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Re: Something for Nothing
Posted by jerrit (more from jerrit) on Fri, 24 Apr 2009 12:05:14
In Reply to: Re: Something for Nothing, jp498, Fri, 24 Apr 2009 04:32:02

That makes sense. So the advantage of an electric water pump would be finer control over how hard it pumps at what coolant temperatures, independent of engine speed?

You could have a microcontroller and a map of flow rates (current to apply to the pump) at different coolant temperatures, but with upper and lower bounds on flow rate such as "never apply less current/pump any slower than x gpm" and "no matter how hot things get, never apply more current/pump any faster than y gpm".

posted by 216.239....

Posts in this Thread:

opinions on electric accesory pumps, jerrit, Thu, 16 Apr 2009 20:53:28
- Re: opinions on electric accesory pumps, Nick Taliaferro , Sat, 18 Apr 2009 14:07:53
  - That's fascinating, but at the extreme end of the scale, Bill Davies , Sat, 18 Apr 2009 14:35:28
- never heard of this before, TML, Sat, 18 Apr 2009 08:20:03
  - Re: never heard of this before, lms, Sat, 18 Apr 2009 09:09:23
    - Something for Nothing, DrewP , Sat, 18 Apr 2009 09:16:49
      - Re: Something for Nothing, DrewP , Sat, 18 Apr 2009 09:25:31
        Re: Something for Nothing, jp498, Sat, 18 Apr 2009 18:46:03
        Re: Something for Nothing, DrewP , Sun, 19 Apr 2009 10:20:50
        Re: Something for Nothing, jerrit, Sun, 19 Apr 2009 19:23:57
        Re: Something for Nothing, jp498, Fri, 24 Apr 2009 04:32:02
        Re: Something for Nothing, jerrit, Fri, 24 Apr 2009 12:05:14
        Re: Something for Nothing, jerrit, Mon, 4 May 2009 19:38:34
        You might like this Automotive DesignLine article >, Bill Davies , Mon, 20 Apr 2009 01:17:53
        Power steering is not power assisted..., Street, Mon, 20 Apr 2009 12:17:48
        Re: Power steering is not power assisted..., jerrit, Mon, 20 Apr 2009 14:47:04
        Re: Power steering is not power assisted..., Justin VanAbrahams, Mon, 20 Apr 2009 20:08:15
        Not necessarily true..., Street, Wed, 22 Apr 2009 02:10:42
        Re: Not necessarily true..., Justin VanAbrahams, Wed, 22 Apr 2009 14:03:48
        How could a vane pump provide max pressure at low RPM?, Street, Wed, 22 Apr 2009 22:17:37
        Re: How could a vane pump provide max pressure at low RPM?, DrewP , Thu, 23 Apr 2009 12:20:11
        Re: How could a vane pump provide max pressure at low RPM?, jerrit, Thu, 23 Apr 2009 14:52:11
        SAAB seems different (long)..., Street, Sun, 26 Apr 2009 10:21:16

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