Protective equipment including a closed suit
US5339806A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 26, 1991 |
| Grant date | Aug 23, 1994 |
| Priority date | — |
| Expiry date | Nov 26, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B17/005
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An individual protective equipment for use in a hostile environment comprises a closed suit including a flexible gas-tight garment and a helmet having a transparent visor and having a gas-tight connection with the garment. The equipment also includes a portable tank for storage of liquefied breathing gas and a heat exchanger having a primary circuit whose inlet is connected to an outlet of the storage tank and whose outlet feeds a breathing circuit. A gas motor is connected to receive a flow of breathing gas evaporated in the primary circuit and delivers the flow to the breathing circuit. A blower driven by the motor is inserted in a garment ventilation circuit including the secondary circuit of the exchanger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.