Bathtub having a pump, and bath system having a pump
US4982461A · kind A · utility
35Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 1990 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | May 21, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2201/1207
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bathtub having a pump, comprising a tub having side walls one of which has an inner surface, an outer surface, and a thin portion made of magnetically permeable material, pump means secured to the inner surface of the thin portion, for taking in hot water from said tub and pressurizing the hot water, motor means secured to the outer surface of the thin portion and opposing said pump means, and a magnetic coupling means for mangetically connecting said pump means and said motor means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.