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 patent summaries with their numbers, patentees, and titles.
| Identifier | ExFiles\Box 147\4\ scan0082 | |
| Date | 12th September 1940 guessed | |
| No. Patentee. Title. compressors etc., working with liquids which have a rotor provided with peripheral grooves. A stationary partition or isolating part engaging said grooves to separate low pressure on intake side of the apparatus from the high pressure or delivery side and a plurality of vanes or impulsion members which are moved about their axes either either to obturate the grooves while travelling from inlet to outlet or to pass through the stationary isolating part. 524,931 G.S.Kammer. Cooling-fins for internal combustion engines and the like. Cooling fins are made of thin pieces of sheet metal welded to the cylinder and fixed at their outer edges by a plate which is engaged by teeth formed in the fins passing through holes in the plate, and bent over and welded to it. The fins are also braced together by oblong pieces cut out between inner and outer edges of the fins, each such piece being bent over and welded to the next fin. 524,937 L.A.Evans and C.C.Wakefield Hydraulic power & Co.Ltd. transmission systems. Fluid for hydraulic transmission consists of castor oil in admixture with diethyl phthalate with or without ethyl lactate and/or tri-cresyl phosphate. 524,943 B.F.Goodrich Co. Vehicles and suspensio therefor. Invention is primarily concerned with the bus type of vehicle, an unsprung mass which carries the wheels supports through springs a sprung mass which carries the body and separate springs are provided for dealing with relative up and down, and tilting movements, allowing these springs to be designed solely for one of these functions. | ||