From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Patent document describing an invention for maintaining constant pressure in a pump system.
| Identifier | ExFiles\Box 147\4\ scan0103 | |
| Date | 4th October 1940 guessed | |
| No. Patentes. Title. According to present invention the timing is responsive to delivery of first mentioned pump only. An overflow pipe is arranged in the feed pipe by which, for all delivery amounts that occur the pressure in that part of the pipe behind the adjusting means is maintained substantially constant. ---------------------------- | ||