US2019390674A1PendingUtilityA1

Screw Compressor for a Utility Vehicle

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Assignee: KNORR BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBHPriority: Sep 21, 2016Filed: Sep 19, 2017Published: Dec 26, 2019
Est. expirySep 21, 2036(~10.1 yrs left)· nominal 20-yr term from priority
Inventors:Gilles HebrardJean-Baptiste MarescotJoerg MellarThomas Weinhold
F04C 18/16F04C 28/28F04C 2240/809F04C 28/06F04C 28/26F04C 28/24F05B 2210/16F04C 2210/221F04C 2210/1005F05B 2210/12
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Claims

Abstract

A screw compressor for a utility vehicle has at least one housing and a relief valve. The relief valve includes a spring-loaded closure mechanism with at least one spring and at least one closure element. The spring has a spring force which is dimensioned such that it actuates the closure element when a predefined minimum pressure above the atmospheric pressure is reached.

Claims

exact text as granted — not AI-modified
1 - 5 . (canceled) 
     
     
         6 . A screw compressor for a utility vehicle, comprising:
 at least one housing; and   one relief valve, wherein   the relief valve has a spring-loaded closing mechanism with at least one spring and with at least one closure element, and   the spring has a spring force configured such that said spring actuates the closure element when a predefined minimum pressure above atmospheric pressure is reached.   
     
     
         7 . The screw compressor as claimed in  claim 6 , wherein
 the spring is a helical spring.   
     
     
         8 . The screw compressor as claimed in  claim 7 , wherein
 the closure element is a ball.   
     
     
         9 . The screw compressor as claimed in  claim 6 , wherein
 the closure element is a ball.   
     
     
         10 . The screw compressor as claimed in  claim 6 , wherein
 the spring-loaded closing mechanism is arranged in a vicinity of an inlet connector of the screw compressor.   
     
     
         11 . The screw compressor as claimed in  claim 10 , wherein
 the spring-loaded closing mechanism is arranged in a ventilation line from the relief valve to the inlet connector of the screw compressor.

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