| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 267640280 | Including means for charging or discharging spring | 8 |
| 20080296815 | Pressure Medium Connector Unit for a Vehicle Gas Spring - In at least one embodiment of the present invention a connector unit for a pressure medium connection between an outer connection part and a spring head of a vehicle gas spring is provided. The connector unit comprises a line configured to be connected to an inner connection part and the outer connection part and is elastically deformable in at least regions during relative rotation movement of the spring head. The line has a deformation section between an end-side line section and an outer line section. The deformable section is disposed in a region of the spring head which is offset to the spring axis and is of helical configuration. | 12-04-2008 |
| 20080315470 | Gas spring - The invention relates to a gas spring which uses a compensating medium acting on a compensating piston in order to compensate the dependence on temperature of its characteristic. According to a first aspect of the invention, a compensating medium ( | 12-25-2008 |
| 20110018180 | PNEUMATIC SUSPENSION SPRING FOR A WHEELED VEHICLE - Various embodiments of an air spring end closure are disclosed. One has an outer part and an inner part joined together to provide a moment of inertia along an axis that is transverse to axial expansion and contraction of the air chamber that is greater than that of the outer part alone. Another has a part that is concave toward the chamber and contains one of a riser and a depression having a generally rectangular shape whose length runs transverse to the direction of expansion and contraction and that is widthwise centered on a diameter of the part. Still another has a part having an elliptical perimeter margin curled onto a similarly shaped axial end of a sleeve that provides the axial expansion and contraction. | 01-27-2011 |
| 20110042869 | Hydro-Pneumatic Piston Accumulator - The invention relates to a hydro-pneumatic piston accumulator ( | 02-24-2011 |
| 20120098172 | GAS SPRING CONTROL SYSTEM AND METHOD - A vehicle suspension system includes a pump, a gas spring, and an accumulator. The suspension system also includes a controller for adjusting the suspension system. The controller has a processing circuit configured to receive a measure of gas in the spring. The processing circuit is further configured to calculate a difference between a target value and a current value based on the received measure of gas. The processing circuit is also configured to provide an output for adjusting the gas in the spring in response to the calculated difference. | 04-26-2012 |
| 20120193845 | COMPRESSOR AND AIR SUSPENSION APPARATUS USING THE SAME - A compressor has a brush motor having a coil and brushes, a motor housing accommodating the brush motor, and a reciprocating compressor body in which a crank is rotationally driven by the brush motor to reciprocate a piston in a cylinder, thereby compressing a gas sucked in from a suction port and discharging the compressed gas from a delivery port. The compressor has a gas intake flow path configured such that the gas cools the brushes in the motor housing before cooling the coil and flowing to the suction port. | 08-02-2012 |
| 20150028529 | VALVE FOR A VEHICLE SUSPENSION SYSTEM - A valve assembly for a suspension system includes a housing including a first port, a second port, and a third port, the housing defining a first flow path extending between the third port and the first port and a second flow path extending between the third port and the second port. The valve assembly further includes a first check valve having a first crack pressure positioned within the housing along the first flow path and a second check valve having a second crack pressure positioned within the housing along the second flow path. A difference between the first crack pressure and the second crack pressure provides a corresponding difference in pressures at the first port and the second port. | 01-29-2015 |
| 20160144683 | CLOSING COVER WITH INTEGRATED PRESSURE RETENTION VALVE HOUSING FOR AIR SPRING APPLICATIONS - A closing cover assembly for an air spring includes a first portion defining a first internal space constructed and arranged to receive a portion of an air spring. A second portion is integral with and extends from the first portion. The second portion defines a second internal space. A passageway connects the first internal space with the second internal space. A pressure retention valve having a main body is received in the second internal space, with the second portion of the cover defining an outer protective housing for the main body of the pressure retention valve. | 05-26-2016 |
