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 claims for an internal combustion engine, referencing specific figures and a patent number.
| Identifier | ExFiles\Box 147\2\ scan0184 | |
| Date | 20th January 1940 | |
| in which the two sets of walls lie close together so as to leave a comparatively small space between them. 4. An internal combustion engine as claimed in Claims 2 or 3 in which the top of the said protuberance is in a plane at right angles or at an angle less than a right angle to the last mentioned walls of the protuberance. 5. An internal combustion engine as claimed in Claim 4 having a combustion chamber as described in Letters Patent 505895. 6. An internal combustion engine with a cylinder of the said type and a combustion chamber and a co-operating protuberance on the piston crown substantially as described with reference to Figures 1 and 2 of the accompanying drawings. 7. An internal combustion engine with a cylinder of the said type and a combustion chamber and a co-operating protuberance on the piston crown substantially as described with reference to Figures 3 and 4 of the accompanying drawings. Dated the 20th day of January 1940. CLAREMONT HAYNES & CO. Vernon House, Sicilian Avenue, Bloomsbury Square | ||