Spring devices – Vehicle – Comprising compressible fluid
Patent
1974-03-05
1976-05-18
Halvosa, George E. A.
Spring devices
Vehicle
Comprising compressible fluid
188269, 188352, F16F 943
Patent
active
039572595
ABSTRACT:
A piston and cylinder unit, such as a shock absorber which can be filled with pressurised gas. The piston rod is hollow and extends through a seal to communicate with the interior of the cylinder via a bore. The outer end of the hollow rod is adapted for connection to a source of pressurised fluid to permit pressurisation from the exterior across the seal. The piston rod may be integral or have a separate hollow portion for temporary connection thereto when the cylinder is to be pressurised.
REFERENCES:
patent: 2823915 (1958-02-01), DeCarbon
patent: 2992836 (1961-02-01), Vogel
patent: 3647199 (1972-03-01), Bhutani et al.
patent: 3760911 (1973-09-01), Porter et al.
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