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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 claim for an induction system for internal combustion engines.

Identifier  ExFiles\Box 148\1\  scan0137
Date  8th July 1936
  
6
460,377

ally through the enlargement on the external surfaces of the inner passage there is arranged to extend a spindle on which are mounted an annular member forming the movable valve element for the outer passage and the movable valve element for the inner passage.

5. An induction system as claimed in Claim 3 or Claim 4 in which the inner surface of the outer passage immediately in the vicinity of the movable valve element therein is spherical in shape or of any other form adapted to secure a desired variation in area of the passage permitting the flow of fluid in accordance with variations in the position of the movable valve element.

6. An induction system as claimed in any of the preceding claims in which the inner surface of the outer passage comprises on one or both sides of the movable valve element therein portions having converging walls so as to form a converging diverging passage generally of the character of a Venturi passage.

7. Induction systems for internal combustion engines substantially as herein-before described and as illustrated in and by the accompanying drawings.

8. Internal combustion engines comprising an induction system as claimed in any of the preceding claims.

Dated this 8th day of July, 1936.
MARKS & CLERK.

Leamington Spa: Printed for His Majesty's Stationery Office, by the Courier Press.—1937.
  
  


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