Whirlpool bathtub and purging system
US9775772B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2016 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Mar 2, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2033/022
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A whirlpool bathtub system includes a basin having a plurality of nozzles, a water feed line connected to the plurality of nozzles, an air feed line connected to the plurality of nozzles, a pump configured to circulate water to the basin through the water feed line, and a blower having an off condition and an on condition, the blower being configured to provide air to the basin through the air feed line. When the blower is in the off condition, the blower is configured to allow air to flow into the air feed line. When the blower is in the on condition, the blower is configured to increase the flow of air flowing into the air feed line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.