Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7571605 | Synchronized speed shifting of multiple motors A system and method for substantially simultaneously shifting the speed of a plurality of multiple-speed motors that have shifting valves. The system and method includes substantially simultaneously applying an equal shifting force to all shifting valves, resisting ... | 08/11/2009 |
| 7412828 | Adjustable hydraulic motor apparatus A hydraulic motor assembly having a hydraulic motor mounted in a motor housing and an axle mounted in a separate axle housing. A ring gear and a port block are mounted between the motor housing and the axle housing. A swash plate is mounted in the motor housing and ... | 08/19/2008 |
| 7383913 | Hydraulic transaxle and vehicle comprising it A hydraulic transaxle including: a variable displacement hydraulic motor with a movable swash plate whose tilt angle defines a displacement of the hydraulic motor; a casing incorporating the hydraulic motor; and a mechanism for determining a range of the tilt angle ... | 06/10/2008 |
| 7356992 | Hydrostatic multi-motor drive With a hydrostatic multi-motor drive unit with a least two hydraulic motors acting upon a common load, a solution should be created, with which a further operating range is covered by the use of several motors and at the same time a simple as possible and problem fr... | 04/15/2008 |
| 7337869 | Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof A vehicle includes an integrated drive module coupled to an axle thereof. The module includes a hydraulic motor configured to provide motive power at an output shaft, and a differential for distributing the motive power to right and left portions of the axle. The hy... | 03/04/2008 |
| 7308790 | Adjustable hydraulic motor apparatus A hydraulic motor assembly having a hydraulic motor mounted in a motor housing and an axle mounted in a separate axle housing. A ring gear and a port block are mounted between the motor housing and the axle housing. A swash plate is mounted in the motor housing and ... | 12/18/2007 |
| 7240489 | Drive 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 |
| 7171808 | Hydraulic power supply system Multiple hydraulic machines are located in a common housing. The swashplates are located in longitudinal bores and the barrels in transverse bores. Valve housings are located on either side to accommodate control valves and circuitry. The barrels are mechanically co... | 02/06/2007 |
| 7137798 | Gear pump with variable throughput volume In a gear pump with variable throughput volume, with two meshed gears with external toothing which are rotatably held in the working chamber of a pump housing, at least one of the two gears is driven from a drive shaft and one of the gears, preferably the driven gea... | 11/21/2006 |
| 7127890 | Axle driving system An axle driving system which houses in a housing thereof a hydrostatic transmission, axles, and a driving gear train for connecting output means of the hydraulic transmission and axles, so as to transmit power from a driving source to the hydrostatic transmission an... | 10/31/2006 |
| 7127889 | Zero turn transaxle A hydraulic drive apparatus having a pair of hydraulic pumps and a pair of hydraulic motors mounted on a common center section in a housing is disclosed. Each hydraulic motor is engaged to an adjustable swash plate located in the transmission housing for adjusting t... | 10/31/2006 |
| 7086227 | Hydrostatic vehicle driving system applicable to a working vehicle A hydrostatic vehicle driving system structured from an engine to a drive axle in a working vehicle. A hydraulic pump driven by the engine and a variable displacement hydraulic motor for driving the drive axle are fluidly connected with each other through a hydrauli... | 08/08/2006 |
| 7086225 | Control valve supply for rotary hydraulic machine A variable capacity hydraulic machine has a rotating group located within a casing and a control housing secured to the casing to extend across and seal an opening in the casing. The control housing accommodates a control circuit and a pair of sensors to sense chang... | 08/08/2006 |
| 6997098 | Method and apparatus for driving hydraulic motors with agricultural tractors For connection to a hydraulic power supply of a tractor, wherein the tractor comprises a plurality of hydraulic supply circuits, and wherein each hydraulic supply circuit comprises a pair of quick couplers for connecting the hydraulic supply circuit to a hydraulic d... | 02/14/2006 |
| 6988571 | Crawler tractor The purpose of the invention is to enable a crawler tractor to brake and stop certainly without applying a load to an engine and a driving mechanism, and without complicated operation. An operation link links a conic linkage (53) which links a steering wheel ... | 01/24/2006 |
| 6953416 | Traveling gear for an agricultural working machine A traveling gear for an agricultural working machine configured to adjust an engine speed so as to control the traveling speed of the agricultural working machine for road travel. The traveling gear generally controls the traveling speed of the machine by controllin... | 10/11/2005 |
| 6941688 | Hydraulically powered vehicle, and engine rotational speed control method for hydraulically powered vehicle During idling control with an acceleration switch ON, operation of the accelerator pedal is stopped. When stoppage of the operation of the accelerator pedal is detected for a predetermined time period, along with closing a slowdown switch, an idling changeover switc... | 09/13/2005 |
| 6915631 | Forward/backward switching control apparatus for hydraulic drive vehicle, and control method therefor A forward/backward switching control apparatus for a hydraulic drive vehicle that includes the following structures. A variable displacement type hydraulic pump driven by an engine for discharging pressure oil in both directions. An electromagnetic pump inclination ... | 07/12/2005 |
| 6860105 | Hydrostatic vehicle driving system applicable to a working vehicle A hydrostatic vehicle driving system structured from an engine to a drive axle in a working vehicle. A hydraulic pump driven by the engine and a variable displacement hydraulic motor for driving the drive axle are fluidly connected with each other through a hydrauli... | 03/01/2005 |
| 6775977 | Hydrostatic transmission A hydrostatic transmission includes a pump and a motor, each of which is an axial piston engine utilizing a swashplate design. The pump and the motor are located coaxially one behind the other and are connected to each other. To expand the range of possible uses of ... | 08/17/2004 |
| 6705080 | Axle driving apparatus An axle driving apparatus for being mounted on the body frame of a vehicle and for independently rotating drive wheel members. The axle driving apparatus includes a first axle driving unit (18L) having a housing (40) and a single axle (20L), the... | 03/16/2004 |
| 6668549 | Hydrostatic vehicle driving system applicable to a working vehicle A hydrostatic vehicle driving system structured from an engine to a drive axle in a working vehicle. A hydraulic pump driven by the engine and a variable displacement hydraulic motor for driving the drive axle are fluidly connected with each other through... | 12/30/2003 |
| 6571555 | Axle driving apparatus An axle driving apparatus for being mounted on the body frame of a vehicle and for independently rotating drive wheel members. The axle driving apparatus includes a first axle driving unit (18L) having a housing (40) and a single axle (20L), the single ax... | 06/03/2003 |
| 6550242 | Axle driving apparatus An axle driving apparatus for being mounted on the body frame of a vehicle and for independently rotating drive wheel members. The axle driving apparatus includes a first axle driving unit (18L) having a housing (40) and a single axle (20L), the single ax... | 04/22/2003 |
| 6385971 | Axle driving apparatus An axle driving apparatus for being mounted on the body frame of a vehicle and for independently rotating drive wheel members. The axle driving apparatus includes a first axle driving unit (18L) having a housing (40) and a single axle (20L), the single ax... | 05/14/2002 |
| 6324843 | Hydraulic-mechanical type continuously variable transmission for vehicle To moderate the efficiency of engine braking when it is applied while a continuously variable transmission produces a large transmission ratio. Such a continuously variable transmission is constituted by a hydraulic pump having an input rotary member conn... | 12/04/2001 |
| 6301884 | Brake design for a hydrostatic transaxle A brake design for a hydrostatic transaxle having a center section mounted in the transaxle housing and a pump and motor mounted on the center section. A disk brake assembly having at least one rotor is connected to the motor shaft and is entirely mounted... | 10/16/2001 |
| 6256988 | Rider transaxle having improved hydrostatic transmission An improved hydrostatic transmission which is compact, reliable and economical to manufacture, including a novel means for reducing the speed of the input to the transaxle using both hydraulics and mechanical gearing; an improved differential which is str... | 07/10/2001 |
| 6151895 | Hydrostatic transmission system An object of the present invention is to provide a hydrostatic transmission system integrally constructed without being large-sized while incorporating a variable displacement motor therein. In order to accomplish the object, a casing 11 has a variable displac... | 11/28/2000 |
| 6125630 | Axle driving apparatus An axle driving apparatus includes a first axle driving unit (18L) having a housing (40) and a single axle (20L). An enlarged region is defined by the housing (40), with the enlarged region extending substantially perpendicular to the longitudinal axis of... | 10/03/2000 |
| 6109031 | Relief pressure controlling device used in vehicular hydraulic continuously variable transmission A relief pressure controlling device comprises a driving side relief pressure controlling valve, a capacity detector which detects the capacity of a hydraulic pump, and an engine throttle opening detector. When the hydraulic pump and the hydraulic motor w... | 08/29/2000 |
| 6085521 | Concentric axial piston transmission A continuously variable transmission includes a housing enclosing an axial piston pump and an axial piston motor arranged concentrically with respect to the pump. The pump and motor have cylinder blocks with axial cylinders, each receiving a piston. Pump ... | 07/11/2000 |
| 5896745 | Swashplate assemblies for infinitely variable hydrostatic transmissions An infinitely variable hydrostatic transmission includes an input shaft connected to drive a hydraulic pump unit, a grounded hydraulic motor unit, and an output shaft. A swashplate assembly is connected to impart output torque to the output shaft resultin... | 04/27/1999 |
| 5771758 | Axle driving apparatus having improved casing design An axle driving apparatus is provided an includes a main casing, a cap plate coupled to the main casing along a first split line where the first split line is substantially disposed in a horizontal plane, and an axle cap coupled to the main casing along a... | 06/30/1998 |
| 5766107 | Continuous hydrostatic power division transmission A continuous hydrostatic-mechanical power division transmission has at least two operating ranges between which it is switched by shift elements, with a first, mechanical part (II) including a planetary differential gear (13) and a second, hydrostatic par... | 06/16/1998 |
| 5724812 | Variable displacement apparatus and method of using same A variable displacement apparatus includes a pair of axially adjustable housing parts sealingly joined together to form a unitary pumping chamber. A pair of meshing elongated vanes or gears having a plurality of teeth disposed within the chamber in a mesh... | 03/10/1998 |
| 5659485 | Discharge flow control system and method in hydraulic pump A discharge flow control system and method of a hydraulic pump driven by an engine for the minimization of the difference between a discharge mount of flow in the pump and total mount of operating oil necessary to operate each actuator in hydraulic equipm... | 08/19/1997 |
| 5613409 | Axle driving apparatus having improved casing design An axle driving apparatus is provided an includes a main casing, a cap plate coupled to the main casing along a first split line where the first split line is substantially disposed in a horizontal plane, and an axle cap coupled to the main casing along a... | 03/25/1997 |
| 5561979 | Control arrangement for a hydrostatic system In many hydrostatic systems, the variable displacement pump is controlled by an operator moving a directional control valve to provide pressurized fluid to the displacement changing mechanism thereof which in turn varies the displacement responsive to the... | 10/08/1996 |
| 5560447 | Drive transmission for working vehicles A vehicle drive transmission includes a hydrostatic transmission (14) which comprises a hydraulic motor (16) of a variable displacement type. Swash plate (29) of this motor is displaced from its neutral position in one direction in a stepwise manner to pl... | 10/01/1996 |
