Rolls-Royce Archives
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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).
Information on past patent specifications for self-adjusting tappets.

Identifier  ExFiles\Box 158\4\  scan0016
Date  9th July 1930
  
X3733

By.{R.W. Bailey - Chief Engineer} from E.{Mr Elliott - Chief Engineer}
c. Sg.{Arthur F. Sidgreaves - MD}
c. Wor.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair}

E2/M9.7.30.

Re : PATENT SELF ADJUSTING TAPPETS.
-------------------------------------

Some few years ago a number of patent
specifications were submitted to us in connection with
self adjusting tappets, and we fancy these may have
been returned to you.

Could you please say if you have any record
of them.

We are particularly interested in the one, or
possibly two, in which the clearance was taken up by means
of oil introduced into a cylindrical tappet having a
plunger with a non-return valve.

We are preparing a design on these lines for
trial on Phantom 2.


E.{Mr Elliott - Chief Engineer}
  
  


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