Pneumatic massage
US11039975B2 · kind B2 · utility
1Cited by
41References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2019 |
| Grant date | Jun 22, 2021 |
| Priority date | — |
| Expiry date | Aug 19, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/914
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pneumatic system includes a fluidic switching module having an air passage and a vent in fluid communication with the air passage. The pneumatic system also includes a sound attenuator coupled to the fluidic switching module, the sound attenuator having a first chamber in fluid communication with the vent, a first orifice in fluid communication with the vent via the first chamber, a second chamber in fluid communication with the first chamber via the first orifice, and a second orifice in fluid communication with the first orifice via the second chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.