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8100034 |
Group transmission for a motor vehicle
In a group transmission having a number of countershafts, wherein three input constants are provided on a transmission input shaft for driving a countershaft such that the group transmission is of...
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8011274 |
Gear box apparatus
A motorized machine with a “mutually definite units of energy for forced energy economy” (MDUFEE) gearbox family with a simplified shifting pattern of shifting mechanisms to cause a real gear dep...
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7914412 |
Load-shiftable transmission for a commercial vehicle
In a load shift transmission for a utility vehicle having a transmission input shaft, a split group, a main group and a range group, a dual clutch with two input shafts, a main shaft and a...
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7866232 |
Transmission for a commercial vehicle with a main group and a downstream group
In a commercial vehicle transmission with a main group and a downstream group including a downstream group countershaft, the downstream group includes means for decoupling the downstream group...
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7730807 |
Transmission for tractor
A transmission for a tractor has a forward/reverse transmission unit for selectively changing a rotational direction of power of a first shaft connected with an engine and transmitting the power to...
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7721701 |
Rotary scissors action machine
A rotary machine is provided having rotating forward and rearward work members having cyclic non-constant angle motion there between, the machine includes a rotating shaft and a first gear...
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7703353 |
Drive unit connected to a transmission output for producing forward and reverse device
A drive unit located in a power path between a transmission output and the wheels of a vehicle for reversing the direction of the transmission output includes a gear set including an input...
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7625306 |
CVT having low holding position and overdrive holding position
A transmission including a primary shaft rotatably supported, a drive pulley mounted on the primary shaft, a secondary shaft rotatably supported, a driven pulley mounted on the secondary shaft, a...
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7509885 |
Transmission auxiliary unit timed shift inhibitor
An embodiment provides a shift inhibitor apparatus. At least a portion of the range actuating assembly is moveable between a range first ratio and a range second ratio. The portion of the range...
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7281603 |
Engine
An engine for an offroad vehicle including a crankcase, a transversely extending crankshaft, and a transmission connected to the crankshaft. The transmission includes a drive pulley, a driven...
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7278950 |
Stage-geared gearbox for motor vehicles
A stage-geared gearbox for motor vehicles, includes an unsynchronized basic gearbox, at least one synchronized auxiliary gear and at least one control unit for controlling engagement and...
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7243575 |
Braking mechanism for a gear
An indexing and braking mechanism for a manual transmission having a shifting mechanism and at least one rotatable drive shaft is disclosed. The mechanism includes an indexing mechanism for...
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7219782 |
Device and method for detection of a gear position in an automotive gearbox
A gear position in an automotive gearbox is detected on the basis of measuring a value indicative of the speed of a rotating shaft between an engine and the gearbox, and a value indicative of the...
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7207240 |
Control circuit for reducing splitter cycles in an auxiliary drive box
A command assembly for controlling a splitter in a transmission allows shifting between first and reverse-low gears while the splitter is engaged without requiring the splitter to cycle during the...
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7070534 |
Power transmission with preselected ratios and a preselected output splitter
A power transmission includes a plurality of ratio gear members, a planetary splitter, and a plurality of splitter control gear members. The ratio gear members are divided between two countershafts...
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7021170 |
Gear-shifting method for multi-group gearboxes
In an automated multi-group transmission consisting of one front-mounted group, one main group and one range group and in which the front-mounted group transmission and the range group transmission...
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7013756 |
Transmission with deep reduction low range splitter gear
A low speed splitter transmission assembly includes a main gearbox and an auxiliary gearbox. The transmission assembly provides a relatively small numerical gear ratio step from the highest...
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6988426 |
Dual range countershaft transmission
A countershaft transmission includes an input member drivingly connected to a power source and at least one directional clutch assembly structured and arranged to be selectively engageable with the...
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6973854 |
Range and splitter system
An auxiliary gear box for a transmission is provided including a piston housing having a first and second bore. First and second pistons are respectively arranged within the first and second bores...
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6968756 |
Multi-speed ratio apparatus to control shaft output
A multi-speed ratio apparatus to control output for use, but not limited to, either as a module connected to a transmission or as a stand alone transmission. The multi-speed ratio apparatus is...
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6902502 |
Continuously variable transmission
A continuously variable transmission including a driving pulley, a driven pulley, an endless dry-type belt wound around both pulleys, a tension-adjusting device for pressing the slack side of the...
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6715379 |
Power transmission device of all terrain vehicle and all terrain vehicle
An all terrain vehicle comprising a V-belt continuously variable transmission and a gear-type transmission, being capable of transmitting drive torque from an engine with controlled engine braking...
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6585618 |
Remote control toy car control system
A remote control toy car control system is constructed to include a dual-gearshift transmission mechanism coupled to the engine of the remote control toy car for transmission output power of the...
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6446521 |
Tractor transmission
A tractor transmission includes a change speed mechanism, a shift lever (30) for shifting the change speed mechanism, a super-reduction mechanism (16) for decelerating and outputting power inputted...
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6439082 |
Multi-stage transmission of vehicle
A multi-stage transmission (3) of which gears do not rattle when an engine (1) is idling. The multi-stage transmission (3) is equipped with a splitter (17) that has a neutral position (N). The...
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6354166 |
Auxiliary gear box pistons stops
A heavy vehicle transmission auxiliary gear box has a piston housing defining internal fluid chambers. A piston shaft is further included to achieve the gear shifts in the auxiliary gear box. A...
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6339973 |
Slave valve with integral syncho-saver logic
A pneumatic control system for a range type compound transmission is provided including a first actuator valve that selectively connects a first range cylinder chamber to a pneumatic source when a...
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6318211 |
12-speed gear box with a 2×3×2 construction
To obtain in a 12-speed transmission for utility vehicles in 2×3×2 construction moving a logical shift diagram by alternating shifting movements back and forth with a continuously increasing or d...
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6285939 |
Power train control system
A power train control (1) for a vehicle (8) or an automotive machine with a prime mover (5) with a governor (2) and a continuously variable transmission (7) with a ratio control (3). The power...
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6148691 |
System for shifting a multiple speed axle for an automated mechanical transmission
A system for controlling the operation of a multiple speed axle connected to an automated transmission system is disclosed. The system includes an actuation device that cooperates with a processing...
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6138528 |
Agricultural tractor
A propelling transmission for an agricultural tractor includes a main change speed mechanism, an auxiliary change speed mechanism, and a high/low change speed mechanism for providing two, high and...
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6128974 |
Start gear engagement control for controller-assisted, manually shifted, synchronized, compound transmission with splitter section
A control for enhanced manual start ratio engagement in a computer-assisted (48) vehicular compound transmission (16) having a synchronized main section (16A) shifted by a manually operated shift...
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6092433 |
Small envelope range piston housing for electrical transmission range shift system
A vehicle transmission assembly includes a main gear box that supports an auxiliary gear box assembly, such as a range gear box. The main gear box has a shaft that is coupled to a shaft of the...
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6076430 |
Electrical transmission range shift system
A vehicle transmission assembly includes a main gear box and an auxiliary or range gear box. An electrical actuation device for effecting changes in the range gear box preferably includes a...
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5992267 |
Robust control for three-position transmission shift actuator assembly
A robust control (10) for a pressurized-fluid-operated, three-position shift actuator piston assembly (12). The system requires only a single controlled source of pressurized fluid (44) to provide...
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5911793 |
Transmission with semi-floating shafts
A transmission for propeller driven vehicles comprising semi-floating input and output shafts rotatably supported in a main gear case. The shafts are supported on bearings which are free from any...
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5899121 |
Fluid biased transmission range valve
A transmission range valve replaces a traditional spring bias with a pressurized fluid bias to prevent an unintended range change in the event of a significant fluid pressure decrease or loss....
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5819601 |
Gearbox, especially for a motor vehicle
The invention concerns a transmission, especially for a motor vehicle, which is designed as group transmission (1). In order to utilize as fully as possible the traction-speed diagram, the...
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5791189 |
Compound transmission with repeat or double-I shift pattern
A compound change-gear transmission (10) and control therefor are provided. The manually shifted compound transmission comprises a three-speed input splitter section (12) connected in series with a...
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5737978 |
Two-piece housing for compound transmission
A housing (116) for a compound transmission (110) comprising two major pieces is provided. An elongated, generally cup-shaped gear housing piece (190) includes a base portion (194) defining the...
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5724856 |
Shifter for manual transmissions
In a shifter of a manual transmission, a rotationally and axially movable shifter shaft is provided with a plurality of coupling members that are immovable with respect to it. The members are...
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5679096 |
Torque control for powertrain and change-gear transmission utilized in same
An improved transmission (10) having enhanced torque capacity gearings for only the upper ratios (15th, 16th) and a powertrain system (100) utilizing same are provided. The powertrain system...
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5676023 |
Cane type emergency brake
A cane type emergency brake of an automobile having a handle which can turn freely over 180 degrees, and which is of durable function. The cane type emergency brake includes a stem (10) which can...
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5651292 |
Splitter shift mechanism and control
A splitter-type compound transmission (110) is provided with a splitter clutch (180) having increased backlash and a three-position actuator (202) controlled by a microprocessor-based controller...
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5642643 |
Reduced-length, high-capacity compound transmission
A high-capacity compound transmission (200/400) of lighter weight and/or shorter axial length than comparable prior art transmissions is provided. In one embodiment, the compound transmission of...
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5537894 |
Engagement fault degraded mode control
A control system/method for an automated transmission system including a splitter-type, semi-blocked mechanical transmission (12) is provided. The control provides a technique for sensing auxiliary...
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5511437 |
Compound vehicular transmission
A compound vehicular transmission having a main section and an auxiliary section which includes an auxiliary countershaft gear assembly having an auxiliary countershaft, a first auxiliary...
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5506771 |
Start gear ratio control system and method
A control system and method for a semi-automatic mechanical transmission system (10) is provided for allowing operator request for a direct downshift or upshift into a preselected start ratio,...
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5455767 |
Control and method for controlling a motor vehicle drive having an automatic transmission
A control for a motor vehicle drive having an automatic transmission includes a circuit configuration for generating an output signal adapting shifting points to a load state of the motor vehicle...
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5435212 |
Semi-automatic shift implementation
A vehicular transmission shift control system/method is provided for effecting automatic shifting between sequentially related forward gear ratios within manually selected groups is provided in...
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