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Vehicle mounted toilet seat

An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.

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Class 60/448 - By means sensing rotational speed of output motor


Subclass of Class 60 - Power plants
Definition: Apparatus in which the controlling structure is actuated
No. of patents: 92
Last issue date: 04/20/2010


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NumberTitleIssue Date
7698891Travel motion control apparatus for hydraulically driven vehicle, hydraulically driven vehicle and wheel hydraulic excavator
The present invention includes: a hydraulic pump 10 that is driven by a driving motor; a travel motion motor 12 that is driven with pressure oil supplied from the hydraulic pump 10; a travel motion control valve 11 that controls a flow ra...
04/20/2010
7416045Dual hydraulic machine transmission
The modular transmission uses only a pair of small and light hydraulic machines of remarkably improved volumetric efficiency with pistons having body portions substantially as long as the axial length of the respective cylinders in which they reciprocate. The two hy...
08/26/2008
7398648Travel control device for hydraulically driven vehicle and hydraulically driven vehicle
The present invention includes a hydraulic pump 10 driven by a prime mover 1, a traveling motor 12 driven with pressure oil delivered from the hydraulic pump 10, a control valve 11 for traveling that controls a flow rate of the pre...
07/15/2008
7349814Measurement method and arrangement
The invention relates to a method and an arrangement for measuring a liquid flow in connection with a pump system. The invention is preferably implemented in a pump system where the pump (240) is driven by an alternating-current motor (230), whose rota...
03/25/2008
7269946HST drive circuit
The present invention makes it possible, in an HST drive circuit wherein an HST pump and an HST motor have been separately stored in a pump case and a motor case, to efficiently cool the HST drive circuit. A cooling line for, while discharging a relief oil from a ch...
09/18/2007
7247124Transmission control based on knock level
An automated method for controlling a vehicle having an engine and a transmission includes sensing knock activity in the engine. A transmission ratio applicable to the transmission is selected based on the sensed knock activity. This method allows a vehicle to be op...
07/24/2007
7243755Drive mechanism for a mobile vehicle
A drive mechanism for a mobile vehicle has one first hydraulic motor (9) and one second hydraulic motor (10) which are in permanent operative connection via a summarizing transmission (12, 14) and drive one output shaft (17). In order to ...
07/17/2007
7240489Drive system of a working vehicle
A drive system of a working vehicle including a main engine drivingly connected to a hydraulic pump. The hydraulic pump is connected to first and second hydraulic motors. When an undesirable operating condition is detected, a control device shifts an actuator associ...
07/10/2007
7192374System and method for controlling a continuously variable transmission
A method of controlling a continuously variable transmission includes sensing an output speed of a motor, determining an upper speed limit based on the output speed of the motor and a positive torque limit associated with the motor, determining a limited motor speed...
03/20/2007
7163077Frame structure of a vehicle
A frame structure of a vehicle includes a flywheel housing, an intermediate housing and a transmission case that are connected to each other along a longitudinal axis of the vehicle to constitute a vehicle frame with an inner space for accommodating a running-power ...
01/16/2007
7146263Predictive load management system
A predictive load management system is provided. A power source is operable to generate a power output and has a desired operating range. A transmission has a drive member operably engaged with the power source and a driven member. A control system is operable to re...
12/05/2006
7143579Velocity control of agricultural machinery
The apparatus is an automatic velocity control system for an agricultural machine. Three feedback circuits are used to increase reliability and repeatability of the apparatus despite variations in load and ground conditions and non-linear responses of control compon...
12/05/2006
7082758Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof
In a hydraulic machine, hydraulic pump failure is detected and the pump lifespan is estimated before the pump failure occurs. The discharge pressure 122, oil temperature 126, and drain filter differential pressure 120 are measured, a correlative...
08/01/2006
7022044Drive train for powering a mobile vehicle
To reduce the structural volume of a drive engine (1) in a drive train of a mobile vehicle, in particular a working machine such as a wheel loader, a continuously adjustable transmission gear is arranged between the drive engine (1) and a hydraulic pum...
04/04/2006
6904993Hydrostatic drive and method for operating such a hydrostatic drive
A hydrostatic drive (1) with a hydraulic pump (3) and a plurality of hydraulic motors (6-9) that are hydraulically linked with the hydraulic pump (3). One speed sensor (20; 21; 22; 23) each allocated to a respective hydraulic motor...
06/14/2005
6848254Method and apparatus for controlling a hydraulic motor
A method and apparatus for controlling the motor output speed of a variable displacement hydraulic motor are disclosed. The method may include determining a value indicative of a motor output speed, determining a value indicative of a desired motor output speed, det...
02/01/2005
6807809Motion stop control for vehicle
A vehicle, such as a loader, has an operator-controlled hydrostatic drive that includes hydrostatic motors to drive wheels. The speed of the motors is proportional to an operator input provided to a controller that regulates the flow of hydraulic fluid from a pressu...
10/26/2004
6688102Traveling control device
The present invention discloses a traveling control device, including a crawler type right and left traveling body; a right and a left hydraulic motor for operating the right and left traveling body said right and left hydraulic motors each having a pump ...
02/10/2004
6684635System and method for controlling motor torque
A method is provided for controlling a torque output of an hydrostatic motor in fluid communication with a variable displacement pump. At least one of the motor and pump has variable displacement capabilities. The method includes monitoring at least one m...
02/03/2004
6651428Hydraulic drive device
Differential pressures across flow control valves 6a, 6b and 6c are controlled by pressure compensating valves 7a, 7b and 7c to be held at the same value, i.e., a differential pressure ƊPLS, and the differential pressure ƊPLS is maintained at a target d...
11/25/2003
6581710Operator selected maximum speed and recalibrated pedal range for a vehicle
A control system sets a set maximum speed of a utility vehicle, below the capable maximum speed of the vehicle, and recalibrates speed output signals corresponding to the set maximum speed. The system includes a microcontroller and a user-operated vehicle...
06/24/2003
6578358Motion stop control for vehicle
A self-propelled vehicle, such as a loader, has a hydrostatic drive that includes hydrostatic motors to drive ground engaging wheels under control of the operator. The rotational speed of the motors is proportional to an operator control input provided to...
06/17/2003
6519937Control method for continuously variable transmission
A hydrostatic continuously variable transmission includes a fixed capacity hydraulic pump and a variable capacity hydraulic motor, connected by a hydraulic closed circuit. A control system and method for the variable transmission provides a good decelerat...
02/18/2003
6481314Vehicle travelling control apparatus
The present invention provides a vehicle traveling control apparatus for a vehicle with an HST and a mechanical transmission, which are connected in tandem to each other and interposed in a traveling power transmission path between a driving power source ...
11/19/2002
6385970Underspeed control system for a hydromechanical drive system and method of operating same
An apparatus for controlling load on an engine is disclosed. The apparatus includes a continuously variable transmission driven by the engine. The apparatus further includes an engine speed sensor being adapted to sense the output speed of the engine and ...
05/14/2002
6343470Control method for hydrostatic type continuously variable transmission
An overtop position is to be established in a hydrostatic type continuously variable transmission, and an increase of the maximum speed and the maintenance of power performance are to be made compatible with each other. In a hydrostatic type continuously ...
02/05/2002
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
6269635Control and hydraulic system for a liftcrane
A control system for a liftcrane that utilizes a closed loop hydraulic system that utilizes feed back and feed forward control architecture to provide responsiveness normally associated with systems that do not require feedback....
08/07/2001
6131391Control system for controlling the speed of a hydraulic motor
A control system for a hydraulic circuit having a tank, a pump, a supply conduit connected to the pump, a reversible hydraulic motor, an input conduit connected to the motor and an output conduit connected to the motor is disclosed which comprises a first...
10/17/2000
6085520Slide driving device for presses
A slide driving device employs a variable-displacement pump/motor for driving a rotating element of the slide driving device. The displacement volume of the variable-displacement pump/motor, whose output drives the slide, is varied in response to deviatio...
07/11/2000
6080074Process for precise adjustment of a hydrostatic and mechanical torque division gearing
A hydrostatic/mechanical multiple path power transmission comprises an adjustable hydrostat unit (4), a summing planetary gearbox (10) with two input shafts (6, 8) and at least two output shafts, and a step gearbox (11) connected to the output shafts. In ...
06/27/2000
5996343Overspeed control system for a hydro-mechanical drive system
In one aspect of the present invention, an apparatus for controlling the negative load of an engine is disclosed. The engine is drivingly connected to a hydro-mechanical drive system that includes a variable displacement pump and motor. An engine speed se...
12/07/1999
5974797Hydraulic actuator package
A hydraulic actuator package of the present invention comprises a variable displacement hydraulic motor for driving an inertia object with acceleration or deceleration, a speed sensor for detecting a speed of an output shaft of the hydraulic motor, a cont...
11/02/1999
5933795Speed sensing device
A speed sensor for sensing the speed and direction of a hydrostatic motor or pump measures the speed, monitors an operator input, processes this information and generates a high power output to drive a solenoid valve or electrical displacement control. Th...
08/03/1999
5784883Method of controlling speed change of hydraulic drive device for vehicle and speed change device
The present invention relates to a method of controlling a speed change of a hydraulic driving apparatus for a vehicle and to a speed changing device which provide excellent traveling efficiency and controllability. To this end, the method of controlling ...
07/28/1998
5671137Response control system for hydrostatic-mechanical transmissions
A response control system for a hydrostatic-mechanical transmission. In this system, it is determined in digging/moving operation whether an actual speed ratio which is the ratio of the revolution speed of the output shaft to the revolution speed of the p...
09/23/1997
5660041Process for adjusting the characteristics of infinitely variable transmissions of a vehicle
A process for adjusting the characteristics of infinitely variable transmissions of a vehicle with two drive mechanisms including detecting the output speeds of the transmissions and comparing them by means of an operating variable to determine the gear r...
08/26/1997
5638678Hydraulic drive system
A hydraulic drive system includes a first driven hydrostatic machine adjustable in volume and operating as a pump supplying fluid to a supply line for maintaining an impressed pressure therein, a second hydrostatic machine which is adjustable in volume an...
06/17/1997
5628187Method to calibrate a hydrostatic transmission with electronic controls
A method for putting into operation a vehicle with an electronically controlled automotive hydrostatic transmission, wherein an output current of an electronic control by means of at least one proportional pressure-reducing valve is used for generating a ...
05/13/1997
5592817Forklift controller
The forklift controller changes the speed of the actuator, corresponding to the operational angle of the lift lever, and then changes the vehicle speed, corresponding to the amount of depression of an accelerator. This allows the controller to control the...
01/14/1997
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