To provide a method for protecting a user in an enclosed environment.
The method for protecting the user in the enclosed environment 65 includes: providing the enclosed environment 65 that holds cargo that has first odor; flowing a gas to the enclosed environment 65; and adding an odorant 25 having a second odor to the gas, the first odor being distinctive from the second odor such that a presence of the second odorant provides a warning that the gas is present. If a regulator/control valve 70 and diverter valve 75 fail, leak or operate properly, enough pressure may be exerted on an odorant module 20 to cause a disk seal 35 to burst and gas passing through a conduit 10 acts as a venturi to pull an odorant 110 into the conduit 10 and odorize inert gas. By using a particular odorant 110, one who enters the enclosed environment 65 senses the odorant and vents the enclosed environment 65, and shuts off a system 45 by closing a valve 95 before safely entering the enclosed environment 65.
RENNIE PAUL
GATSONIDES JOSEPHINE GABRIELLE
GLASER ROBERT E
| JPH0654921A | 1994-03-01 | |||
| JPH06170010A | 1994-06-21 |
| US2704127A | 1955-03-15 | |||
| US3861350A | 1975-01-21 | |||
| US20030136879A1 | 2003-07-24 |
Tomioka Kiyoshi
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