Method and apparatus for automatic sampling of gases

Patent · Tue Nov 10 04:00:00 EST 1987

OSTI ID:5676335

Conrad, R W

Gas washing apparatus for sequentially selecting samples of gas from a common source of gas over a predetermined time interval is described comprising: sample containers, an outer housing including at least one display shelf, and support means operative to support the sample containers in a row on the display shelf; a vacuum source including a gas evacuation line from the vacuum source to each of the sample containers, and a gas supply line extending from the source of gas to each of the sample containers; means for connecting the gas supply lines an gas evacuation lines to each of the sample containers; valve control means normally closing the gas supply and gas evacuation lines to each sample container including activating means associated with the valve control means and operative to simultaneously open the gas supply line and gas evacuation line to each sample container in succession; control circuit means for transmitting the control signals sequentially to the activating means at predetermined timed intervals; and a control panel associated with the housing.

• Assignee: Romed Corp., Denver, CO
• Patent Number(s): US 4704910
• OSTI ID: 5676335
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
AUTOMATION
CLEANING
CONTROL EQUIPMENT
CONTROL SYSTEMS
DESIGN
ELECTRONIC CIRCUITS
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
FLUIDS
GAS FLOW
GASES
OPERATION
SAMPLERS
SAMPLING
VACUUM SYSTEMS
VALVES
WASHING