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Patent No. 5979328

Vehicular Impact Signaling Device

An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.

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Class 475/80 - Plural speed ranges


Subclass of Class 475 - Planetary gear transmission systems or components
Definition: Subject matter wherein the fluid drive provides a stepless
No. of patents: 99
Last issue date: 05/25/2010


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NumberTitleIssue Date
7722493Power-branched transmission and method for the operation of such a transmission
A power-branched transmission, particularly for agricultural vehicles such as tractors or similar, includes a stepped planetary gear which is disposed between an input shaft and an output shaft and is used for dividing the power supplied at the input shaft onto a me...
05/25/2010
7361111Power branching transmission for motor vehicles
A power branching transmission suitable for motor vehicles having an internal-combustion engine which drives an input shaft of the power branching transmission has several branches comprising at least one power shift transmission with a number of gears and has an ou...
04/22/2008
7357744Hydro-mechanical continuously variable transmission
The invention comprises a hydro-mechanical continuously variable transmission (HMCVT) that uses a planetary gear system to provide a combination of hydraulic and mechanical power for a vehicle or stationary equipment. The invention further comprises various ancillar...
04/15/2008
7354369Working vehicle
In a working vehicle, a variable output HST and a planetary gear unit are connected with an engine, which is supported on a vehicle frame closer to a first side of a fore and aft direction of the vehicle in vibration free manner so as to together constitute a drivin...
04/08/2008
7344465Drive system for a machine
A machine, including a hydraulic pump and one or more hydraulic implements connected to the hydraulic pump. The machine may also include a hydraulic motor connected to the hydraulic pump and one or more propulsion devices. Additionally, the machine may include drive...
03/18/2008
7335125Continuously variable transmission
The present invention has a dual sun planetary gearset, as well as a dog clutch or other type of shifting device, which allows for the hydrostatic unit to operate in a reverse direction in similar fashion to how it operates in a forward direction, thereby increasing...
02/26/2008
7303498Transmission apparatus for a working vehicle
A working vehicle comprises: a power source having an output shaft; axles; a cargo deck; and a transmission apparatus for driving axles disposed below the cargo deck. The transmission apparatus includes an input shaft drivingly connected to the output shaft of the p...
12/04/2007
7241242Two-mode compound-split hydraulic continuously variable transmission
A two-mode compound-split hydro-mechanical powertrain employs a hydro-mechanical continuously variable transmission having two hydraulic units, at least two torque-transmitting mechanisms, and a planetary gear arrangement for combining the output of an engine and th...
07/10/2007
7226378Driving device for automatically exerting a variable torque on an output shaft that rotates at a constant speed
A driving device includes a power supply unit and a torque converter. The power supply unit outputs a constant power. The torque converter has a gear train that is connected to the power supply unit and interconnects a flywheel and an input shaft in order to respect...
06/05/2007
7201702Drive mechanism for a mobile vehicle
A drive mechanism for a mobile vehicle having two motors, the torque of which is added up on a common output shaft (30), one motor being connectable with the output shaft (30) via a first reduction gear step (28) or a second reduction gear step ...
04/10/2007
7150693Hydrostatic transmission and power train for vehicle
A hydrostatic transmission for vehicle interposed in a drive-power transmission path between a driving power source and a driving axle for non-stepwisely changing the speed of the vehicle includes an HST housing; a hydraulic pump unit having a pump shaft with first ...
12/19/2006
7090601Tractor hitch transmission
The invention involves an agricultural machine with a drive train to be coupled onto the power take-off shaft of a tractor, with a transmission integrated into the drive train. In these types of agricultural machines it is frequently necessary, after starting at a h...
08/15/2006
7063638Continuously variable hydro-mechanical transmission
A transmission for use with a power source and a load includes a primary sun gear adapted to be coupled to the power source, a hydrostatic power unit including a pump coupled to a motor, a ring gear driven by the motor, a secondary sun gear coupled to a first output...
06/20/2006
6997838Parallel hydromechanical underdrive transmission
An axial piston pump and an axial piston motor, mounted in a housing each have a rotating element and a non-rotating element. Each non-rotating element is mounted for tilting movement about axes transverse to the axes of rotation of the rotating element, on trunnion...
02/14/2006
6949854Method and apparatus for a continuously variable-ratio transmission
A method and apparatus for providing a continuously variable transmission (CVT) is described. The CVT comprises permanent magnets to couple power, a coefficient of coupling controlled by an electronic servo control loop. Wherein torque multiplication is achieved by ...
09/27/2005
6939261Compact vehicle transmission
A small engine transmission having a hydromechanical transmission unit providing a first power path, and a mechanical power transmission unit providing a second power path. The mechanical power transmission is a planetary gear system having a planetary carrier. The ...
09/06/2005
6918850Working vehicle
In a working vehicle, a variable output HST and a planetary gear unit are connected with an engine, which is supported on a vehicle frame closer to a first side of a fore and aft direction of the vehicle in vibration free manner so as to together constitute a drivin...
07/19/2005
6904997Compact vehicle transmission
A compact vehicle has a frame and an operating position thereon for at least one rider. An engine having a drive shaft is on the frame, as are a plurality of operational wheels. A transmission operatively couples the engine and the wheels. The transmission is a hydr...
06/14/2005
6821226Method for controlling the shifting sequence of a continuous automatic transmission, especially a motor vehicle, comprising gear step changeovers
The method serves for the shift sequence control of a continuous automatic transmission, especially of a motor vehicle, having gear-stage switchover. The transmission ratio of the automatic transmission is adjustable within a set gear stage by means of an adjusting ...
11/23/2004
6773368Variable speed vehicle powertrains
A power dividing device for a vehicle transmission to provide two rotating outputs having variable relative speed of rotation from a single rotatable input. The device includes a first rotational element and a second rotational element housed within the first elemen...
08/10/2004
6761658Four mode hydro-mechanical transmission
An infinitely variable four mode hydro-mechanical transmission has a planetary system including three planetary gear sets, four clutches and a reverse brake. A first hydrostatic unit is geared to the second row ring of the planetary system. A second hydrostatic unit...
07/13/2004
6616559Continuously variable transmission
A hydraulic and mechanical composite continuously variable transmission (HMT) is disclosed. The HMT includes a hydraulic continuously variable transmission (HST) and a mechanical speed change mechanism using a group of planetary gears as the differential ...
09/09/2003
6565471Continuously variable hydro-mechanical transmission
A continuously variable hydro-mechanical transmission. The transmission includes a transmission housing and a hydrostatic power unit associated with the housing. The hydrostatic power unit includes a pump coupled to a motor with the hydrostatic power unit...
05/20/2003
6530855Parallel hydromechanical underdrive transmission
A parallel hydromechanical continuously variable transmission has a housing (107) that holds a make-up pump (52), and has internal cavities for holding operating assemblies of the transmission, including an axial piston pump (50) and an axial piston motor...
03/11/2003
6450912Hydromechanical transmission having a continuously variable transmission ratio
A transmission comprises: an input shaft intended to be coupled to a motor; an output shaft; an epicyclic reduction unit with an input sun wheel, a ring gear and first and second output shafts respectively fast and slow; a first clutch for connecting the ...
09/17/2002
6435999Continuously variable transmission and method of controlling the same
A continuously variable hydrostatic transmission in which a fixed displacement hydraulic pump and a variable displacement hydraulic motor are disposed on a drive axle, and connected via a closed hydraulic circuit. The continuously variable hydrostatic tra...
08/20/2002
6394925Hydrostatic mechanical torque divider transmission with four areas
A power-split gear consists of an adjustable hydrostatic unit (5), of a five-shaft summing gear (9) with a first, second and third output shaft, and of a range gear. So that the gear can be manufactured and controlled more easily, the range gear consists ...
05/28/2002
6393945Apparatus and method for preventing hunting between ranges in a continuously variable transmission
A transmission assembly having a continuously variable transmission, a mechanical transmission coupled to the continuously variable transmission for selecting a first gear range and a second gear range, and a controller for receiving operator inputs and g...
05/28/2002
6338689Hydromechanical transmission
A hydromechanical transmission includes a hydrostatic transmission driven by an engine and drivingly connected to a planetary gear set. A plurality of clutches are associatable with the ring gear or elements of the planetary gear set for establishing a co...
01/15/2002
6283883Power transmission system
A power transmission system includes a rotatable and drivable first shaft (1a) adapted for co-action with a motor (1c) included in a planetary gear arrangement (P), and further includes a second shaft (8) that can be driven by the planetary gear arrangeme...
09/04/2001
6276134Apparatus for controlling a plurality of hydraulic motors and a clutch
An apparatus, for controlling a plurality of hydraulic motors and a clutch for driving a drive shaft, can prevent a speed change shock and a load slip of a hydraulic motor as well as making a structure simple. The apparatus includes: a first volume variab...
08/21/2001
6139458Hydrostatic/direct drive transmission system and associated method
The transmission system and associated method includes a drive shaft having a first input connected in rotatable communication with an output of a hydrostatic drive, and a second input adapted for connection in rotatable communication with a clutch select...
10/31/2000
6086501Hydro-mechanical transmission
A hydro-mechanical transmission (2) with a simple construction and which can make full use of its advantages is provided. In a hydro-mechanical transmission in which a hydraulic power transmitting mechanism (10), having a hydraulic pump and a hydraulic mo...
07/11/2000
6039666Hydraulic and mechanical transmission apparatus
A power of an input shaft driven by an engine is divided by a power dividing device and transmitted to first and second output shafts and a hydraulic pump of a hydrostatic continuously variable transmission is driven by the first output shaft, whereas a h...
03/21/2000
6033332Continuously variable transmission
The invention comprises an all gear mechanism for a continuously variable transmission that provides a wide range of output speeds and torque. The basic elements of the transmission are two planetary gear sets used as a power divider and a power combiner ...
03/07/2000
6001038Method of controlling a power distribution hydromechanical branched transmission in uncertain gear positions
Described is a method of controlling a power distribution hydromechanical branched transmission consisting of an adjustable hydrostatic unit (4), an integrating planetary gear (10) with at least two outputs (26, 27) and, connected to the integrating plane...
12/14/1999
5997426Variable speed power transmission apparatus
A variable speed power transmission apparatus having an epicycle reduction gear device that has planetary gears whose shafts are supported at equal intervals circumferentially thereof by carriers fixed to an output shaft thereof. The planetary gears are m...
12/07/1999
5976046Multi-range, hydromechanical transmission for application in high performance automotive drivetrains
A multi-range, synchronous shifting, hydromechanical transmission according to the present invention is suitable for application in an automotive drivetrain including a high speed engine. The transmission receives split power inputs from the engine; one i...
11/02/1999
5931758Simplified multi-range hydromechanical transmission for vehicles
A hydromechanical transmission receives split power inputs from a vehicle engine, one split input driving a hydrostatic power unit and the other split input driving a mechanical power input. The infinitely variable hydrostatic power output is combined in ...
08/03/1999
5890982Continuous hydrostatic-mechanical branch power split transmission particularly for power vehicles
A hydrostatic/mechanical branch power split transmission for power vehicles is disclosed. The transmission includes an infinitely variable hydrostatic converter having a first hydrostatic unit of adjustable volume and a second hydrostatic unit. The transm...
04/06/1999
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