Low noise linear diaphragm compressor by variable amplitude driver

• Main Authors: RECEVEUR, TIMOTHY JOSEPH, WILLIAMS, JOSHUA A, WILSON, BRADLEY T, VANDERPOHL, IRVIN JOHN, III
• Format: Patent
• Language: English; French; German
• Published: 17.10.2012
• Subjects: CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

A patient-support apparatus (100) includes an inflatable support structure (112), a variable output pump (114), a power supply (140) and a controller (116). The pump includes a driver that is responsive to variations in the power signal applied to the driver to vary the output from the pump. The pum...