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).
Report by Claremont Haynes & Co. on outside patent searches for the week ending 22nd August 1940.
| Identifier | ExFiles\Box 147\4\ scan0058 | |
| Date | 22th August 1940 | |
| Additional. OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 22nd August 1940. SPECIFICATIONS which have become available prints of which are not sent herewith, but which may also be of interest. ---------------- { Opposition date 2nd October 1940 } ---------------- No. Patentee. Title. 523,844 H.{Arthur M. Hanbury - Head Complaints} L. Hall Means for supplying air to internal combustion engines Air intake to carburetter consists of an into wind cold air intake the mouth of which has a gauze or flame trap, a down wind cold air intake, these intakes being controlled by a flap and a hot air intake the latter being from a muff arranged on the engine side of an exhaust ring manifold of the radial engine; the cowling prevents ice or snow entering the muff, which also serves to shield the exhaust manifold from the air inside the cowling by which the cylinders are cooled. 523,899 British Thomson Houston Electric ignition systems for Co. Ltd. and K.J.R. Internal combustion engines Wilkinson The invention seeks to improve the operation of spark plug ignitions at high altitudes by reducing spark plug erosion, by curtailing the duration of the after current of each spark. It achieves this by incorporating in series with the secondary winding of the magneto or coil a non linear resistance having the general property that its resistance is inversely dependent on the voltage or current associated with it. 523,937 Tecalemit Ltd. Apparatus for testing motor and other vehicles The invention relates to an inclined track down which the vehicle runs with its brakes applied and means for comparing the time taken with a standard time. | ||