US2013129475A1PendingUtilityA1

Method for operating a pump

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Assignee: RIES-MUELLER KLAUSPriority: Nov 4, 2011Filed: Nov 5, 2012Published: May 23, 2013
Est. expiryNov 4, 2031(~5.3 yrs left)· nominal 20-yr term from priority
Inventors:Klaus Ries-Mueller
F04B 17/05F04B 49/08F04D 15/00B60T 13/46F04B 37/14F04B 35/002B60T 17/02F02D 41/12
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Claims

Abstract

A method for operating a switchable pump, which is situated in a motor vehicle and configured to provide a setpoint pressure for a medium, the pump being activated in trailing-throttle operation of the motor vehicle.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A method for operating a switchable pump, which is situated in a motor vehicle and configured to provide a setpoint pressure for a medium, the method comprising:
 activating the pump during a trailing-throttle operation of the motor vehicle.   
     
     
         2 . The method of  claim 1 , wherein the pump is activated automatically when the motor vehicle transitions to trailing-throttle operation. 
     
     
         3 . The method of  claim 1 , wherein the pump is used to set the setpoint pressure in a pressure reservoir for the medium. 
     
     
         4 . The method of  claim 1 , wherein the pump includes a vacuum pump, and wherein a vacuum pressure is generated as setpoint pressure for the medium with the vacuum pump. 
     
     
         5 . The method of  claim 1 , wherein the setpoint pressure generated by the pump is used to operate a brake booster. 
     
     
         6 . The method of  claim 1 , wherein the pump is driven by an engine of the motor vehicle in the switched-on state. 
     
     
         7 . The method of  claim 1 , further comprising:
 switching off the pump in a trailing-throttle operation when the pressure of the medium has reached the setpoint pressure.   
     
     
         8 . A control unit for controlling an operation of a switchable pump, which is situated in a motor vehicle and configured to provide a setpoint pressure for a medium, comprising:
 a control arrangement configured to activate the pump in a trailing-throttle operation of the motor vehicle.

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