Patent · US Active

Quantity-limiting valve

US9909547B2 · kind B2 · utility

0Cited by

5References

9Claims

0Family size

Assignee

MTU FRIEDRICHSHAFEN GMBH · DE

Inventors

Robby Gerbeth · Friedrichshafen, DE
Michael Walder · Ravensburg, DE
Andreas MEHR · Kreßbronn, DE
Markus STAUDT · Ravensburg, DE
Frank MLICKI · Radolfzell, DE

Key dates

Filing date	Dec 7, 2015
Grant date	Mar 6, 2018
Priority date	—
Expiry date	Dec 11, 2035

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M2200/28
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In a quantity limiting valve for a fuel injection system of an internal combustion engine including a cylinder with an inflow region and an outflow region separated by a piston axially movably disposed in the cylinder and a flow limiting fluid flow path extending along the piston between the inflow and outflow regions wherein the piston is biased with its front surface into contact with a stop element, the contact area between the front surface and the stop surface includes between the piston and the stop element a contact structure providing for an intermediate space which is in communication with the inflow region thereby to expose the front surface of the piston to the pressure of the fluid in the inflow region.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.