Patent ID: 7296981
Filing Date: 2007-11-20
Classification: F04B

Abstract:
1. A pump, comprising: a first end section comprising a fluid inlet and a fluid intake valve; a second end section comprising a fluid outlet; a midsection disposed between the first and second end sections, wherein the midsection comprises a piston coupled to a drive member; a first set of bolts coupling the first end section to the midsection; and a second set of bolts coupling the second end section to the midsection, wherein the first and second end sections are independently releasable from the midsection via the first and second sets of bolts, respectively; wherein the midsection comprises a cylindrical interior and a rectangular exterior extending lengthwise between the first and second end sections; wherein the midsection comprises a first set of threaded receptacles at first corner portions between the cylindrical interior and the rectangular exterior at a first end adjacent the first end section, and the midsection comprises a second set of threaded receptacles at second corner portions between the cylindrical interior and the rectangular exterior at a second end adjacent the second end section.