The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 06, 2001
Filed:
Apr. 20, 1998
Applicant:
Inventors:
John William Ernest Brydon, Waverton, AU;
Peter John Deacon Wickham, Five Dock, AU;
Miroslav Bachak, Wahroonga, AU;
Shane Douglas Hollis, Denistone, AU;
Assignee:
ResMed Limited, North Ryde, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B 9/02 ;
U.S. Cl.
CPC ...
A62B 9/02 ;
Abstract
The pressure of breathable gas exiting a flow generator (,) is controlled by adjusting the efficiency of the flow generator. In one embodiment, a baffle plate (,) of a control element (,) can restrict the open entry area of a motor (,) driven turbine (,) of the flow generator. In another form, the degree of opening of the mouth of the flow generator inlet (,), and hence the pneumatic impedance, can be controlled, as in a similar manner can the impedance outlet (,).