power value is the lower of the allowable power value and the desired power value. The method further includes adjusting the pump to deliver the selected pump power value.

Abstract: The present invention is generally related to providing auxiliary power to long-haul trucks and similar types of transportation vehicles, and more particularly related to an easily installed and maintained auxiliary power unit that provides operational levels of electrical power and HVAC services while simultaneously driving a hydraulic system through an incorporated hydraulic pump assembly.

Abstract: The present invention provides a servo actuated operating mechanism for a lobed rotor positive displacement supercharger combining a low cost and capacity electromagnetic clutch with a small oil pump internal to the supercharger unit. The oil pump supplies on demand oil pressure from oil in a hydraulic clutch housing or the supercharger timing gear case and acts as a servomechanism to actuate an internal hydraulic clutch. The hydraulic clutch can be engaged over a much wider range of speeds and loads than is possible with an electromagnetic clutch alone. The addition of an accumulator enables even faster engagements. The electro-hydraulic servomechanism provides improved highway fuel economy relative to an electromagnetic clutch as the engagement speed could be moved to a higher rotational speed (rpm).

Abstract: A pump for a hybrid transmission includes an input shaft having a mating surface—which may include a flat portion—on an outer surface thereof, and a pump rotor coaxial with the input shaft. The pump rotor has an inner surface corresponding to the mating surface of the input shaft, and is directly and drivingly coupled to the input shaft for common rotation therewith. The hybrid transmission may further include an input housing and pump housing, and a pump pocket—in which the pump rotor operates—defined by the input housing, pump housing, and input shaft. The pump is configured to be testable prior to mating the hybrid transmission to an engine. The pump rotor is bounded axially by the input shaft, and a pump guide is configured to center the pump rotor, and to be installed prior to installation of the pump rotor.

Abstract: A pressure washer, connected to a water source by a hose, includes a frame, an engine supported by the frame and having a crankshaft, a pump driven by the engine, a wheel supported for rotation relative to the frame, an input configured to receive water from the hose and discharge the water against the wheel to cause the wheel to rotate, and a spring having a first end that is coupled to the crankshaft and a second end that is rotatable about an axis relative to the first end in response to rotation of the wheel to wind the spring. The wound spring is released to rotate the crankshaft to start the engine.

Abstract: A method and a device for controlling the oil supply of an automatic transmission (gearbox) and to a starting element. The method can guarantee a sufficient supply of oil to a hydraulic control unit of the automatic transmission and/or the starting element, in particular an oil-cooled friction clutch, both during the operation of the internal combustion engine (4) and when the latter is at a standstill with the aid of an oil pump (2) that can be mechanically driven by the internal combustion engine (4) and a second oil pump (3) that can be electrically driven. In addition, the cooling oil supply of the starting element is guaranteed by the provision of a low-pressure oil by way of the electrically driven oil pump (3), at least during the starting operation, the stream cooling the starting element (11).

Abstract: A system, in one embodiment, includes a first service pack module and a second service pack module, wherein the first and second service pack modules are separate from one another. The first service pack module includes a hydraulic motor, an air compressor drivingly coupled to the hydraulic motor, and a generator drivingly coupled to the hydraulic motor. The second service pack module includes an engine, and a hydraulic pump drivingly coupled to the engine. The hydraulic pump also may be configured to supply hydraulic fluid to the hydraulic motor of the first service pack module. A system, in another embodiment, includes a first enclosure, a hydraulic motor, an air compressor drivingly coupled to the hydraulic motor, and a generator drivingly coupled to the hydraulic motor, wherein the hydraulic motor, the air compressor, and the generator are self-contained within the first enclosure without an engine and a hydraulic pump.

Abstract: A device includes elements for controlling longitudinal kinetic energy of vehicles, and further elements for controlling inertia during driving in any direction, including one or more pipes (13) firing in the direction opposite to the running direction or in the direction of the centrifugal force, one shot or a controlled series of shots in a more or less quick succession, of compressed air or special blank charges.

Abstract: A hydraulic supply system for a hydraulically-operated automatic transmission includes a primary pump that is driven by an internal combustion engine of a vehicle. An electrically-driven auxiliary pump is provided to supply the system with hydraulic pressure when the primary pump is off or to supplement the primary pump when the primary pump does not deliver sufficient pressure. A discharge line from the auxiliary pump is connected to a control line of the hydraulic supply system and to the hydraulic system supply line under system pressure. Check valves are provided in the respective lines from the auxiliary pump. An additional check valve is provided in a line that extends from the control line to a torque sensing chamber of the automatic transmission.

Abstract: A service pack, in certain embodiments, includes an engine, a variable displacement pump coupled to the engine, and a controller configured to control displacement of the variable displacement pump in response to a load condition associated with the engine. A method of managing power of an engine-driven system, in certain embodiments, includes sensing a load associated with an engine coupled to a variable displacement pump. The method also includes adjusting pump displacement of the variable displacement pump in response to the sensed load and one or more limits associated with the engine.

Abstract: In certain embodiments, a service pack includes an engine, a tandem pump system coupled to the engine, and a controller. The tandem pump system may include a first pump and a second pump in tandem with one another. The controller may be configured to enable the first pump at a first load condition associated with the engine, the second pump at a second load condition associated with the engine, and both the first and second pumps at a third load condition associated with the engine. The load conditions may correspond to engine loads, hydraulic loads, or other loads associated with the engine. For example, at a low hydraulic pressure, the controller may selectively operate both the first and second pumps, whereas the controller may selectively operate only the first pump or the second pump at high and medium hydraulic pressures, respectively. In this manner, the system can provide suitable flow without overloading the engine.

Abstract: There is disclosed a hydrogen powered internal combustion engine (12) having cylinders (22) for driving crankshafts (28). The crankshafts are configured to drive water pumps (32) which are for pumping water into engagement with drive faces (58) of a drive water wheel (44). This water wheel is connected to, and drives, a main propulsion shaft (30) which produces the main propulsion of the engine, for example, for powering a vehicle. One or more ancillary water wheels (46, 48) are driven by the pumped water and are connected to generators for producing electric current for powering an electrolysis device (78) which produces hydrogen that can be used as fuel by the engine.

Abstract: A piston compression system converts energy from a conventional combustion cycle engine driving a piston to displace a working gas for flow through a turbine for output power. The working gas is derived by diverting a portion of the charge during combustion at near peak combustion pressure (PCP) into a closed working volume. The working gas is maintained at high pressure within the working volume. The working volume has a first displacement compartment and a second displacement compartment, a supply manifold connected for receiving pressurized working gas alternately from the first and second compartments and connected to an inlet of the turbine, and a return manifold connected to an outlet of the turbine and alternately returning working gas to the second and first compartments.

Abstract: A hydraulic supply system for a motor vehicle includes an internal combustion engine, a pump driven by the internal combustion engine, and a hydraulically operated component that is driven by hydraulic fluid transported by the pump. An electric motor is provided to drive the pump when the internal combustion engine is not running.

Abstract: A combination power plant/fluid compressor is provided for service vehicles. A small displacement internal combustion engine can be used to drive a fluid compressor, both mounted on a platform that can be mounted on the vehicle. A coupler is used to directly couple power from a pulley mounted on the crankshaft of the engine to the fluid compressor. The engine can operate on fuel from the fuel tank on the vehicle. The engine can be water-cooled and be configured to circulate heated coolant to the engine cooling system on the vehicle. In another embodiment, the engine can be operatively coupled to a stand-alone air conditioning system. In a further embodiment, the engine can be operatively coupled to a stand-alone electrical charging system.

Abstract: A fuel pump for an automotive application includes two separate pumping chambers within each of which a piston is reciprocated in order to pump fuel to an engine for the automobile. The dual cylinder arrangement increases the output capacity of the fuel pump.

Abstract: A system has a compressor and a consumer which are coupled to a drivetrain and extract energy through the drivetrain. The consumer is suitable for varying an absorption of power, which is made available to it by the drivetrain, as a function of a power which is required for compressor operation and which is supplied from the drivetrain to the compressor. A pump has at least one pump chamber which generates a pumping power during pumping operation. The pump additionally has at least one pump chamber which generates no pumping power or a reduced pumping power during pumping operation.

Abstract: Systems and methods for managing camshaft dynamic loads associated with actuation of a camshaft-driven auxiliary device in a multiple-cylinder internal combustion engine apply positive and negative torque to the camshaft in a phased relationship relative to actuation of the auxiliary device and optionally relative to actuation of intake or exhaust valves operated by the camshaft.

Abstract: A prime mover is shown which can be used in supplying power for a variety of roles in industrial applications, including oil and gas well operations, such as the prime mover which is used to operate a pump jack at a well site. It includes an internal combustion engine having an output shaft, the engine being cooled by engine oil supplied from an oil reservoir to the engine and circulated by an oil pump. A housing framework encloses the engine and supports an associated jack shaft bearing assembly, and includes a base, a hood and a plurality of upright supports which extend upwardly from the base in the direction of the hood. One or more of the uprights is a specially designed compartment having a plurality of opposing sides which define an initially open interior space, the interior space comprising an integral oil reservoir for storing and supplying oil to the engine during normal engine operation.

Abstract: A drive system (10) including an internal combustion engine (12), a planetary gear-set (16), an electric motor (18) and a transmission (20), wherein the internal combustion engine (12) and the electric motor (18) each drive the transmission (20) via the planetary gear set (16), and the electric motor (18) drives a fluid pump (22) of the transmission (20). In a further embodiment there is disclosed a fluid pump for pumping fluid from a source to a destination, wherein first and second inlet conduits are provided between the source and the pump, first and second outlet conduits are provided between the pump and the destination, and each of the conduits is provided with a valve allowing fluid flow through the conduit in only one direction, such that when the fluid pump is rotated in a first direction fluid is pumped through the first inlet and outlet conduits, and when the fluid pump is rotated in a second opposite direction fluid is pumped though the second inlet and outlet conduits.

Abstract: A technique facilitates the pumping of fluids in a well related application while minimizing the number of system components. The system and methodology comprise a plurality of pumps for use at a well site to deliver a well treatment fluid to a desired location. A single driveline is coupled between the plurality of pumps and a motive unit without incorporating a splitter box. The driveline is driven by the motive unit to rotate the plurality of pumps.

Abstract: In an engine driven unit of a feed pump, the feed pump is accommodated in a hollow space which is enclosed radially by a rotating functional wheel of a component of the motor vehicle formed, for example, by a pulley wheel, which may be driven directly by the crankshaft of the internal combustion engine.

Abstract: In one embodiment of the present invention, a water pump (10) is configured such that rotation is transmitted in a non-contact condition from a drive-end rotation member (20) whereto rotation is transmitted from an engine to a driven-end rotation member (30) having a pump impeller (31). The drive-end rotation member (20) includes a vacuum chamber (50) and a pair of permanent magnets (26a, 26b) provided so as to be mutually opposed with different polarities. The driven-end rotation member (30) includes an induction ring (32) having an induction section (32b) provided so as to form a prescribed interval between the pair of permanent magnets (26a, 26b). Furthermore, the pair of permanent magnets (26a, 26b) is moved in a rotation axis direction with respect to the induction section (32b) due to the vacuum introduced into the vacuum chamber (50), and the overlap amount (L1) of the pair of permanent magnets (26a, 26b) and the induction section (32b) in the rotation axis direction is changed.