Matches 1 - 50 out of 212 1 2 3 4 5 >


Match Document Document Title
8172057 Drive mechanism and method  
A drive train is used at least including an input shaft and an output shaft. A clutch member is rotatable by a clutch shaft about an axis of rotation. The clutch shaft is supported for lateral...
8157070 Marine reduction and reverse gear unit  
A marine reduction and reverse gear unit having an output shaft disposed at an acute (or obtuse) angle with respect to an input shaft 7 comprises: a drive gear 15 for transmitting torque from the...
8146723 Hydraulic control apparatus for marine reversing gear assembly for watercraft  
A hydraulic control apparatus for marine reversing gear assembly for watercraft includes a pressure-reducing valve for adjusting pressure of working oil supplied from a supply pump, and supplying...
8127907 Marine transmission using rheological fluids  
A marine transmission provides first and second drive gears that have first and second driving surfaces in contact with first and second quantities of rheological fluid. First and second driven...
8100732 Boat propulsion unit  
A boat propulsion unit minimizes a shock upon switching of an engagement state of a clutch mechanism. The boat propulsion unit includes an upper clutch mechanism that is arranged on an axis of a...
8066107 Modulatable marine transmission clutches including fluid-operated nonrotating pistons for clutch engagement  
A marine reverse and reduction transmission with modulatable marine transmission clutches including fluid operated nonrotating pistons for effecting clutch engagement by compression of the plates,...
8020684 Shift apparatus for inboard-outboard drive  
A shift apparatus of an inboard-outboard drive in which shift operation can be carried out by electrical means without using known cables such as wires is provided. Solenoid valves 35 and 36 which...
8002097 Clutch mechanism of an outboard motor  
A clutch mechanism of an outboard motor includes a forward gear and a reverse gear that are always driven in opposite directions by a drive shaft driven by a drive system, and a dog gear disposed...
7997398 Hydraulically actuated marine transmission  
A marine transmission provides a cylindrical spool valve that is disposed within the gear case of the transmission and has a movable portion that is axially movable in a vertical direction to...
7954614 Drive mechanism and method  
A drive train is used at least including an input shaft and an output shaft. A clutch member is rotatable by a clutch shaft about an axis of rotation. The clutch shaft is supported for lateral...
7793768 Motor driven ball and ramp clutching system for a marine transmission  
An electric motor applies torque to a ball and ramp actuator element generating thrust that is transferred through a bearing from the stationary actuator to the rotating clutch pack elements of a...
7753184 Bidirectional clutch mechanism  
A bidirectional clutch with opposing output drives mounted over an internal support shaft, and a bidirectional clutch jaw positioned between them. The clutch jaw has opposing cam surfaces which...
7686733 Manual transmission and shift lug structure thereof  
The present invention relates to a manual transmission and a shift lug structure thereof where a direct shifting from a first speed to a reverse speed can be is possible. In preferred aspects, a...
7476019 Agitator for mixing or agitating target material by rotating vessels containing the material  
The agitator of the present invention comprises: a drive source; a differential unit; a rotation-direction switching unit; and a brake unit. The drive source generates rotational driving forces....
7291048 Actuator device for a marine propulsion transmission  
An actuator of a marine propulsion transmission is attached to a movable clutch member through the use of a coupler which comprises a generally spherical member formed as a portion of the actuator...
7270224 Device for the optimization of hydraulically controlled engagement of clutches used in marine transmissions  
Optimization of hydraulically controlled engagement of clutches in marine transmissions by a device having two clutch control pistons, two solenoid valves arranged between the pumps, aid pistons, a...
7247114 Automatic transmission  
A forward/reverse change-over mechanism (3) of an automatic transmission comprises a forward clutch (5) inside a drum (7) with the base (7c) which rotates together with an input shaft (1). The...
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...
7140932 Outboard motor shift mechanism  
In a shift mechanism for an outboard motor mounted on a stem of a boat and having an internal combustion engine at its upper portion and a propeller at its lower portion that is powered by the...
7048104 Selective bypass of solenoid-controlled supply to friction elements of an automatic transmission  
A hydraulic system for controlling the engagement and disengagement of a friction element includes a source of line pressure, a source of exhaust pressure, a manual valve having a forward state and...
7007780 Variable speed clutch  
A variable speed slip clutch is provided. The clutch has an output shaft, a first and second input hub, and output hub, a wrap spring and a control hub. In one embodiment, the clutch includes a...
6955627 Multi-speed transmission and integrated drive transfer mechanism  
A multiple speed transmission capable of producing five underdrive gear ratios, one direct drive ratio, four overdrive ratios, and four reverse ratios includes four interconnected planetary...
6851328 Control apparatus for transmission  
A transmission control apparatus includes transmission lines disposed between a pair of transmission shafts and a hydraulic multiple disc transmission clutch disposed on one side of the...
6681909 Walk-behind implement having wrap spring wheel clutches  
A reversible implement including an engine, an axle driven by the engine, a pair of ground engaging wheels with a wheel located at each axle end, a pair of input hubs rotatably fixed to the axle, a...
6679740 Method of hydraulically controlling a marine speed reducing and reversing machine in crash astern operation  
In carrying out a crash-go-astern operation for switching operating means (2a) of a hydraulic clutch mechanism (100) provided to a marine reduction and reverse gear (1) from a forward setting (F)...
6666312 Modulatable power transmission clutch and a marine transmission  
A transmission housing having a modulatable power transmission therein which includes a clutch having interleaved clutch plates and having a central power transmitting shaft extending axially...
6557678 Transmission  
A transmission assembly comprising an overrunning clutch assembly comprising a race having an inner annular contact surface, a plurality of sprags provided along the inner annular contact surface...
6544083 Shift mechanism for a marine propulsion system  
A gear shift mechanism is provided in which a cam structure comprises a protrusion that is shaped to extend into a channel formed in a cam follower structure. The cam follower structure can be...
6523655 Shift linkage for a marine drive unit  
A shift linkage for a marine drive unit is provided with a groove that is aligned along a path which is nonperpendicular to an axis of rotation of the shift linkage. The groove, and its...
6505529 Reversing gear-box which can be shifted when under load  
A reversing transmission shiftable under load in which the reversing clutches (1, 2) are automatically evacuated by the flow of pressure medium through the clutch (1, 2) not subjected to pressure...
6491150 Switchable silent ratchet  
A switchable clamp-type locking mechanism with an output shaft (3) that rotates in relation to a housing (1) is provided. Furthermore, clamping elements, in particular clamping balls or clamping...
6470763 Shift control device for automatic transmission  
The present invention provides a shift control valve that controls the supply of engagement control hydraulic pressure to a drive friction engagement element and a reverse friction engagement...
6443286 Modulatable power transmission clutch and a marine transmission  
A modulatable power transmission clutch including interleaved clutch plates and having a central power transmitting shaft extending axially through the clutch. The clutch includes a fluid operated...
6401560 Shift mechanism of outboard engine  
A shift mechanism of an outboard engine has a shift cam which is remotely-operable to effect change-over of the direction of rotation of a propeller shaft in a gear case. A shift cam support member...
6386350 Clutch mechanism of outboard engine  
A clutch mechanism of an outboard engine provides improved feel of shifting operation while allowing a detent mechanism and a stopper to fully perform their functions. The clutch mechanism has a...
6148982 Coupling control device  
A coupling control device for a coupling has at least one valve for controlling at least one coupling, and at least one throttle arrangement arranged between the at least one valve and the at least...
6110071 Electronic transmission range selection  
An electro-hydraulic transmission control has a pair of solenoid valves which are energized individually to provide a forward drive or a reverse drive. A mode mechanism downstream of the solenoid...
6085880 Power shift transmission  
The power shift for vehicles has clutches and brakes in the form of multi-disc clutches which consist of disc sets; instead of the multi-disc brake for the reverse drive range, a form-locking...
6062360 Synchronizer for a gear shift mechanism for a marine propulsion system  
A synchronized gear shift mechanism is provided for a marine propulsion system. Using a hub and a sleeve that are axially movable relative to an output shaft but rotationally fixed to the shaft and...
6024198 Dual clutch reverser actuating mechanism  
A dual clutch forward/reverse unit includes a pair of spring engaged clutch units and a pair of lifter pins, each pin operable to disengage a corresponding one of the clutches. An actuator...
6019552 Thread cutter  
A thread cutter, particularly a reversing chuck with a spindle which can be pulled out, has pressure equalizing pipelines which discharge into an equalizing chamber which is sealed from the outside...
5992599 Control system for intermittently pulsing a valve controlling forward and reverse clutches a transmission and transmission fitted therewith  
A control system for an engine transmission provided with a coupling mechanism for engaging or disengaging coupling of the transmission. The control system has one or more valves movable between...
5918716 Solenoid actuated reversing mechanism  
A magnetic flux path mechanism for a solenoid actuated device includes a stationary coil for generating lines of magnetic flux when energized, a stationary case enclosing the stationary coil on an...
5879210 Power transfer device for inboard/outboard motor  
A power transfer device for an inboard/outboard motor which includes a propeller unit mounted on the hull of a vessel, the propeller unit including an input shaft for drive connection to an output...
5829564 Marine drive shift mechanism with chamfered shift rings, stepped cams, and self-centering clutch  
A marine drive shift mechanism includes a shift ring (200) having a chamfer zone (204) along an arcuate portion of its outer circumference facilitating ease of shifting. A stepped camming surface...
5715728 Transmission device, especially a reversing gear for boats  
Reversing gears for boats, comprising an angle gear with two gears (4,5) which are rotatably mounted on a secondary shaft (8) and are alternately lockable to the shaft by means of a clutch sleeve...
5709130 Transmission clutch  
A reversing transmission for marine propulsion units or the like. The reversing transmission includes a multiple disc clutch assembly that is cooperative with a pair of bevel gear and clutch...
5628593 Readily disassembleable tapping attachment with quick change replaceable and maintainable parts and method  
A self-reversing tapping attachment comprises a housing including a tap holding spindle member, a forward drive member and a reverse drive member the latter two members being interchangeable with...
5568387 Method and arrangement for adaptive switching off of the exhaust brake in connection with upshift  
The invention relates to an improved method and an arrangement for implementation of that method for obtaining safer and quicker upshifts while maintaining gear change comfort, using...
5547056 Oil dam coupling  
An oil dam coupling for connecting an output shaft of a transmission arrangement to an input shaft of a pump assembly. The oil dam coupling includes a first member splined to the output shaft and a...
Matches 1 - 50 out of 212 1 2 3 4 5 >