Spring devices – Vehicle – Comprising compressible fluid
Patent
1975-02-06
1976-03-23
Marbert, James B.
Spring devices
Vehicle
Comprising compressible fluid
280124F, 188298, 188274, F16F 500
Patent
active
039456269
ABSTRACT:
A telescoping springing means for a vehicle, for example a motorcycle or automobile. The springing means comprises a first and a second telescopic member which are coaxial and are intended for attachment to respective relatively movable parts of the vehicle. One of the telescopic members forms an internal fluid-tight chamber which includes a plunger recess. A plunger is attached to the other of the telescopic members, projects into the chamber, and makes a fluid seal therewith. The plunger is adapted to enter the plunger recess to form a first decelerator for deceleration of contraction of the springing means. A pneumatic-hydraulic accumulator has a closed pneumatic section adapted to be filled with a gas under pressure and a hydraulic section filled with liquid. A movable wall separates the sections so as to equalize their pressures. A conduit connects the hydraulic section to the chamber.
A second decelerator is provided for deceleration of extension of the springing means. The second decelerator comprises a valve seat member attached to said one of the telescopic members, and a valving member attached to the plunger inside the chamber. The valving member is adapted to enter a decelerator recess in the valve seat member to cause expulsion of liquid therefrom, the restriction of this flow decelerating the extension motion. The decelerators tend to decelerate the respective motions, at least near the limit thereof.
REFERENCES:
patent: 3567244 (1971-03-01), Hoffmann et al.
patent: 3795291 (1974-03-01), Naito et al.
Marbert James B.
Mon Donald D.
Yamaha Hatsudoki Kabushiki Kaisha
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