A combination of an engine, a gearbox clutch housing and a mounting system for mounting the combination to the structural load-bearing components of a vehicle, comprising an engine having a first contact surface; a gearbox clutch housing having a second contact surface, the first contact surface of the engine and the second contact surface of the gearbox clutch housing each being joined to the other by mechanical fastening means; and a first hanger, where the latter comprises a rigid plate positioned between the first contact surface of the engine and the second contact surface of the gearbox clutch housing, with the first hanger being securely fastened between the engine and the gearbox clutch housing. The first hanger has first and second opposed load-transferring surfaces of closed perimeter, with the first of the load-transferring surfaces being in pressing contact with the first contact surface of the engine and the second of the load-transferring surfaces being in pressing contact with the second contact surface of the gearbox clutch housing. The first hanger includes one or more load-supporting members extending beyond the perimeter of the opposed load-transferring surfaces; and the one or more load-supporting members include plural spaced-apart fastening elements adapted for coupling to one or more select structural load-bearing components of a vehicle.

A repair system for a gearbox of a wind turbine includes for removably coupling to the first portion of the gearbox housing of the gearbox. The lifting apparatus is adapted for lifting the first portion of the gearbox housing relative to the second portion gearbox housing. The repair system also includes at least one gearbox housing support member for mounting to the second portion of the gearbox housing. The at least one gearbox housing support member provides a support surface for the first portion of the gearbox housing during a repair procedure of the gearbox. The support surface is offset from the second portion of the gearbox housing.

A cutting apparatus suitable for creating tunnels and subterranean roadways includes independently pivoting supports that each carry a respective independently pivoting arm and a rotatable cutting head. Each cutting head via the supports and arms, is configured to slew laterally outward in a sideways direction and to pivot in a vertical upward and downward direction. The supports and arms are mounted on a linear moving sled carried by a main frame.

A planetary gear includes a housing, a first gear stage having a first planet gear carrier, a bearing disposed on a wall of the housing, and a first shaft connected to the first planet gear carrier for torque transmission and supported in the bearing. The planetary gear further includes a second gear stage having a second planet gear carrier connected to a sun gear shaft of the first gear stage for torque transmission. The second planet gear carrier is supported in at least one of two ways, a first way in which the second planet gear carrier is supported in an axially inner bearing arranged on the first planet gear carrier, a second way in which the second planet gear carrier is supported in an axially outer bearing arranged in the wall of the housing.

Embodiments of the invention provide a supercharger including a housing with a scroll-like upper housing at one end and a gear housing at an opposite end, and an output aperture defined by the upper housing. Some embodiments include a supercharger that has a compression chamber that is at least partially surrounded by at least a portion of the upper housing. The supercharger includes an impeller at least partially positioned in the compression chamber, and a variable or interchangeable inlet extending from the housing that defines an inlet aperture fluidly coupled to the compression chamber. Some embodiments include an anti-backlash gear assembly coupled to an impeller gear of the impeller.

A portal gear box assembly for an off-road vehicle that includes a housing that defines an input gear subassembly indent, an output gear subassembly indent, and one or more idler-gear subassembly indents. The assembly includes an input gear subassembly positioned in the input gear subassembly indent with an input gear connected to an input shaft, an output gear subassembly positioned in the output gear subassembly indent with an output gear connected to an output shaft, and an idler-gear subassembly positioned within the one or more idler-gear subassembly indents to connect the input and output gears with a removable adaptor that is selectively positionable in more than one configuration to alter the transmission ratio between the input and output gears.

A method of replacing components of a gearbox and a gearbox of the wind power plant for a wind turbine includes a gearbox with a sun gear couplable to a rotor of a wind power plant. The sun gear is arranged rotatably about a rotor axis. The gearbox has a plurality of satellite units and a plurality of generators. Each satellite unit has two gear shafts and one output shaft. The two gear shafts are respectively in engagement with the sun gear and the output shaft. Each generator is associated with one of the plurality of satellite units. The plurality of satellite units are arranged and distributed over a periphery of the sun gear and are operatively connected with the sun gear. The plurality of satellite units have a modular configuration design and are releasably arranged at the sun gear.

An inline gearbox for a land vehicle that includes an engine having a clutch housing for the transmission of rotational force from the engine to one or more wheels for propelling the land vehicle, wherein the inline gearbox includes a gearbox housing having a front end, a side and a rear end, with the front end adapted to be joined to the clutch housing. There is an input shaft contained at least in part within the gearbox housing proximate to the front end of the gearbox housing, and a primary gear train that includes (a) a lay shaft; (b) a drive shaft; and (c) a plurality of selectively engaged meshed gear pairs respectively mounted on the lay shaft and the drive shaft for transmitting rotational force from the lay shaft to the drive shaft. The inline gearbox also includes an output shaft contained at least in part within the gearbox housing proximate to the rear end of the gearbox housing, with the output shaft rotationally coupled to the drive shaft. The inline gearbox features a fast-change gear assembly contained within the gearbox housing, where the fast-change gear assembly is positioned proximate the front end of the gearbox housing and interposed between the input shaft and the lay shaft, with the fast-change gear assembly comprising a first fast-change gear and a second fast-change gear meshing with the first fast-change gear, and with the first fast-change gear and the second fast-change gear each having an axis generally parallel to the axis of the input shaft. The first fast-change gear is rotationally coupled to the input shaft so as to rotate with the rotation of the input shaft, and translationally uncoupled to the input shaft to permit removal of the first fast-change gear from the gearbox housing; and the second fast-change gear is rotationally coupled to the lay shaft so as to rotate the lay shaft upon rotation of the second fast-change gear, and translationally uncoupled to the lay shaft to permit removal of the second fast-change gear from the gearbox housing.

This assembly (400) has a housing (402) for high speed components and a collar (404) located at the output end of the housing and extending radially inward from an outer surface of the housing (402), where the collar retains lubricant (406) in the gearbox when the gearbox is stationary. The collar includes a gap (502), such that one or more of the high speed components can pass through the gap in the collar and such that components offset from the central axis of the gearbox are not impeded by the collar. The high speed components include a high speed shaft (408) and a mechanical pump (410), both of which are offset from the central axis of the gearbox. The housing comprises a cover (410) having one or more holes (510) such that one or more of the high speed components can pass through the gap in the collar.

A device for the installation of rock bolts includes a supporting structure and first and second bolting units mounted to the supporting structure. Each bolting unit is configured for drilling an installation hole and/or for installing a rock bolt into a rock face, wherein the supporting structure is configured for rotatably moving the first and second bolting units about a common axis of rotation. At least one actuator is mounted to the supporting structure and configured for additionally moving at least one of the first and second bolting units.