| Patent Number |
Title Of Patent |
Date Issued |
| 7617905 |
Hydraulic steering device |
November 17, 2009 |
| A hydraulic steering device (1) of a mobile machine, in particular of an industrial truck, includes a steering angle transmitter (2) in mechanically functional communication with a steering valve (4). As a function of the actuation of the steering angle transmitter (2), the steering |
| 7617760 |
Valve device |
November 17, 2009 |
| A control valve device (1) for the control of a consumer (2), in particular of a dual-action consumer, includes a control valve (3) that controls the connection of an admission side of the consumer (2) with a pump and a return side of the consumer (2) with a reservoir. The control va |
| 7600377 |
Hydrostatic drive system |
October 13, 2009 |
| A hydrostatic drive system has a pump (1) and at least one consumer (5) controlled by a control valve (4) that can be actuated by control signals. A precharge device (10) that generates a precharge pressure is located in a reservoir line (7) that leads from the control valve (4) to a |
| 7591334 |
Industrial truck with a lateral maintenance opening |
September 22, 2009 |
| An industrial truck, in particular a reach truck or reach-fork truck, has a maintenance opening. At least the following components are accessible through the same maintenance opening: at least one electric connector (10, 16, 17), a hydraulic tank (4) for level monitoring and/or for t |
| 7565943 |
Mobile machine with an electric traction motor of a traction drive, an electric pump motor of a |
July 28, 2009 |
| A mobile machine, such as an industrial truck, has heat-emitting drive components (K) of a traction drive and a hydraulic work system. The traction drive includes at least one electric traction motor (3) and a traction motor control system (7). The hydraulic work system includes at l |
| 7559401 |
Hydrostatic drive system |
July 14, 2009 |
| A hydrostatic drive system has a travel drive (4) and working hydraulics (6). The working hydraulics (6) have a variable delivery pump (5) connected to the driving engine (1). The pump (5) is connected to a container (10) on the inlet side and delivers to a delivery line (11), to whi |
| 7540231 |
Control valve device for the control of a consumer |
June 2, 2009 |
| A control valve device (1) for the control of a dual-action consumer (2) has a control valve (3) that controls the connection of a pressure fluid line (6a) that forms the admission side of the consumer (2) with a pump and an additional pressure fluid line (6b) that forms the return side |
| 7514805 |
Drive axle having an electrical converter |
April 7, 2009 |
| A drive axle for a working machine, in particular an industrial truck, has at least one electrical traction motor (1 or 2) and a second electrical machine, the traction motor (1 or 2) being arranged in the axial direction. In order to extend the field of use of the drive axle, accord |
| 7503380 |
Industrial truck with a radiator and a filter |
March 17, 2009 |
| An industrial truck includes a radiator (3), a cooling air line (4), and a filter (6) that is located in the vicinity of the cooling air line (4). A cleaning device that can be effectively connected with the filter (6) can be integrated into the cooling air line (4). The cleaning device |
| 7467820 |
Industrial truck driver protection roof |
December 23, 2008 |
| An industrial truck driver protection roof has a frame with front-end and rear-end vertical load-bearing struts (T1-T4) that are located at a distance from each other in a transverse direction of the vehicle, and horizontal roof trusses (D1-D13) that are located in the roof area. The |
| 7467515 |
Hydrostatic drive system |
December 23, 2008 |
| A hydrostatic drive system has a consumer (7), in particular a hydraulic motor, located in the open circuit. Associated with the consumer (7) is at least one pressure limiting device (11a; 11b) that can be actuated in the braking phase for the generation of a braking pressure that is |
| 7455137 |
Industrial truck with force-transmitting door with double hinge |
November 25, 2008 |
| A counterweighted fork-lift truck has a vehicle frame (1) with a frame segment (2) having a lateral frame opening (2b). A pivoting door (3) covers the frame opening (2a). The door (3) is connected to the vehicle frame (1) by a double hinge (5). Protection against buckling is provided |
| 7448465 |
Machine with a steering axle with axle tree bolsters and axle bodies having individual component |
November 11, 2008 |
| An industrial truck has a steering axle with two axle tree bolster systems located at a lateral distance from each other. Each system has an axle body with an axle shaft (1) and an axle tree bolster (2) located on the lower end of the axle shaft (1). The axle tree bolster (2) and the axl |
| 7441494 |
Industrial truck having a lifting mast and tilting cylinders having an integrated hydraulic dist |
October 28, 2008 |
| An industrial truck includes a tiltable lifting mast (1), a first tilting cylinder (2), and a second tilting cylinder (3). The two tilting cylinders (2, 3) are of double-acting design and are connected hydraulically in parallel. Two hydraulic lines (5, 6) are provided for the purpose |
| 7431121 |
Drive section of a lift truck |
October 7, 2008 |
| A drive section of an industrial truck has a vehicle frame (1), a drive unit (4) having a steerable drive wheel, and at least one pivoting roller (5, 6) located at a lateral offset in relation to the drive wheel (4d). The vehicle frame (1), when viewed in the transverse direction of the |
| 7407038 |
Lifting framework for an industrial truck |
August 5, 2008 |
| A lifting framework for an industrial truck has an extendible mast guided on a guide mast by rollers. Means are provided for bracing the extendible mast with the guide mast so as to prevent the extendible mast from inclining in the lateral direction of the lifting framework relative to |
| 7331272 |
Multiple-stroke hydrostatic axial piston machine |
February 19, 2008 |
| A multiple-stroke hydrostatic axial piston machine has a plurality of piston-shaped displacement bodies (13) that can each move longitudinally in a displacement chamber (12) and are each supported by a roller body on a track (9) that is provided with axial cams (10) that generate a r |
| 7281619 |
Multiple-disk brake or clutch |
October 16, 2007 |
| A multiple-disk brake or clutch (1) includes at least one disk (2, 4) in a housing and at least one disk located on a shaft. Coolant is located in the housing (3). A coolant outlet (10) and a coolant inlet (7) of a cooling circuit (9) are located on the housing (3), whereby coolant can |
