Heavy-duty Air Suspension

IN suspension systems employing air I cushions, it is important that they be relieved of all stresses other than direct compression, and patent No. 861,049 shows a scheme......

The Control Of Powered Steering

O NE of the aims of a power-steering control mechanism shown in patent No. 860,427 is to give the driver " feel." Other advantages are that there is no lost motion and also, a......

Desmodromic Valve Mechanism

'THE use of springs for closing valves I has its limits and for high-speed engines, proposals have often been made to open and close the valves by positive action. A scheme of......

Injection Pump Modifications

T HREE patents, numbered 861,753, 861,754 and 861,755, deal with improvements in injection pumps. The chief feature is that the injection point is determined by the pressure......

Air And Coil-spring Suspension

A SUSPENSION system disclosed in r - k patent No. 861,127 makes use of coil springs and compressed-air bellows. The aim is to produce a system that will accommodate itself to......