Hydro damper

Abstract

Disclosed is a hydro damper for absorbing pressure oscillations and/or acoustic vibrations in systems which are operated by means of pressurized fluids. The inventive hydro damper is provided with a housing ( 1 ) having a leading dimension which defines a longitudinal axis ( 3 ) of the housing, a connection block ( 5 ) fluidically connecting the damper housing ( 1 ) to the corresponding system, and a linking device ( 7, 47, 49 ) which is assigned to the connection block ( 5 ) so as to mount the connection block ( 5 ), and consequently the damper housing ( 1 ), on the system in selected rotational positions relative to an axis of connection ( 41 ) that runs perpendicular to the longitudinal axis ( 3 ) of the housing.

1 . Hydro damper for attenuation of pressure oscillations and/or acoustic oscillations in systems which are operated by means of pressurized fluids, of the type comprising: 
 a damper housing ( 1 ) with a leading dimension which defines the longitudinal axis of the housing;    a connecting block ( 5 ) for fluidic connection of the damper housing ( 1 ) to the pertinent system, and    a linking means ( 7 ) which is assigned to the connecting block ( 5 ) for mounting of the connecting block ( 5 ) and thus of the damper housing ( 1 ) on the system in selectable rotary positions, relative to the connecting axis ( 41 ) which runs transversely to the longitudinal axis ( 3 ) of the housing.    
   
   
       2 . Hydraulic damper as claimed in  claim 1 , wherein the connecting axis ( 41 ) to the longitudinal axis ( 3 ) of the housing runs at least approximately at a right angle.  
   
   
       3 . Hydraulic damper as claimed in  claim 1 , wherein the linking means has a pump connecting piece ( 7 ) which forms the fluidic connection between the connecting block ( 5 ) and a hydraulic pump and which can be fixed at the output ( 43 ) of the hydraulic pump in selectable rotary positions relative to the connecting axis ( 41 ).  
   
   
       4 . Hydraulic damper as claimed in  claim 3 , wherein the pump connecting piece ( 7 ) has an annular body which can be attached to the output ( 43 ) of the pump with a ring of holes ( 39 ) which is located along its periphery, of these holes, those which correspond to the desired rotary positions of the connecting block ( 5 ) relative to the connecting axis ( 41 ) can be selected for the engagement of mounting screws which are provided on the connecting block ( 5 ).  
   
   
       5 . Hydraulic damper as claimed in  claim 3 , wherein the pump connecting piece ( 7 ) is designed for mounting on the output ( 43 ) of the pump, which output has connecting parts for forming an SAE standard flange connection, and wherein the pump connecting piece ( 7 ) has a round end flange ( 47 ) which in the selected rotary position can be fixed relative to the connecting axis ( 41 ) by means of half ring-like SAE flange clamping jaws ( 49 ) which can be screwed to the SAE connecting parts of the output ( 43 ) of the pump.  
   
   
       6 . Hydraulic damper as claimed in claims  1 , wherein the connecting block ( 5 ) has an inner chamber ( 33 ) with an outflow opening which extends concentrically to the longitudinal axis ( 3 ) of the housing and which is connected to the input ( 11 ) of the damper housing ( 1 ), and wherein as the pump connecting piece ( 7 ) there is a circular cylindrical hollow body which extends concentrically to the connecting axis ( 41 ) and perpendicular to the longitudinal axis ( 3 ) of the housing into the chamber ( 33 ) of the connecting block ( 5 ) and which is used as a fluid feed pipe and has a wall penetration ( 45 ) which is concentric to the longitudinal axis ( 3 ) of the housing for fluidic connection to the inner chamber ( 33 ) of the connecting block ( 5 ).  
   
   
       7 . Hydraulic damper as claimed in  claim 6 , wherein the damper housing ( 1 ) contains a fluid silencer ( 9 ) of the reflection type through which the pressurized fluid which is to be damped may flow.  
   
   
       8 . Hydraulic damper as claimed in  claim 7 , wherein the inner chamber ( 33 ) of the connecting block ( 5 ) which is connected to the input ( 11 ) of the fluid silencer ( 9 ) is provided as the pre-chamber of the fluid silencer ( 9 ).