58results about "Toothed gearings" patented technology

A hammer drill/driver with a motor having an output member, a planetary transmission, a clutch assembly and a clutch bypass. The planetary transmission, which includes a ring gear, receives rotary power from the output member and produces a rotary output. The clutch assembly has a clutch profile, which is coupled to the ring gear, and a first pin assembly having a first follower, a first pin member and a first spring that biases the first follower into contact with the clutch profile. The clutch bypass has a bypass profile, which is coupled to the ring gear, and second pin assembly having a second follower, a second pin member, a third spring, which biases the second follower away from the bypass profile, and a fourth spring, which biases the second follower away from the second pin member. A method for operation of a hammer drill/driver is also provided.

A vehicle includes a front-wheel drive (FWD) transmission having a case, a selectable one-way clutch (SOWC) indexed to the case, pressurized fluid, and a valve body assembly (VBA). The VBA has a piston in communication with the fluid, a return spring, and an actuator plate in continuous contact with or connected to each of the piston and a shift lever of the SOWC. Fluid moving the piston and plate in one direction locks the SOWC to enable a reverse mode, and the spring moves the piston and the plate in another direction to unlock the SOWC in a forward mode. A method prevents spin losses in the FWD transmission by positioning a two-mode SOWC within a case, positioning a VBA adjacently and externally to the case, and admitting pressurized fluid into the VBA to engage the SOWC only during a reverse operating mode.

A lock body includes a bolt and a follower that is functionally connectable with the bolt to control the position of the bolt, and a driver. The driver is connectable with the follower to convey force turning the driver to the follower. Furthermore, the lock body includes an electric motor to operate as a power source for changing the locking state of the lock body.

An infinitely variable transmission (IVT) provides a plurality of transmission modes. At least one mode is a serial mode and at least one other mode is a split-path mode. The IVT provides substantially seamless shifting between the plurality of transmission modes.

A gear reduction unit is provided with a unique combination of right angle gears with means for distinct connection of pinions or gears with an independent shaft. The gear reduction unit has many variations with different types of right angle gears, according with the desired numbers of ratios and torque and size requirements. The gear reduction unit is more efficient, quite and more compact than conventional parallel shaft or planetary systems which have been typically used in power regulating transmissions. The gear reduction unit of the present invention is easily manufactured.

A dual-clutch transmission of a countershaft design includes a main transmission and a downstream group transmission. The main transmission has a solid first transmission input shaft connected to the output of a first powershiftable clutch, a hollow second transmission input shaft connected to the output of a second powershiftable clutch/electric machine, through which the first transmission input shaft extends, and two countershafts arranged coaxially with one another. The first countershaft is a hollow shaft and the second countershaft passes through the first countershaft. A drive output shaft of the main transmission is arranged coaxially with the two transmission input shafts and is the drive input shaft of the group transmission. The drive input sides of the powershiftable clutches/machines are connected to a drive aggregate, and to bridge across the group transmission, the second countershaft can be connected via a shifting element to the group transmission drive output.

In a worm wheel (41) and a method of manufacturing the same, the worm wheel has a metal worm wheel element (51) in which an axial bore (55) is formed at a rotational center and a synthetic resin gear ring (53) attached on the outer circumference of the worm wheel element, and a centering guide portion (77) that is coaxial with the axial bore (55) is formed on one surface of the metal worm wheel element (51).

A drive transmission device includes a gear train and a movable gear locking device. The gear train transmits rotational drive to a drive target, and includes a first gear train forming a first transmission path for transmitting the drive to the target, a second gear train forming a second transmission path for transmitting the drive to the target as drive opposite in rotation direction to the drive transmitted by the first gear train, and a movable gear movable between a first drive transmission position whereat the movable gear forms a part of the first gear train to transmit the drive to the target and a second drive transmission position whereat the movable gear forms a part of the second gear train to transmit the drive to the target. The movable gear locking device locks the movable gear at an idle position.

The invention relates to a hybrid driving system, which comprises an internal-combustion engine, a first motor, a second motor, a power output shaft used for outputting power, a first brake, a second brake, a first transmission mechanism, and a second transmission mechanism. Two connected transmission mechanisms and brakes are arranged in the hybrid driving system. When the two brakes respectively brake, the two transmission mechanisms are in two different connection modes, namely two different transmission ratios (tap positions) are formed, therefore various working modes and corresponding tap positions can be selected according to different driving conditions of a vehicle, and driving requirements of the vehicle under different working conditions can be met further. Besides, by the adoption of the hybrid driving system provided by the invention, the low-speed torsion of the whole vehicle can be increased and the starting is quickened, moreover, the highest efficiency of the internal-combustion engine can be exerted under a high-speed condition, thereby promoting energy conversion efficiency, reducing tail gas emission and energy loss, and finally achieving the effects of low emission, low fuel consumption and high kinetic energy of the whole vehicle.

The invention discloses a planetary transmission device of a coating machine. The planetary transmission device of th coating machine comprises a spindle, a planetary gear mechanism and a rack, wherein the spindle consists of a hollow spindle and a central spindle; the hollow spindle is supported by a hollow spindle bearing seat which is fixed on the rack; the lower end of the central spindle stretches out of a centrifugal disc and is connected with a sun gear; the lower end of the hollow spindle is connected with a centrifugal disc on which through holes are uniformly distributed; the number of the through holes is equal to the number of planetary gears; a planetary gear shaft bearing seat is arranged in each through hole; the planetary gear shafts are hollow shafts; the planetary gear shafts are inserted in corresponding planetary gear shaft bearing seats; the hollow spindle and the central spindle are respectively driven by a hollow spindle speed reducing motor and a central spindle speed reducing motor to operate; a set of workpiece basket clamping mechanism is arranged corresponding to each planetary gear shaft. The planetary transmission device of the coating machine is relatively simple in structure and capable of respectively adjusting the revolution speed and autorotation speed of a workpiece basket to reach the optimal revolution speed and autorotation speed for workpiece coatings.

The present invention discloses a multi-shaft power source unmanned flight equipment, and belongs to the technical field of unmanned aerial vehicles. The multi-shaft power source unmanned flight equipment comprises a frame (1), a plurality of rotor sets (2) and a power device (3). The plurality of rotor sets (2) are rotatably fixed on the frame (1), and the power device (3) is correspondingly movably connected with each rotor set (2) respectively. Power is provided for flight of the unmanned flight equipment by the power device (3) with oil drive characteristics, mechanical kinetic energy is generated by burning a combustion material pre-injected in the power device (3), and rotors (21) in each rotor set (2) correspondingly connected with the power device are driven to rotate, thereby replacing the traditional electric multi-rotor unmanned aerial vehicle structure adopting electric modes such as batteries, electronic speed controllers and the like to supply power and provide power for the rotation of the rotors (21); and the unmanned flight equipment has the characteristics of long duration and strong loading capacity.

A drive device includes a drive source; a rotatable member gear, fixed on a rotation shaft of a rotatable member, for being rotated by transmitting thereto a driving force from the driving source; a follower gear, including a pair of gears which are coaxially disposed with each other and are rotatable at the same rotational speed by rotation of the rotatable member gear and including an urging device for urging the pair of gears in rotational directions opposite from each other, for being rotated at the rotational speed higher than that of the rotatable member gear; a rotation detecting device, including a single flag rotatable together with the follower gear and including a detecting portion for detecting passing of the flag, for detecting rotation of the follower gear; a computing portion for computing rotation fluctuation of the rotatable member gear from a signal of the detecting portion; a storing portion for storing a computation result of the computing portion; and a driving source control portion for controlling said driving source on the basis of the computation result stored in the storing portion.

A speed reduction device (3) for a power seat (2) includes a worm gear (72), a helical gear (82), a casing including a casing body (74, 135) and a casing cover (76), and a motor fixation device (87). The motor fixation device (87) includes a first fitting portion (64, 141, 137, 138) provided at a housing (68, 136), a first engagement portion (64a, 136b) formed at the first fitting portion (64, 141), a second fitting portion (74a, 135a, 110) formed at the casing body (74, 135) and to which the first fitting portion (64, 138) is fitted, a second engagement portion (74b, 135b) formed at the second fitting portion (74a, 110) and arranged to overlap the first engagement portion (64a, 136b) in a direction perpendicular to the output shaft (62a) of the motor (62) in a case where the first fitting portion (64, 138) is fitted to the second fitting portion (74a, 135a), and an engagement projection (76a) formed at the casing cover (76) and engaging with the first engagement portion (64a, 136b) and the second engagement portion (74b, 135b) in a case where the casing cover (76) is tightened to the casing body (74, 135).

An operating mechanism by which the linear movement of a gearshift cable is converted into a rotational movement of an operating sleeve and transmitted to the interior of a bicycle multispeed gear hub.

A self-alignment spacer for a ball screw device is disposed between respective balls of a ball screw device and comprises: at least a stuffing having a specific gravity different from that of the spacer, a center of gravity of the spacer being eccentrically positioned, so that, in operation, the spacer between the respective balls will be able to rotate in response to an acceleration force thereof.

In an embodiment of the present invention, a piston apparatus of an automatic transmission includes a piston member capable of moving in the axial direction of the rotation shaft, and a hydraulic chamber, and has been configured so that the piston member moves in the axial direction due to pressure in the hydraulic chamber. The piston member includes a cylinder part that extends in the axial direction and to which pressure in the hydraulic chamber is transmitted, a pressing part that extends in the radial direction and presses against a friction engaging element of the automatic transmission, and a connecting part that connects the cylinder part and the pressing part and, with respect to the axial direction, is offset from the pressing part in a direction of separation from the friction engaging element. Also, the axial direction offset amount of the connecting part from the pressing part of the piston member has been set larger than the stroke amount of the piston member.

The invention relates to the field of mechanical transmission, in particular to a speed reducer of an opening mechanism of an automobile trunk door, which is used in the opening and closing mechanism of an automobile trunk door and is a three-stage gear meshing transmission mechanism. A clutch is arranged between a secondary driven gear and a triple driving gear. The adoption of the technical scheme has the advantages that the power transmission requirements on large speed reducing ratio can be met; the stability of the output torque is improved; and labor is saved when the automobile trunk door is manually opened.

A sealing element for sealing off a drive unit, having a radial shaft sealing ring that has a radial sealing face for sealing off from a first component and a diametrically opposed radial sealing lip for sealing off from a further rotatable component, in which an axial sealing ring for axial sealing of a third component is integrally formed onto the radial shaft sealing ring.

A device (1) is described for controlling and/or regulating a hydraulically activatable shifting element. The shifting element (2) is configured with a piston-cylinder unit (3) that can be acted upon by a hydraulic operating pressure (p) and can be arranged in an installation space that is connected to an oil sump of the gearing mechanism device. In addition, the device (1) is provided with an electric motor (5) that can be actuated by a control and/or regulator unit (4), and which is provided with a drive-transformer device (6) that has a functional connection to the electric motor (5), by way of which the rotational drive of the electric motor (5) can be transformed into the hydraulic operating pressure (p) for the shifting element (2).

An automated manual transmission for a vehicle may include an input shaft configured to receive rotating force from a power source, an output shaft disposed parallel to the input shaft so that power is output from the output shaft, and a plurality of shift gear trains each comprising external gears respectively provided on the input shaft and the output shaft in such a way that the external gears circumscribe each other, the external gears forming a pair that embodies one of a series of shift ratios. Among the external gears that form a shift gear train in the plurality of the shift gear trains that embodies at least two adjacent shift ratios, either of two external gears that forms each of the shift gear trains may be connected to the input shaft or the output shaft by a planetary gear device.

The device controlled by a finger allows the mobile phone record videos around the user. The device includes main parts: 1—mobile phone holding frame, 2—pivot to receive external force to create rotary motion on the pivot, thus, enable the pivot to rotate freely, 3—handle enabling the user to hold the 360° mobile phone rotary device in the palm of the user's hand to create an angle between the grip and the mobile phone, in addition, a 360° mobile phone rotating device may be added: 4—couplings or extensions to extend the handle and pivot holding frame or to increase the length between the handle and the pivot holding frame A and to create the angle between the handle and the mobile phone at will, 5—cable inside the cable conduit to transfer the rotational motion from the handle to the mobile phone holding frame, 6—curved or straight bars tangent to the pivot with reciprocating motion obtained by the external force and held by the gap between the horizontal bars on the shaft retainer.

The invention discloses a transmission mechanism for realizing compound motion of rotation and torsional vibration based on transmission with few tooth differences. The motion input is realized by the eccentric shaft connected to the power source; the motion conversion mechanism is realized by the external gear that is free from the eccentric shaft and the internal gear that meshes with the external gear; the motion output mechanism is realized by the fork pin that is fixedly connected with the external gear 1. A compound motion output element with a shift fork slot plugged in with the shift fork pin is realized. Among them, the eccentric shaft, external gear, and internal gear form a standard transmission with few tooth differences, which converts the input rotary motion with a speed of n (rpm) into a low-speed revolution with a speed of n/i (rpm) and a speed of n (rpm), radius of gyration It is the high-speed rotary plane motion of e1; the fork pin and the compound motion output element realize the conversion of the compound motion of the external gear into the compound motion of rotation and torsional vibration and output it. Compared with the existing transmission scheme, the structure of the mechanism is greatly simplified, the matching range of motion parameters is wider, and it can be widely used in vibration tapping, vibration drilling, vibration grinding and other mechanical processing technical fields.

The invention relates to a parallel shift transmission having a drive unit and two partial transmissions, each connectable to the drive unit via a friction clutch and each having a plurality of gear ratio steps.

The invention discloses a power shift gear box applied to engineering machinery. The power shift gear box comprises an input shaft and an output shaft, and power transmission is conducted between the input shaft and the output shaft through three power transmission units. According to the power shift gear box, five transmission shafts are adopted, the total number of gears on each shaft is fourteen, the structure is simple, the pair number of the transmission gears is small, the number of parts participating into transmission is small, all forward gears output power through meshing of four pairs of gears, all backward gears output power through meshing of three pairs of gears, and therefore transmission efficiency is high. The number of the shafts is reduced, the structure of a box body is simple and manufacturing cost is reduced due to adoption of a double-acting clutch. Meanwhile, the gear box can adopt six forward gears and three backward gears, power utilization rate of an engine and acceleration performance of an automobile are improved, and the power shift gear box is suitable for being matched with a three-element torque converter which is high in transmission efficiency.

The invention relates to a planetary reducer. The problems that in an existing planetary reducer, the inner gear locating precision is not high, load non-uniform distribution between planetary gears is prone to being caused, and consequently the reducer is damaged are solved. The planetary reducer comprises a flange plate, a shell, a transmission gear, an output shaft gear, an inner gear and a planetary gear assembly. Planetary gears in the planetary gear assembly are engaged with the inner gear. The inner gear is of an independent gear ring structure. The flange plate and the shell are directly and fixedly connected through a bolt. The inner gear is mounted in the shell. The inner wall face of the shell is provided with a cylindrical inner gear mounting face in clearance fit with the outer cylinder face of the inner gear. Multiple axial round pin holes distributed at intervals in the center circumferential direction are formed in the cooperation position of the outer cylinder face ofthe inner gear and the inner gear mounting face. Cylinder pins in clearance fit are mounted in the round pin holes. In the planetary reducer, when planetary gear loading is non-uniform, the inner gearand planetary gear carriers automatically float till loads between the planetary gears are distributed uniformly, and the reliability of the planetary reducer is effectively improved.

The present invention discloses a four-wheel driving converter for an electric automobile, wherein a four-wheel converter (5) provided on an electric automobile is simultaneously provided a planetary gear train (20) and a clutch (40) arranged between a motor (6) and a differential gear (4) to realize four-wheel driving, after a speed change time point, the rotation speed of the motor is reduced to a high-speed segment, and even if the connected state between the motor (6) and the differential gear (4) is removed, the four-wheel driving is realized without damaging the motor (6), and the entire traveling segment of the electric automobile can implement regenerative brake, thereby greatly increasing regenerative brake efficiency.