Patent · US Active

Filtering fluid dispensing device

US11813632B2 · kind B2 · utility

0Cited by

4References

18Claims

0Family size

Inventors

Daniel R. Schroer · Saginaw, US
Larry D. Dotson · Midland, US
Michael F. Heckert · Lake Orion, US
Greg T Stewart · Midland, US

Key dates

Filing date	Nov 14, 2018
Grant date	Nov 14, 2023
Priority date	—
Expiry date	Jan 21, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05B7/0416
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A fluid dispensing device has a spool valve in a dispenser housing with a spool in a spool housing and a spool wall around the spool housing with entrance and an exit openings defined therethrough; an entrance channel in the dispenser housing proximate to the spool wall entrance opening; a force applying element in the entrance channel that applies force against the spool wall with entrance and exit ends with the exit end proximate to the spool wall; a hose adapter fitting with an entrance end extending out from and an exit end extending into the entrance and contacting the force applying element with a flow passage extending through it; and fluid communication through the hose adapter fitting flow passage through the force applying element and into an entrance opening in the spool wall; where the force applying element defines a tortuous path through which fluid must travel.

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