A motor pump and control manifold assembly

Abstract

A motor pump assembly is provided that comprises a motor, a drive shaft connected to the motor, a pump and control manifold including means for controlling fluid flow to and/or from the pump. The motor, drive shaft, pump and manifold are contained within a single common housing. The manifold forms an integral part of the housing and includes a pump chamber that contains the pump.

1 . A motor pump and control manifold assembly comprising:
 a motor;   a drive shaft connected to the motor;   a pump; and   a control manifold including means for controlling fluid flow to and/or from the pump, wherein the motor, drive shaft, pump and manifold are contained within a single common housing.   
     
     
         2 . A motor pump and control manifold assembly according to  claim 1  wherein the housing comprises a main housing body containing each of the motor, drive shaft, pump and manifold. 
     
     
         3 . A motor pump and control manifold assembly according to  claim 2  wherein the manifold is integrally formed as part of the housing body. 
     
     
         4 . A motor pump and control manifold assembly according to  claim 3  wherein the manifold includes an integrally formed pump chamber within which the pump is housed. 
     
     
         5 . A motor pump and control manifold assembly according to  claim 4  wherein the pump chamber is fluidly connected to the manifold within the housing body. 
     
     
         6 . A motor pump and control manifold assembly according to  claim 1  wherein the pump is a gear pump. 
     
     
         7 . A motor pump and control manifold assembly according to  claim 1  wherein the pump is a vane pump. 
     
     
         8 . A motor pump and control manifold assembly according to  claim 2  wherein the housing includes an integrally formed chamber for housing the motor. 
     
     
         9 . A motor pump and control manifold assembly according to  claim 1  wherein the drive shaft is a single piece common shaft connected to both the motor and the pump. 
     
     
         10 . A motor pump and control manifold assembly according to  claim 9  wherein only a single bearing is preferably provided along the drive shaft between the motor and the pump. 
     
     
         11 . A motor pump and control manifold assembly according to  claim 2  includes an inner wall located axially inwards of the pump that defines the porting face of the valve chamber and includes a plurality of ports formed therein arranged to port fluid to and from the pump. 
     
     
         12 . A motor pump and control manifold assembly according to  claim 11  where a closure member is provided at the axially opposing end of the pump chamber to the porting face to close the pump chamber and secure the pump therein. 
     
     
         13 . A motor pump and control manifold assembly according to  claim 12  wherein the closure member forms the axially outer side wall of the pump chamber. 
     
     
         14 . A motor pump and control manifold assembly according to  claim 2  wherein the control manifold is axially located between the pump chamber and the motor chamber. 
     
     
         15 . A motor pump and control manifold assembly according to  claim 14  wherein the housing includes one or more integrally formed heat exchange fluid channels arranged proximate the motor chamber to effect cooling thereof. 
     
     
         16 . A motor pump and control manifold assembly according to  claim 15  wherein a network of heat exchange fluid channels are formed within the housing proximate the axially inner wall of the motor chamber. 
     
     
         17 . A motor pump and control manifold assembly according to  claim 15  wherein the manifold is configured to control fluid through the heat exchange fluid channels. 
     
     
         18 . A motor pump and control manifold assembly according to  claim 1  comprising at least one control manifold module including one or more valves, the control manifold module being configured to connect to the control manifold to increase the control functionality of the motor pump assembly. 
     
     
         19 . A motor pump and control manifold assembly according to  claim 18 , wherein the control manifold includes one or more fluid ports arranged for connection to the at least one control manifold module, the control manifold and control manifold module including corresponding connector elements to enable the control manifold module to be secured to the control manifold. 
     
     
         20 . A motor pump and control manifold assembly according to  claim 19  wherein the control manifold module includes connector elements arranged to enable a further control manifold module to be secured thereto. 
     
     
         21 . A motor pump and control manifold assembly according to  claim 1  wherein at least the part of the housing comprising the control manifold and the pump chamber is a single piece body. 
     
     
         22 . A motor pump and control manifold assembly according to  claim 21  wherein at least the part of the housing comprising the control manifold and the pump chamber is a single piece casting.