Title:
FLUOROCARBON GAS DETECTOR
Document Type and Number:
Japanese Patent JP3497918
Kind Code:
B2
Abstract:
PURPOSE: To provide a fluorocarbon gas detector that detects the fluorocarbon gas leakage places of a refrigerator and refrigerant piping without peeling off protecting material and heat insulating material wound around the refrigera tor and refrigerant piping.
CONSTITUTION: In a fluorocarbon gas detector, LP gas, for instance, is filled in a cylinder 7, and a combustion cylinder 1 is connected to the upper end of the cylinder 7 through a valve 6. The LP gas in the cylinder 7 is jetted from a nozzle 4, provided in the combustion cylinder 1, through the valve 6 and ignited through an ignition opening 3 so as to set a flame 3a. The upper end of the combustion cylinder 1 is provided with an opening part, and an intake pipe 5 for introducing gas, sucked from the tip, into the combustion cylinder 1 is connected to the combustion cylinder 1. A needle-like intake small- diameter tube 8 is connected to the tip of the intake pipe 5. The intake small- diameter tube 8 is of double tube structure, and an intake hole 8a is formed at the center of an inner tube, while a plurarity of intake holes 8b are formed at the peripheral surface of an outer tube.
Inventors:
Fukunaga Sanchio
Application Number:
JP11682095A
Publication Date:
February 16, 2004
Filing Date:
May 16, 1995
Export Citation:
Assignee:
Mitsubishi Electric Building Techno Service Co., Ltd.
International Classes:
G01N31/12; G01M3/04; G01M3/20; (IPC1-7): G01M3/04; G01M3/20
Domestic Patent References:
| JP63134930A | ||||
| JP4865288U |
Attorney, Agent or Firm:
Kenji Yoshida (1 person outside)
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