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).
List of components for a filter housing and valve assembly, and an explanation of its function.
| Identifier | ExFiles\Box 51\3\ Scan137 | |
| Date | 24th May 1929 guessed | |
| contd :- -2- (1) The fitting, or cap, containing theball valve and spring. (2) The felt and gauze filter. (3) The filter housing, containing the additional non-return valve and spring, which screws into the axle. By putting the non-return valve behind the filter it will be safeguarding against dirt and should hold the back pressure of oil after the gun is removed. HS {Lord Ernest Hives - Chair} /F. Gaye. | ||