Title:
SOLENOID PINCH VALVE APPARATUS AND METHOD FOR MEDICAL FLUID APPLICATIONS HAVING REDUCED NOISE PRODUCTION
Document Type and Number:
WIPO Patent Application WO/2010/141241
Kind Code:
A4
Abstract:
A low noise solenoid valve system (10) includes a solenoid valve (20); and a controller (50) configured to perform a power actuation sequence in which power to the solenoid (20) valve undergoes a plurality of cycles that switch from an actuation level power to a hold level power, wherein the actuation level power is increased at each subsequent cycle, and wherein the actuation power level of one of the plurality of cycles is sufficient to fully actuate the solenoid valve (20).
Inventors:
BEDINGFIELD JOHN (US)
Application Number:
PCT/US2010/035730
Publication Date:
April 07, 2011
Filing Date:
May 21, 2010
Export Citation:
Assignee:
BAXTER INT (US)
BAXTER HEALTHCARE SA (CH)
BEDINGFIELD JOHN (US)
BAXTER HEALTHCARE SA (CH)
BEDINGFIELD JOHN (US)
International Classes:
F16K31/04; F16K7/04; F16K31/06
Attorney, Agent or Firm:
K&L GATES LLP et al. (Chicago, Illinois, US)
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