Liquid conveying arrangement, especially for fuel injection installation

Claim 2

A liquid conveying arrangement comprising intermittently operating consumer means extracting liquid in quick sequence, especially fuel injection pumps of internal combustion piston engines, which includes: feedpipe means having opening means for connection with said intermittently operating consumer means, said feedpipe means at least adjacent said opening means having a thin-walled volume-elastic cross section differing from a circular cross section and being of material flexible in the manner of a diaphragm.

Claim 3

A liquid conveying arrangement comprising intermittently operating consumer means, especially fuel injection pumps of internal combustion piston engines, said consumer means comprising a plurality of pumps having connecting flange means with passage means therethrough, which includes: feedpipe means having opening means for connection with said intermittently operating consumer means, said feedpipe means including a collecting feedpipe provided with windows and common to and in communication with said pumps through said windows and said passage means of said connecting flange means, screw means threadedly engaging said flange means and firmly connecting the latter to said collecting feedpipe, said screw means having passage means therethrough establishing communication between the interior of said collecting pipe means and said pumps through the windows of said pipe means, said feedpipe means at least adjacent said opening means having a cross section differing from a circular cross section, end closure means closing the ends of said collecting feedpipe, tubular connecting means leading into one of said end closures means and communicating with the interior of said collecting feedpipe for supplying liquid thereto, one of said end closure means being provided with radial venting passages communicating with the interior of said feedpipe means, and threaded closure means detachably sealing closing said venting passage means.

Claim 4

A liquid conveying arrangement comprising intermittently operating consumer means, especially fuel injection pumps of internal combustion piston engines, said consumer means comprising a plurality of pumps having connecting flange means with passage means therethrough, which includes: feedpipe means having opening means for connection with said intermittently operating consumer means, said feedpipe means including a collecting feedpipe provided with windows and common to and in communication with said pumps through said windows and said passage means of said connecting flange means, screw means threadedly engaging said flange means and firmly connecting the latter to said collecting feedpipe, said screw means having passage means therethrough establishing communication between the interior of said collecting pipe means and said pumps through the windows of said pipe means, said feedpipe means at least adjacent said opening means having a cross section differing from a circular cross section, end closure means closing the ends of said collecting feedpipe, tubular connecting means leading into one of said end closures means and communicating with the interior of said collecting feedpipe for supplying liquid thereto, one of said end closure means being provided with radial venting passages communicating with the interior of said feedpipe means, and threaded closure means detachably sealing closing said venting passage means.

Claim 5

An arrangement according to claim 2, in which said feedpipe means at least adjacent said opening means has a relatively long and narrow cross section.

Claim 6

An arrangement according to claim 2, which includes gasket means respectively interposed between said collecting feedpipe and said flange means and between said flange means and the pertaining pumps.

Claim 7

An arrangement according to claim 2, in which said screw means are provided with inner threads defining the passage means thereof.

Claim 8

An arrangement according to claim 2, in which said end closure means include flange means and tie rod means suspended within said feedpipe means and sealingly securing said flange means to the ends of said feedpipe means.

Claim 9

An arrangement according to claim 2, in which said end closure means includes a flange mounted on and fixedly connected to an end of said feeding pipe means and also includes a counter flange and gasket means interposed between said first-mentioned flange and said counter flange, and means firmly connecting said flanges together.

Claim 10

A liquid conveying arrangement comprising intermittently operating consumer means, especially fuel injection pumps of internal combustion piston engines which includes: feedpipe means having opening means for connection with said intermittently operating consumer means, said feedpipe means at least adjacent said opening means having a cross section differing from a circular cross section, said feedpipe means including a collecting feedpipe adapted to be connected to a fluid supply source and provided with a plurality of windows in conformity with the number of consumers, a rail arranged within said collecting feedpipe and provided with a plurality of threaded bores corresponding in number to the number of said windows and in alignment therewith, and a plurality of tubular nipples respectively threadedly engaging said threaded bores and sealing connected to corresponding wall portions of said collecting feedpipe for connection with said consumers.

Claim 11

A liquid conveying arrangement comprising intermittently operating consumer means, especially fuel injection pumps of internal combustion piston engines which includes: feedpipe means having opening means for connection with said intermittently operating consumer means, said feedpipe means at least adjacent said opening means having a cross section differing from a circular cross section, said feedpipe means including a collecting feedpipe adapted to be connected to a fluid supply source and provided with a plurality of windows in conformity with the number of consumers, a rail arranged within said collecting feedpipe and provided with a plurality of threaded bores corresponding in number to the number of said windows and in alignment therewith, and a plurality of tubular nipples respectively threadedly engaging said threaded bores and sealing connected to corresponding wall portions of said collecting feedpipe for connection with said consumers.