Cylinder head for a pump

Abstract

A cylinder head for a pump. The pump includes a piston and a cylinder block at least partially defining a cylinder chamber receiving the piston. The cylinder head is couplable to the cylinder block. The cylinder head includes an inlet manifold formed as a single piece, an outlet manifold formed as a single piece separate from the inlet manifold, and a pressure chamber positioned fluidly between the inlet manifold and the outlet manifold formed as a single piece separate from the inlet manifold and separate from the outlet manifold. The pressure chamber is formed of a first material, and at least one of the inlet manifold and the outlet manifold is formed of a second material different than the first material.

1 . A cylinder head for a pump, the pump including a piston and a cylinder block at least partially defining a cylinder chamber receiving the piston, the cylinder chamber extending in a longitudinal direction, the cylinder head being couplable to the cylinder block, the cylinder head comprising:
 an inlet manifold for receiving a low pressure fluid and for directing the low pressure fluid to the cylinder chamber, the inlet manifold being formed as a single piece;   an outlet manifold for receiving a pressurized fluid from the cylinder chamber and for directing the pressurized fluid to an outlet, the outlet manifold being formed as a single piece separate from the inlet manifold; and   a pressure chamber positioned fluidly between the inlet manifold and the outlet manifold for receiving the low pressure fluid from the inlet manifold and directing the low pressure fluid to the cylinder chamber, and for receiving the pressurized fluid from the cylinder chamber and directing the pressurized fluid to the outlet manifold, the pressure chamber being formed as a single piece separate from the inlet manifold and separate from the outlet manifold, the pressure chamber being formed of a first material;   wherein at least one of the inlet manifold and the outlet manifold is formed of a second material different than the first material.   
     
     
         2 . The cylinder head of  claim 1 , further comprising an inlet valve positioned in the cylinder head for controlling flow of low pressure fluid from the inlet manifold to the pressure chamber, the inlet valve being oriented along an axis extending transverse to the longitudinal direction of the cylinder chamber such that the low pressure fluid flows through the inlet valve in a direction transverse to the longitudinal direction of the cylinder chamber. 
     
     
         3 . The cylinder head of  claim 2 , wherein the inlet valve is oriented along an axis extending substantially perpendicular to the longitudinal direction of the cylinder chamber such that the low pressure fluid flows through the inlet valve in a direction substantially perpendicular to the longitudinal direction of the cylinder chamber. 
     
     
         4 . The cylinder head of  claim 1 , further comprising an outlet valve positioned in the cylinder head for controlling flow of pressurized fluid from the pressure chamber to the outlet, the outlet valve being oriented along an axis extending transverse to the longitudinal direction of the cylinder chamber such that the pressurized fluid flows through the outlet valve in a direction transverse to the longitudinal direction of the cylinder chamber. 
     
     
         5 . The cylinder head of  claim 4 , wherein the axis is a first axis, and wherein the cylinder head further comprises an inlet valve positioned in the cylinder head for controlling flow of low pressure fluid from the inlet manifold to the pressure chamber, the inlet valve being oriented along a second axis extending transverse to the longitudinal direction of the cylinder chamber such that the low pressure fluid flows through the inlet valve in a direction transverse to the longitudinal direction of the cylinder chamber. 
     
     
         6 . The cylinder head of  claim 4 , wherein the outlet valve is oriented along an axis extending substantially perpendicular to the longitudinal direction of the cylinder chamber such that the pressurized fluid flows through the outlet valve in a direction substantially perpendicular to the longitudinal direction of the cylinder chamber. 
     
     
         7 . The cylinder head of  claim 6 , wherein the axis is a first axis, wherein the cylinder head further comprises an inlet valve positioned in the cylinder head for controlling flow of low pressure fluid from the inlet manifold to the pressure chamber, the inlet valve being oriented along a second axis extending substantially perpendicular to the longitudinal direction of the cylinder chamber such that the low pressure fluid flows through the inlet valve in a direction substantially perpendicular to the longitudinal direction of the cylinder chamber. 
     
     
         8 . The cylinder head of  claim 1 , wherein the first material withstands higher pressures than the second material. 
     
     
         9 . The cylinder head of  claim 1 , wherein the first material includes brass. 
     
     
         10 . The cylinder head of  claim 1 , wherein the second material includes aluminum. 
     
     
         11 . The cylinder head of  claim 1 , wherein the first material includes brass and the second material includes aluminum. 
     
     
         12 . The cylinder head of  claim 1 , wherein the pressure chamber cooperates with the cylinder head to define the cylinder chamber for receiving the piston. 
     
     
         13 . The cylinder head of  claim 1 , wherein both of the inlet manifold and the outlet manifold are formed of the second material different than the first material. 
     
     
         14 . A pump for pressurizing a fluid, the pump comprising:
 a piston;   a cylinder block at least partially defining a cylinder chamber receiving the piston;   a cylinder head coupled to the cylinder block, the cylinder head including
 an inlet manifold for receiving a low pressure fluid and directing the low pressure fluid to the cylinder chamber, the inlet manifold being formed as a single piece, 
 an outlet manifold for receiving a pressurized fluid from the cylinder chamber and directing the pressurized fluid to an outlet, the outlet manifold being formed as a single piece separate from the inlet manifold, and 
 a pressure chamber positioned fluidly between the inlet manifold and the outlet manifold and in fluid communication with the cylinder chamber for receiving the low pressure fluid from the inlet manifold and directing the low pressure fluid to the cylinder chamber and for receiving the pressurized fluid from the cylinder chamber and directing the pressurized fluid to the outlet manifold, the pressure chamber being formed as a single piece separate from the inlet manifold and from the outlet manifold, the pressure chamber being formed from a first material, 
 wherein at least one of the inlet manifold and the outlet manifold is formed from a second material different from the first material. 
   
     
     
         15 . The pump of  claim 14 , wherein the cylinder head further includes an inlet valve positioned in the cylinder head for controlling flow of low pressure fluid from the inlet manifold to the pressure chamber, the inlet valve being oriented along an axis extending transverse to the longitudinal direction of the cylinder chamber such that the low pressure fluid flows through the inlet valve in a direction transverse to the longitudinal direction of the cylinder chamber. 
     
     
         16 . The pump of  claim 15 , wherein the inlet valve is oriented along an axis extending substantially perpendicular to the longitudinal direction of the cylinder chamber such that the low pressure fluid flows through the inlet valve in a direction substantially perpendicular to the longitudinal direction of the cylinder chamber. 
     
     
         17 . The pump of  claim 14 , wherein the cylinder head further includes an outlet valve positioned in the cylinder head for controlling flow of pressurized fluid from the pressure chamber to the outlet, the outlet valve being oriented along an axis extending transverse to the longitudinal direction of the cylinder chamber such that the pressurized fluid flows through the outlet valve in a direction transverse to the longitudinal direction of the cylinder chamber. 
     
     
         18 . The pump of  claim 17 , wherein the axis is a first axis, and wherein the cylinder head further includes an inlet valve positioned in the cylinder head for controlling flow of low pressure fluid from the inlet manifold to the pressure chamber, the inlet valve being oriented along a second axis extending transverse to the longitudinal direction of the cylinder chamber such that the low pressure fluid flows through the inlet valve in a direction transverse to the longitudinal direction of the cylinder chamber. 
     
     
         19 . The pump of  claim 17 , wherein the outlet valve is oriented along an axis extending substantially perpendicular to the longitudinal direction of the cylinder chamber such that the pressurized fluid flows through the outlet valve in a direction substantially perpendicular to the longitudinal direction of the cylinder chamber. 
     
     
         20 . The pump of  claim 19 , wherein the axis is a first axis, wherein the cylinder head further includes an inlet valve positioned in the cylinder head for controlling flow of low pressure fluid from the inlet manifold to the pressure chamber, the inlet valve being oriented along a second axis extending substantially perpendicular to the longitudinal direction of the cylinder chamber such that the low pressure fluid flows through the inlet valve in a direction substantially perpendicular to the longitudinal direction of the cylinder chamber. 
     
     
         21 . The pump of  claim 14 , wherein the first material withstands higher pressures than the second material. 
     
     
         22 . The pump of  claim 14 , wherein the first material includes brass. 
     
     
         23 . The pump of  claim 14 , wherein the second material includes aluminum. 
     
     
         24 . The pump of  claim 14 , wherein the first material includes brass and the second material includes aluminum. 
     
     
         25 . The pump of  claim 14 , wherein the pressure chamber cooperates with the cylinder head to define the cylinder chamber for receiving the piston. 
     
     
         26 . The pump of  claim 14 , wherein both of the inlet manifold and the outlet manifold are formed of the second material different than the first material. 
     
     
         27 . A pump for pressurizing a fluid, the pump comprising:
 a piston;   a cylinder block at least partially defining a cylinder chamber receiving the piston, the cylinder chamber extending in a longitudinal direction;   a cylinder head coupled to the cylinder block, the cylinder head including
 an inlet manifold for receiving a low pressure fluid and directing the low pressure fluid to the cylinder chamber, the inlet manifold being formed as a single piece, 
 an outlet manifold for receiving a pressurized fluid from the cylinder chamber and directing the pressurized fluid to an outlet, the outlet manifold being formed as a single piece separate from the inlet manifold, 
 a pressure chamber positioned fluidly between the inlet manifold and the outlet manifold and in fluid communication with the cylinder chamber for receiving the low pressure fluid from the inlet manifold and directing the low pressure fluid to the cylinder chamber and for receiving the pressurized fluid from the cylinder chamber and directing the pressurized fluid to the outlet manifold, the pressure chamber being formed as a single piece separate from the inlet manifold and from the outlet manifold, the pressure chamber being formed from a first material including brass, 
 an inlet valve positioned in the cylinder head for controlling flow of low pressure fluid from the inlet manifold to the pressure chamber, the inlet valve being oriented along an axis extending substantially perpendicular to the longitudinal direction of the cylinder chamber such that the low pressure fluid flows through the inlet valve in a direction substantially perpendicular to the longitudinal direction of the cylinder chamber, and 
 an outlet valve positioned in the cylinder head for controlling flow of pressurized fluid from the pressure chamber to the outlet, the outlet valve being oriented along an axis extending substantially perpendicular to the longitudinal direction of the cylinder chamber such that the pressurized fluid flows through the outlet valve in a direction substantially perpendicular to the longitudinal direction of the cylinder chamber, 
   wherein the inlet manifold and the outlet manifold is formed from a second material including aluminum.