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British Dictionary definitions for valve spring

valve spring

noun
  1. a helical spring used to hold closed a valve in the cylinder head of an internal-combustion engine
  2. any spring that closes a valve after it has been opened mechanically or by flow pressure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for valve spring

Historical Examples

  • The engine had to be stopped three times, twice due to valve-spring collar failures and once due to a valve head breaking.

    The First Airplane Diesel Engine: Packard Model DR-980 of 1928

    Robert B. Meyer