| 摘要 |
<p>SPEED RETARDER CONTROL SYSTEM The speed retarder control system includes a plurality of solenoid valves and reducing valves so arranged to receive pressure influenced hydraulic fluid and release said hydraulic fluid to a hydraulic fluid responsive vehicle retarder at a substantially lower pressure. The fluid pressure experienced by the retarder can be incrementially varied to result in varying degrees of vehicle retardation.</p> |
