34results about How to "Reduced actuation force" patented technology

A locking mechanism for a wind turbine decelerates and / or locks a rotor or a rotor shaft of the wind turbine. For maintenance work, the rotor or the rotor shaft is lockable to a machine support of the wind turbine in a form-fit manner by utilizing the locking mechanism. A rotational position of the rotor shaft is automatically detected in a DESIRED position. Moreover, the locking mechanism is configured to be automatically engaged when the DESIRED position has been reached. The locking mechanism additionally has at least one deceleration device for affecting the drive train and / or allowing the rotational speed of the rotor and the rotor shaft to be reduced.

A lever-type electrical connector assembly is provided that includes first and second electrical connectors having an actuating lever movably mounted thereon for movement between a release position with the connectors un-mated and a lock position with the connectors mated. In one form, a blocking member is provided between the first connector and the actuating lever for holding the actuating lever in the release position. A second connector includes a release member for shifting the blocking member to allow the actuating lever to move from the release position to the lock position. In another form, the electrical connector assembly is configured to precisely maximize the mechanical advantage provided by the actuating lever by including a predetermined force transmitting engagement portion at which the lever actuator engages one of the connectors to transmit a concentrated, predetermined leveraged output force thereto upon pivoting of the lever from the release to the lock position.

The invention discloses an electric wheel assembly, axle and vehicle suitable for twin-tire parallel loading wheels. The electric wheel assembly comprises wheels and a support shaft assembly, an innerrotor hub motor, a planetary gear reducer and a braking system. A planet carrier is connected with a wheel hub, the wheel hub connects a spoke and a wheel rim, a wheel support shaft passes through arotor sleeve, and hub bearings are arranged on the wheel support shaft to support the wheel hub and the whole wheel. The sun gear at one end of the rotor sleeve of the inner rotor hub motor is the power input of the planetary gear reducer, and the planet carrier is the power output. The planetary gear of planetary gear reducer adopts tower gear to realize larger transmission ratio under smaller axial length. The brake system adopts drum brake, the brake drum is connected with the rotor sleeve, and the braking force is amplified through the planetary gear reducer, which can reduce the braking force required by the brake system, and the electric motor can provide the electric braking force when braking. The electric wheel assembly can be used for the non-independent suspension of the commercial vehicle, and the cooling lubrication mode of the integrated cooling lubrication can be adopted to improve the performance.

The invention relates to a wedge-shaped automobile brake device based on proportional electromagnet driving. The device is mainly composed of a wedge block upper outer cover, a wedge block lower outer cover, an outer wedge-shaped block, an inner wedge-shaped block, a proportional electromagnet stator, a proportional electromagnet permanent magnet, balls, a brake caliper support, a brake caliper, a floating piston, an inner brake lining, an outer brake lining and a brake disc. A wedge-shaped friction self-force-amplifying mechanism in the mechanism achieves the friction self-force-application effect, and greatly reduces brake promotion force. The promotion force of the wedge-shaped mechanism is provided by a floating proportional electromagnet, and force can be exerted in two directions so that braking force control for the advancing working condition of an automobile and the backing up working condition of the automobile can be achieved. Accurate delivery of frictional force and positive pressure in the braking process is achieved through floating supporting of the piston, the inner brake lining and the outer brake lining, control accuracy of the braking force is guaranteed, self-adjusting of brake clearance is achieved through a return rubber seal ring, most parts of a traditional disc brake is reserved, and the wedge-shaped automobile brake device is simple in structure, compact in system, low in cost and easy to achieve.

The present invention refers to a mechanical coolant pump 10 for an internal combustion engine. The mechanical coolant pump 10 for an internal combustion engine comprises an impeller 18 for pumping the coolant into an outlet channel 16 which comprises an outlet valve 20. The outlet valve 20 comprises a shiftable flat valve plate 22 which is shiftable in a transversal plane of the outlet channel 16 through a passing slit 24 in the outlet channel wall 26.

The present invention belongs to a three-force side shoe drum type clearance independence spacing self regulating instantaneous center brake for auto wheel. The characteristics of the invention is the bearing hole of the braking base plate fixes upper, lower supporting shoe pin roll, mutually symmetrical and locating on the two sides of the horizontal axis, the upper and the lower supporting hoof pin roll are packed with an upper and lower brake shoes, the upper and lower bearing holes of the upper and lower brake shoes are set with the upper and lower ratchet wheel coupling double working surfaces cams; the horizontal axis of the braking base board has a camshaft, the upper and lower bearing shoe pin roll and the camshaft form polarization braking center triangle; the upper and lower positioning pawl pin rolls are set on the extending part of the upper and lower braking shoes, the upper and lower locating pawl bearing hole is set on the braking plate, the claw is connected to the ratchet tooth. The invnetion acquires small abrasion of the brake braking working surface, having no noise, realizing optimal braking time, optimal braking deceleration, optimal braking distance, maximum force value and optimal force balancing effect, ensuring auto operating safety.

The invention discloses a continuously variable compression ratio engine and a power output device thereof. The engine comprises a crankshaft, an integrated crankshaft deflection support body, a crankshaft bearing cover, a crankshaft timing gear part, a control driving mechanism, a flywheel, an eccentric clutch and a transmission input shaft, wherein the control driving mechanism has braking and locking functions. The original design thought is that: when the flywheel and the eccentric clutch are eccentrically rotated along with the crankshaft simultaneously, a difficult engine variable compression ratio problem is converted into an eccentric clutch designing problem. The engine and the device aim to completely solve the technical problems of variable compression ratio engines which make human beings troubled for nearly a century, and struggle for saving one third of energy in the world and returning a sustainable green environment to the world.

The invention relates to a power generation device (1) that includes an excitation coil (2) with a central opening, and a magnetic circuit (3) extending through the central opening of the coil and including at least one permanent magnet (4a, 4b, 6) and a plurality of ferromagnetic members (33, 34, 32, 40) arranged in a fixed portion and two mobile portions (30a, 30b), characterized in that the two mobile portions (30a, 30b) are mounted on two parallel rotary axes and can each assume two positions, in that the device includes means for rotating (5, 50) the two mobile portions (30a, 30b) between the two positions thereof so as to create two states of the magnetic circuit (3), i.e. a first state in which a magnetic flow (F1) flows through the coil in one direction and a second state in whicha magnetic flow (F2) flows through the coil in the opposite direction.

A truck (10) with a cab (1) and a tilting device (4) is proposed, the cab is hinged on a chassis (3) via a support structure (2) around a rotation axis (6), the Tilting means are used to raise the cab (1) to an open position tilted forward for access to the engine compartment located below the cab, wherein the cab (1) is fixable to the chassis in the closed position, said The tilting device (4) has at least one traction element (5, 5') actuatable by means of a drive (7, 7') for raising and closing the cab (1), said traction element being mounted on the Between the cabin (1) and the chassis (3), such that in the event of a frontal collision with an obstacle at the level of the cab (1), the traction element forms a grip for the cab (1).

The invention refers to a mechanical coolant pump ( 10) for an internal combustion engine. The pump 10 comprises an impeller pump wheel ( 14) pumping the liquid coolant incoming in axial direction radially into an outlet volute ( 16), a pump housing (12) including a outlet volute housing (13) defining the outlet volute (16) including a first outlet channel (18), and an outlet valve arrangement in the route of the first outlet channel ( 18). The outlet valve arrangement comprises valve flap (30) being pivotable between an open position and a closed position to leave open or close a valve opening (19) of the outlet channel (18). The valve opening ( 19) is defined and surrounded by a valve seat (64) defining a valve seat plane (60) and a symmetry plane (62) in the middle of and rectangular to the valve seat plane (60). A valve flap (30) is provided with a flap seat (66) corresponding to the valve seat (64). The valve flap (30) is rotatable around a pivot axis (31) which is in parallel to the symmetry plane (62) and is located with a lateral eccentricity (E) from the symmetry plane (62), whereby the lateral eccentricity (E) is between 1 / 20 and 1 / 1 of the pivot axis' distance (D) to the valve seat plane (60).

A drivetrain of an electrically driven vehicle has a frictionally engaging normally closed clutch with conical friction elements, which rest against each other in pairs in a closed position and transmit torque. In addition, an electrically driven vehicle with such a drivetrain is provided.

The invention relates to a parking brake device comprising a spring element and an actuating element that acts upon the spring element, wherein by applying an actuating force to the actuating element the parking brake device is transferrable between a brake-inactive release position and a brake-active parking position. In the invention, it is provided that the spring element is biased in the release position and that the spring element upon transfer from the release position to the parking position yields only upon attainment of an actuating-force threshold value that is determined by the bias.

A lever for moving first and second brake shoes into engagement with a drum to effect a brake application. The lever has a first end connected to the brake shoes and a second end with a tine fixed thereto to which a cable is connected to apply an input force to effect a brake application. A predetermined force is applied to the tine to deflect the tine and a tab engages the lever to hold the tine in the deflected position. The tine and second end of the lever move in unison in response to an input force until the input force exceeds the predetermined force such that while the tine and cable continue to move in unison the deflection of the tine proportionally reduces the movement of the first end of the lever and as a result an actuation force applied to effect a brake application is correspondingly reduced.

A proportional valve includes a valve assembly including a valve body that houses a valve operator. The valve body defines an inlet and an outlet for a fluid flow through the valve body. The valve operator has a longitudinal axis and includes a poppet that is moveable along the longitudinal axis between a closed position and an open position. The proportional valve further includes an actuator, wherein the actuator comprises an actuator housing that houses: a first magnet element and a second magnet element; a non-magnetic carrier in which the first magnet element and the second magnet element are mounted; a first wire coil located adjacent to the magnet elements and a second wire coil located adjacent to the magnet elements on an opposite side of the magnet elements relative to the first wire coil; a first spring beam to which the non-magnetic carrier is suspended adjacent to the first magnet element, and a second spring beam to which the non-magnetic carrier is suspended adjacent to the second magnet element; and a flux frame that conducts magnetic field lines through the actuator. When the wire coils are energized, a magnetic field is created which causes the non-magnetic carrier to move against the valve operator to move the valve poppet away from the closed position against the valve seat, thereby opening the valve. The first and second spring beams restrain the movement of the non-magnetic carrier to an arc of sufficient radius that said movement is quasi-linear.

An improved butterfly valve having (a) a valve housing, (b) a valve-plate having a peripheral edge located in a central plane when in a fully-closed position, (c) a valve stem configured to rotate the valve-plate about an axis parallel to the central plane to control flow through the valve, and (d) a valve seat configured to engage the peripheral edge to form a seal when the valve-plate is in closed positions, the improvement wherein the valve seat comprises (1) a resilient sealing member having an inward valve-seating surface engaging the peripheral edge therearound and an opposite outward surface; and (2) a ring structure: (i) having an inner surface adjacent to the outward surface; (ii) having the valve stem passing therethrough along the axis; (iii) divided into two sub-ring portions adjacent to each other with valve-stem-adjacent ends; and (iv) sized to permit central-plane-parallel relative sub-ring-portion displacement perpendicular to the axis, thereby lowering valve actuation force.

Disclosed is a disk-type pilot valve which encompasses both throughput control and a distribution function for distributing penetrating water to one of several outlets (8, 3). In order to allow one respective movable control disk that is to be actuated separately to cooperate with a joint stationary distribution disk (7) for both controls (9, 15), pressing of the two movable control disks against the distribution disk can be adjusted and regulated separately. Two actuating elements (14, 19), one of which is disposed around the other one as a sleeve, are used for actuating.

The invention relates to a wedge-shaped automobile brake device based on proportional electromagnet driving. The device is mainly composed of a wedge block upper outer cover, a wedge block lower outer cover, an outer wedge-shaped block, an inner wedge-shaped block, a proportional electromagnet stator, a proportional electromagnet permanent magnet, balls, a brake caliper support, a brake caliper, a floating piston, an inner brake lining, an outer brake lining and a brake disc. A wedge-shaped friction self-force-amplifying mechanism in the mechanism achieves the friction self-force-application effect, and greatly reduces brake promotion force. The promotion force of the wedge-shaped mechanism is provided by a floating proportional electromagnet, and force can be exerted in two directions so that braking force control for the advancing working condition of an automobile and the backing up working condition of the automobile can be achieved. Accurate delivery of frictional force and positive pressure in the braking process is achieved through floating supporting of the piston, the inner brake lining and the outer brake lining, control accuracy of the braking force is guaranteed, self-adjusting of brake clearance is achieved through a return rubber seal ring, most parts of a traditional disc brake is reserved, and the wedge-shaped automobile brake device is simple in structure, compact in system, low in cost and easy to achieve.

The present invention refers to a mechanical coolant pump 10 for an internal combustion engine. The mechanical coolant pump 10 for an internal combustion engine comprises an impeller 18 for pumping the coolant into an outlet channel 16 which comprises an outlet valve 20. The outlet valve 20 comprises a shiftable flat valve plate 22 which is shiftable in a transversal plane of the outlet channel 16 through a passing slit 24 in the outlet channel wall 26.

A control unit (2) of a hydraulic unit comprising a control piston (3) slidably arranged in a control cylinder (4) for servo pressure at a first outlet (8) of the control unit (2) (P 2 ) to provide hydraulic fluid suitable for the displacement of the hydraulic unit. Servo pressure (P 2 ) is proportional to the sum of the internal force of the hydraulic unit and the operating force acting on the control unit (2). The hydraulic fluid provided at the outlet (8) is at the inlet (7) of the control unit (2) at the filling pressure (P 1 ) is supplied by the filling pressure supply. The control piston (3) has a blind hole (5) in the direction of the longitudinal axis (13) of the control unit (2), a pressure relief valve (20) is arranged in the blind hole (5) and serves as a pilot control unit, the pilot control unit has The double-sided pressure relief piston (23) is arranged in the blind hole (5) and is slidable relative to the control piston (3) by the actuator (6), so that the displacement of the pressure relief piston (23) is carried out by the actuator (6). , the reduced filling pressure as the hydraulic set pressure (P 4 ) acts on the intermediate front surface (26) and distal front surface (27) of the pressure relief piston (23) and on the front surface (12) of the control piston (3). The control piston (3) can pass through the set pressure (P 4 ) generated by the sum of the pressure and the force of the actuator (6) moves within the control cylinder (4).

The invention discloses an electric wheel assembly, an axle and a vehicle suitable for twin tires and wheels, including a wheel and support shaft assembly, an inner rotor hub motor, a planetary gear reducer and a braking system. The planet carrier is connected to the hub, the hub is connected to the spokes and the rim, the wheel support shaft passes through the rotor sleeve, and the hub bearing is arranged on it to support the hub and the entire wheel; the sun gear at one end of the rotor sleeve of the inner rotor hub motor is a planetary gear reduction The power input of the reducer, the planetary carrier is the power output; the tower gear used in the planetary gear of the planetary gear reducer achieves a large transmission ratio with a small axial length; the braking system adopts a drum brake, the brake drum and the rotor sleeve The braking force is amplified through the planetary gear reducer, which can reduce the braking force provided by the braking system, and the motor can provide electric braking force during braking. The electric wheel assembly can be used for non-independent suspensions of commercial vehicles, and can adopt an integrated cooling and lubrication cooling and lubrication method to improve performance.

The invention relates to a bolting device having two bolts which are held rotationally secure and coupled to each other via a spindle element, wherein: a first bolt is connected via a threaded engagement to a corresponding thread of the spindle element; rotating the spindle element about its central longitudinal axis causes the first bolt to move along the longitudinal axis; and a second bolt is rotationally mounted on the spindle element in a fixed axial position. The invention also relates to a crane jib head comprising such a bolting device, for bolting a lattice masthead to a head adaptor.

A method for producing a locking device of a longitudinal adjustment mechanism of a vehicle seat, includes producing a locking device having a plurality of round locking pins which can be latched into position independently of one another and can he unlatched together, at least one guide part and a notched strip, wherein the guide part is assigned to a seat rail and has guide bores for the locking pins. The notched strip is assigned to a floor rail. The locking pins have an upper actuating end and a lower engagement region interacting with the notched strip. The locking pins are lubricated during the production step or subsequently thereto. During and / or after the lubrication step, each individual locking pin is rotationally driven by a rotating device.

The invention relates to a roller blind arrangement for a motor vehicle for shading a transparent vehicle section and comprising a roller blind fabric (16) which can be wound on a reel to Forming a roller blind winding, the roller blind arrangement is guided at its lateral edges with respect to the vertical longitudinal center plane of the roller blind in respective guide rails (22A, 22B), the roller blind arrangement also having a drive device having a drive gear (26) for driving two drive structures, each of which is guided in a guide rail (30) of a corresponding one of the guide rails (22A, 22B), the Each of said drive structures is designed as a toothed belt (28A, 28B) having a substantially rectangular cross-section and comprising teeth (32, 34) on at least one side. The roller blind (16) is pressed between the underside of the toothed belt (28A, 28B) and the bottom (42) of the guide rail (30) and moves along the guide rail (22A, 22B). ), the roll shade is deflected in at least an approximately U-shaped manner in the guide track (30) by the toothed belts (28A, 28B); or, the roll shade ( 16) is pressed between the upper side of the toothed belt (28A, 28B) and the top of the guide rail (30), and when viewed in the transverse direction of the guide rail (22A, 22B), the The roller shade is deflected in said guide track (30) by said toothed belts (28A, 28B) in an at least approximately inverted U-shaped manner. The spool (20) has respective ends at either side of the vertical longitudinal center plane of the shade, each end tapering towards a respective lateral edge of said shade fabric (16).