Gas sampling probe

Details Gas sampling probe Gas sampling probe

1975-11-10

1977-05-03

Queisser, Richard C.

Measuring and testing

Measuring vessel

73 405R, G01N 122

Patent

active

040206971

ABSTRACT:
Disclosed is a probe for use in obtaining gas samples from around subsurface conduit systems. The probe has an elongate body with a chamber extending through the length of said body. A threaded reduced diameter portion is formed on the rearmost end of the body for use in attaching the probe to a length of conduit. A shoulder is formed adjacent to the threaded portion and has a diameter slightly larger than the conduit to which the probe is attached. The shoulder is adjacent to an enlarged portion with an arcuate periphery. A reduced diameter portion is formed adjacent to the enlarged portion. A plurality of bores extend through the reduced diameter portion from various directions and communicate with the axial chamber in the body. A bulbous portion is formed on the forwardmost end of the probe adjacent to the reduced diameter portion.

REFERENCES:
patent: 2386832 (1945-10-01), Zaikowsky et al.
patent: 2742266 (1956-04-01), Voelkerding
patent: 3084553 (1963-04-01), Cullinan et al.
patent: 3106089 (1963-10-01), Scott et al.
patent: 3198265 (1965-08-01), Voelkerding
patent: 3343421 (1967-09-01), Miller
patent: 3490288 (1970-01-01), Patnode
patent: 3610048 (1970-10-01), Weeks
patent: 3943750 (1976-03-01), McLaughlin

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