Patent · US Expired

Analog-to-digital converter with complementary transistors

US6580381B2 · kind B2 · utility

0Cited by
4References
28Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 30, 2001
Grant dateJun 17, 2003
Priority date
Expiry dateAug 30, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03M1/365
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

Located between the frustoconical needle tip and the cylindrical needle shank of a nozzle needle of a fuel injection valve is a frustoconical needle portion, into which is introduced a peripheral groove, by means of which damping is capable of being set, depending on the position of the groove, during the axial movement of the nozzle needle.

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