Reservoir for liquid and/or gaseous media and cooling system for an internal combustion engine

Abstract

A reservoir includes an orifice, a cover for closing the orifice and at least one blocking device for blocking the cover against opening in the event of excess pressure in the reservoir. The blocking device blocks the cover by a form fit.

What is claimed is:  
     
         1 . A reservoir, comprising: 
 a cover configured to close an orifice; and    at least one blocking device configured to block the cover against opening in accordance with excess pressure in the reservoir, the blocking device arranged to block the cover by a form fit.    
     
     
         2 . The reservoir according to  claim 1 , wherein the blocking device includes at least one displaceably mounted blocking pin arranged on the reservoir and movable into a recess arranged in the cover.  
     
     
         3 . The reservoir according to  claim 2 , further comprising: 
 a piston/cylinder unit configured to displace the blocking pin into a blocking position; and    a spring device configured to displace the blocking pin into a release position by a spring force.    
     
     
         4 . The reservoir according to  claim 2 , wherein actuation of the blocking device is controllable by a pressure prevailing in an interior of the reservoir.  
     
     
         5 . The reservoir according to  claim 1 , wherein actuation of the blocking device is controllable as a function of a temperature in the reservoir.  
     
     
         6 . The reservoir according to  claim 1 , wherein the orifice is arranged in a connection piece, the cover one of rotatable and screwable onto the connection piece, the cover including a closing part configured to project into the connection piece in a rotated-on state, the cover including a recess configured to receive the blocking device one of arranged on a circumference of the closing part and extending in a direction of longitudinal extent of the connection piece.  
     
     
         7 . The reservoir according to  claim 1 , further comprising an arrangement configured to positionally accurately reproducibly locate the cover with respect to the blocking device so that a blocking pin of the blocking device is movable into a recess of the cover in a screwed-on position.  
     
     
         8 . The reservoir according to  claim 1 , wherein the blocking device includes at least one displaceably mounted blocking pin arranged on the cover and movable into a recess arranged in the reservoir.  
     
     
         9 . The reservoir according to  claim 1 , wherein the reservoir is arranged as a compensating reservoir of a cooling system having a cooling liquid adapted to cool an internal combustion engine.  
     
     
         10 . The reservoir according to  claim 2 , further comprising means for controlling actuation of the blocking device in accordance with a pressure prevailing in an interior of the reservoir.  
     
     
         11 . The reservoir according to  claim 1 , further comprising means for controlling actuation of the blocking device as a function of a temperature in the reservoir.  
     
     
         12 . The reservoir according to  claim 2 , further comprising means for displacing the blocking pin into a blocking position and for displacing the blocking pin into a release position by a spring force.  
     
     
         13 . The reservoir according to  claim 1 , further comprising means for positionally accurately reproducibly locating the cover with respect to the blocking device so that a blocking pin of the blocking device is movable into a recess in the cover.  
     
     
         14 . A reservoir, comprising: 
 cover means for closing an orifice; and    blocking means for blocking the cover means by a form fit against opening in accordance with excess pressure in the reservoir.    
     
     
         15 . A cooling system, comprising: 
 a compensating reservoir including a cover configured to close an orifice and at least one blocking device configured to block the cover against opening in accordance with excess pressure in the reservoir, the blocking device arranged to block the cover by a form fit.