| Patent Number |
Title Of Patent |
Date Issued |
| 5810127 |
Proportional valve |
September 22, 1998 |
| A proportional valve for a hydraulic dashpot with a piston and cylinder. The piston travels back and forth in the cylinder on the end of a rod, accommodates pressure-dependent valves for hydraulic fluid to travel back and forth through during both the compression and decompression phases |
| 5685659 |
Pivot for articulating the load-bearing components of a jack |
November 11, 1997 |
| Pivot for articulating the load-bearing components of a jack. The pivot comprises a shaft that rotates in a bore. The components are lengths of U section or have lateral flanges or upright edges that overlap in the vicinity of the pivot. The object is to decrease the weight of the jack. |
| 5579876 |
Stopper for a hydraulic dashpot |
December 3, 1996 |
| A stopper for a hydraulic dashpot for a motor vehicle. The dashpot essentially comprises a piston and cylinder. The cylinder is occupied by fluid and is divided into two chambers by a piston. The piston is mounted on the end of a rod that travels into and out of the cylinder. The stopper |
| 5540309 |
Hydraulic cylinder sealing structure |
July 30, 1996 |
| A regulable hydraulic dashpot for motor vehicles with a shock-absorption piston equipped with pressure-sensitive throttle valves traveling back and forth on the end of a piston rod inside a shock-absorption cylinder full of shock-absorbing fluid and dividing the cylinder into two displac |
| 5533598 |
Hydraulic shock absorber for motor vehicles |
July 9, 1996 |
| A hydraulic dashpot for motor vehicles. It essentially comprises a fluid-filled shock-absorbing cylinder alone or accommodated in an outer cylinder and a piston that travels back and forth inside the shock-absorbing cylinder on the end of a piston rod. The piston rod extends through |
| 5462143 |
Controllable shock absorber for motor vehicles |
October 31, 1995 |
| A shock absorber for an automotive vehicle includes a damping cylinder having a cylinder chamber containing damping fluid; a damping piston axially slidably received in the damping cylinder and dividing the cylinder chamber into first and second work chambers; pressure-responsive val |
| 5451870 |
Sensor for measuring the difference between the velocity of a cylinder and a piston in a dashpot |
September 19, 1995 |
| A sensor for measuring the difference between the velocity and/or position of a vibration-suppressing cylinder and that of a piston connected to a piston rod and moving back and forth inside the cylinder in a dashpot for motor vehicles. The sensor consists of a permanent magnet and of a |
| 5435522 |
Vehicle lift |
July 25, 1995 |
| Jack with an upright (1) that rests on a base (8 or 19). An arm (3) that pivots around a horizontal axis (r) on the upright. The arm has a load accommodation (4) on its free end and engaging the bottom of the vehicle. The arm can be pivoted to various levels directly or by way of levers |
| 5409087 |
Hydraulic dashpot for motor vehicles |
April 25, 1995 |
| A hydraulic dashpot for motor vehicles. It has a cylinder that accommodates a fluid. A shock-absorbing piston travels back and forth in the cylinder and divides it into two displacement chambers. The piston is connected to a rod that extends through a centering component at one end of th |
| 5392883 |
Controllable hydraulic vibration dampener |
February 28, 1995 |
| A regulable hydraulic dashpot for motor vehicles. It features a shock-absorbing piston (1) and a shock-absorbing cylinder (2). The piston travels into and out of the cylinder on a rod (21). The piston divides the cylinder into two hydraulics compartments (3 & 4). The piston accommodates |
| 5388676 |
Hydraulic dashpot for motor vehicles |
February 14, 1995 |
| The invention is a hydraulic dashpot for motor vehicles. It comprises a shock-absorber cylinder and a shock-absorber piston and piston rod. The cylinder accommodates a shock-absorbing fluid. The piston divides the cylinder into two displacement compartments. The piston is connected to |
| 5375683 |
Controllable vibration damper for motor vehicles |
December 27, 1994 |
| A variable dashpot for motor vehicles. It comprises a vibration-suppressing piston-and-cylinder mechanism. The cylinder contains displacement fluid. The piston divides the cylinder into two displacement compartments. The piston has a piston rod attached to it. The piston is provided with |
| 5303803 |
Variable dashpot for motor vehicles |
April 19, 1994 |
| A variable dashpot for motor vehicles A cylinder (2) full of vibration-suppressing fluid accommodates a piston (3). The piston is provided with vibration-suppressing valves, is fastened to a piston rod (8), and separates the cylinder into two compartments. The compartments communicat |
| 5275378 |
Automotive jack |
January 4, 1994 |
| An automotive jack in which an upright leg is provided with a U-shaped cross-section and has a foot connected to an end of that leg. A supporting arm is connected to the leg at a pivot with a horizontal axis, whereby the supporting arm is pivotable about the horizontal axis. The jack is |
| 5254009 |
Controllable vibration damper for motor vehicles |
October 19, 1993 |
| A variable dashpot for motor vehicles A hollow piston rod is secured to the vehicle's body by a fastener The piston rod accommodates electric connections that extend to one or more sensors and/or one or more valves The connections are also connected by way of male and female connectors |
| 5238092 |
Spring leg of a chassis of a motor vehicle |
August 24, 1993 |
| The invention concerns a one-tube or two-tube shock-absorbing leg for the chassis of a motor vehicle. It has a sensor that measures the difference between the speed of the vehicle's body and that of its axis. The sensor comprises a winding and a permanent magnet. The sensor is accommodat |
| 5233293 |
Sensor for measuring the speed and/or position of a piston in relation to that of the cylinder i |
August 3, 1993 |
| A sensor for measuring the speed and/or position of a piston in relation to that of the cylinder it moves inside of in a dashpot of shock absorber for motor vehicles. The sensor consists of a permanent magnet (10) connected to the cylinder (1) and of a sensor winding (9) in the form of a |
| 5218308 |
Sensor for and method of detecting the position of a piston inside the cylinder of a dashpot |
June 8, 1993 |
| A sensor for and method of continuously detecting the instantaneous position of a piston in the cylinder of a dashpot with a protective cover, for motor vehicles. The sensor consists of a cylindrical coil (9) accommodated on or in the cover (3). The coil constitutes in conjunction wi |
| 5217206 |
Vehicle jack |
June 8, 1993 |
| A jack with a foot resting on the ground and with a supporting plate that rises away from the foot, lifts the vehicle, and pivots around one or more articulations on a supporting component around an axis paralleling the length of the vehicle. The object is to make it possible to compensa |
| 5199737 |
Method of controlling a semi-active chassis |
April 6, 1993 |
| A method of controlling the resilience of a vibration suppressor for motor vehicles with variable valves. The controls (RG) generate a parameter (I) for varying the resilience (D) and distinguish between once-only and periodic roadway excitation (x.sub.E), whereby the controls parameters |
| 5197714 |
Car lift |
March 30, 1993 |
| An automotive jack in which an upright member is provided with a pivotable base plate hinged on a first pivot at the bottom of the upright member. This upright member has a second pivot on which a supporting arm is turnable. The supporting arm is pivoted by an actuating device. A spring |
| 5191283 |
Method of measuring relative speed and regulating the in and out strokes in a motor-vehicle dash |
March 2, 1993 |
| The invention concerns a method whereby not only the relative speed of the body and axle but also a dashpot's farthest-in and farthest-out positions can be measured without using complicated and expensive sensors. Relative speed is detected with a known combination of sensor coil and per |
| 5184806 |
Jack |
February 9, 1993 |
| A jack (1) has a flat base (2) attached to a support (3) at the top by a lever-operated mechanism. The mechanism is activated by a threaded shaft (5) and nut (6). The nut has a coaxial gudgeon (10 & 11) on each side. The gudgeons extend across the axis (22) of an interior-threaded sectio |
| 5168965 |
Bypass valve with selective characteristics for controlled and adjustable dashpots |
December 8, 1992 |
| A bypass valve with selective characteristics for controlled and adjustable dashpots. It has pressure-activated check valves that are reversed by means of a slide that can assume two positions and is activated by an electromagnet. Springs can be designed to dictate the characteristic of |
| 5158266 |
Vehicle lift |
October 27, 1992 |
| A jack with a single leg, with a lifting arm that pivots around a stationary horizontal axis on the leg, with a threaded shaft that is articulated to the leg and engages the lifting arm either directly or by way of lever arms articulated to the leg, and with a manually operated crank |
| 5135251 |
Active oscillation damping sensor for measuring relative velocity between body and axle |
August 4, 1992 |
| Active and adaptable sensor for a dashpot for measuring the difference between the speed of the body of a motor vehicle and that of its axle. A piston rod travels through the sensor and induces a voltage in a winding that is accommodated along with a permanent magnet in a housing. The |
| 5118083 |
Car jack |
June 2, 1992 |
| A jack in which a base plate is pivotable on an upright to a bottom surface. A supporting arm is also pivotable on the upright, and is actuated for being pivoted. The base plate is held in a predetermined position by a spring which has two sections. A first section of the spring rest |
| 5096025 |
Two-way magnetic valve with bypass control |
March 17, 1992 |
| The invention concerns a two-way magnetic valve for controlling a bypass in a semi-active chassis. A valve slide is accommodated inside the piston of a vibration attenuator, where it slides back and forth subject to an electromagnet. |
| 5020781 |
Controls for a semiactive chassis |
June 4, 1991 |
| The invention concerns controls for a semiactive chassis on a motor vehicle that is provided with variable or power-regulated vibration attenuators. The results of various sensor measurements are supplied to a regulator that controls the settings in the vibration attenuators on the sky-h |
| 5011118 |
Jack |
April 30, 1991 |
| The invention concerns a jack (10) with at least one leg (12) and an arm (16) that is connected to it, that can move up and down with its position varied by an adjusting mechanism (26), and that has a supporting plate (40) at its outer and free end that pivots on a horizontal shaft (52) |
| 5009450 |
Vibration-absorber sensor for a semi-actively controlled chasis with a relative-velocity sensor |
April 23, 1991 |
| The invention concerns a vibration-absorber sensor for the semi-actively controlled chassis of a motor vehicle wherein the relative velocity of the wheel mass to the body mass is measured with a sensor winding and a permanent magnet and processed in a circuit. |
| 4765595 |
Scissor jack |
August 23, 1988 |
| A scissor jack has a leg having a lower end adapted to bear on the ground, a support arm having a lower end pivoted on an opposite upper end of the leg at an intermediate horizontal axis, and a load-bearing member engageable with the vehicle body and formed on an opposite upper end of |
| 4756393 |
Apparatus for varying the damping characteristics of a shock absorber |
July 12, 1988 |
| An apparatus for varying the damping characteristics of a shock absorber of the kind comprising a piston rod and an adjusting shaft mounted coaxially within the piston rod for rotation relative to the piston rod. Upon a change in its angular position relative to the piston rod, the adjus |
| 4673067 |
Adjustable shock absorber, especially for motor vehicles |
June 16, 1987 |
| An adjustable shock absorber for motor vehicles comprises a cylinder containing damping fluid, a piston rod arranged to be axially displaceable in the cylinder, and a damping piston secured to the inner end of the piston rod. The damping piston divides the cylinder chamber into two w |
| 4660686 |
Adjustable shock absorber, especially for motor vehicles |
April 28, 1987 |
| An adjustable shock absorber for motor vehicles has a cylinder containing damping fluid, a piston rod arranged to be axially displaceable in the cylinder, and a damping piston secured to the inner end of the piston rod. The damping piston divides the cylinder chamber into two working cha |
| 4494632 |
Piston guide and seal for dual-tube hydropneumatic shock absorber |
January 22, 1985 |
| A hydropneumatic shock absorber has an outer tube, an inner tube inside the outer tube, forming therewith an outer gas/liquid chamber and itself internally forming an inner chamber and a piston rod inside the inner tube. A body of liquid fills the entire inner chamber and partially fills |
| 4428566 |
Two-tube hydropneumatic shock absorber |
January 31, 1984 |
| A hydropneumatic shock absorber comprises an outer tube centered on an upright axis, an inner tube coaxially spaced inside the outer tube and forming therewith an outer gas/liquid chamber, a piston rod inside the inner tube, generally coaxial with the tubes, and forming with the inner |
