Patent · US Active

Fluid dispensing apparatus

US9914124B2 · kind B2 · utility

1Cited by

267References

4Claims

0Family size

Assignee

Sakura Finetek U.S.A., Inc. · US

Inventor

Xuan S. Bui · Culver City, US

Key dates

Filing date	Jun 10, 2013
Grant date	Mar 13, 2018
Priority date	—
Expiry date	Jun 10, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/2575
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A fluid dispensing apparatus includes a fluid reservoir and a dispensing assembly. The dispensing assembly includes a housing and a deformable member that define a metering chamber that is configured to receive a predetermined volume of fluid from the fluid reservoir. The deformable member is deformed from a rest position to an eject position and the deformation causes the volume of the metering chamber to change which results in a change in fluid pressure within the metering chamber. An increase in the fluid pressure within metering chamber causes a predetermined volume of fluid within the metering chamber to be ejected and a decrease in the fluid pressure within the metering chamber causes fluid to be drawn into the metering chamber from the reservoir.

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