Half a croissant, on a plate, with a sign in front of it saying '50c'
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Start-up oil pump

Electric auxiliary oil pump to ensure oil pressure during first few revolutions
  (+4, -1)
(+4, -1)
  [vote for,

If most engine wear occurs during the first few revolutions after starting, how about an auxiliary electric oil pump that starts with the ignition, to ensure that there is oil pressure by the time the starter starts turning? It could run via a relay off the charge light on the dash. It would also be quite possible to do as an aftermarket accessory.
Ned_Ludd, Jan 22 2007

oil pressure accumulator http://motorprelube.com/
stores oil pressure during normal operation for use at startup. [afinehowdoyoudo, Sep 10 2007, last modified Sep 11 2007]

pre-luber with electric pump http://www.pre-luber.com/
[afinehowdoyoudo, Sep 11 2007]


       Fully baked idea for turbines. If required, it may be deployed for the engines.
vedarshi, Jan 22 2007

       Baked? Yes. Good idea? Yes. Purchase at autozone? Yes.   

       Completely possible with off the shelf parts. This would be great for protecting the cam shaft and other vital parts.   

       Pastry to you Sir
evilpenguin, Aug 30 2007

       Well baked, great for any 4-cycle engine.
It's just a cup, Jul 25 2008

       Already baked on many large backup generator engines.
Skrewloose, Jan 16 2009

       This is a Good Idea ... and is commercially available from several sources including Cummins Engine dealers. Extensively used on oil field equipment in Canada, etc. Other related good idea: plug-in-the-wall crankcase oil warmer in the dip stick, also commercially available.
fasteddy, Jan 16 2009


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