Patent · US Active

Product dispensing system

US11429120B2 · kind B2 · utility

2Cited by
113References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 28, 2019
Grant dateAug 30, 2022
Priority date
Expiry dateOct 28, 2039

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86799
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A flow control device is disclosed. The flow control device includes a solenoid, the solenoid including an armature. Also, a piston connected to the armature. The piston includes a primary orifice. The piston having an open position and a closed position. A piston spring connected to the piston is also includes and at least one secondary orifice. The movement of the piston to the open position at least partially opens the at least one secondary orifice and the movement of the piston to the closed position at least partially closes the at least one secondary orifice. The movement of the armature actuates the piston movement and controls fluid flow from the primary orifice through the at least one secondary orifice.

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