US 12,359,670 B2
PAP system blower
Samuel Aziz Mebasser, Chatsworth, CA (US); Peter Jeffrey Thomas, Sylmar, CA (US); Roman Vinokur, Woodland Hills, CA (US); Kevin Gene McCulloh, Simi Valley, CA (US); William S Lane, Palmdale, CA (US); Yeu-chuan Hsia, Northridge, CA (US); Michael David Bednar, Playa del Rey, CA (US); John Paul Freese, Palmdale, CA (US); Karl Yutaka Iwahashi, Granada Hills, CA (US); David Brent Sears, Woodland Hills, CA (US); Barton John Kenyon, Sydney (AU); Richard G Krum, Camarillo, CA (US); Par Egron Dannas, Thousand Oaks, CA (US); Hiroshi Suzuki, Canyon Country, CA (US); and Malcolm Edward Leader, Durango, CO (US)
Assigned to ResMed Motor Technologies Inc., Chatsworth, CA (US)
Filed by ResMed Motor Technologies Inc., Chatsworth, CA (US)
Filed on Dec. 27, 2023, as Appl. No. 18/396,820.
Application 18/396,820 is a continuation of application No. 17/887,147, filed on Aug. 12, 2022, granted, now 11,859,622.
Application 17/887,147 is a continuation of application No. 16/798,483, filed on Feb. 24, 2020, granted, now 11,428,232, issued on Aug. 30, 2022.
Application 16/798,483 is a continuation of application No. 14/112,072, granted, now 10,576,227, issued on Mar. 3, 2020, previously published as PCT/US2012/034017, filed on Apr. 18, 2012.
Claims priority of provisional application 61/457,526, filed on Apr. 18, 2011.
Claims priority of provisional application 61/630,920, filed on Dec. 22, 2011.
Prior Publication US 2024/0125325 A1, Apr. 18, 2024
Int. Cl. F04D 25/06 (2006.01); A61M 16/00 (2006.01); F04D 17/16 (2006.01); F04D 25/08 (2006.01); F04D 29/056 (2006.01); F04D 29/70 (2006.01); A61M 16/06 (2006.01); A61M 16/10 (2006.01); F04D 29/057 (2006.01); F04D 29/20 (2006.01); F04D 29/40 (2006.01); F04D 29/44 (2006.01); F04D 29/66 (2006.01)
CPC F04D 25/0613 (2013.01) [F04D 17/16 (2013.01); F04D 25/062 (2013.01); F04D 25/08 (2013.01); F04D 29/056 (2013.01); A61M 16/0066 (2013.01); A61M 16/06 (2013.01); A61M 16/0633 (2014.02); A61M 16/0683 (2013.01); A61M 16/107 (2014.02); A61M 2205/0222 (2013.01); A61M 2205/0238 (2013.01); F04D 29/057 (2013.01); F04D 29/20 (2013.01); F04D 29/403 (2013.01); F04D 29/441 (2013.01); F04D 29/444 (2013.01); F04D 29/668 (2013.01); F04D 29/701 (2013.01); F04D 29/703 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A blower, comprising:
a housing including an inlet and an outlet;
a motor provided to the housing and configured to drive a rotor;
an impeller provided to the rotor,
wherein the impeller is supported on the rotor by a rotor cap; and
an inlet cap provided to the inlet of the housing, the inlet cap configured to occlude or block at least a central portion of the inlet,
wherein the inlet cap includes a generally disk-shaped inner portion configured to occlude or block at least the central portion of the inlet, a generally ring-shaped outer portion configured to support the inlet cap at the inlet, and spokes or connectors that interconnect the inner and outer portions, and
wherein the housing includes a top cover forming the inlet and configured to cover the impeller, and wherein a clearance between the rotor cap and the generally disk-shaped inner portion of the inlet cap is substantially similar to a clearance between the impeller and the top cover.