Measuring and testing – Probe or probe mounting
Patent
1996-09-18
1997-10-28
Raevis, Robert
Measuring and testing
Probe or probe mounting
G01M 1900
Patent
active
056820020
ABSTRACT:
The object of the invention is to provide a novel pressure-tight screwed instrumentation fitting for a pressure vessel, which screwed instrumentation fitting has, for acceptable material costs, both a low assembly cost and a small space requirement and in which the measuring lines are not damaged.
According to the invention this is achieved by two axial stops (24, 25) being formed in the cap nut (13) and by a third axial stop (26) being formed in the screw-in socket (10). The cap nut (13) and the screw-in socket (10) form a common interior space (15) which is bounded axially by the second and third stops (25, 26) and in which a multi-piece sealing insert (16) is arranged. The latter consists of a pressure-bearing front part (17), an end plate (18), a sealing sleeve (19) in between with a sealing element (20) arranged therein, and also the clamping ring (21). Both the sealing sleeve (19) and the sealing element (20) are produced from a sufficiently heat-resistant, deformable material, preferably steatite. The clamping ring (21) is supported on the sealing sleeve (19). Radial slots (29) corresponding to the size, shape and number of measuring lines (6) are formed and axially oriented with respect to one another in the front part (17), in the end plate (18) and in the sealing element (20).
REFERENCES:
patent: 733588 (1903-07-01), Janda
patent: 3047298 (1962-07-01), St Clair et al.
patent: 3753569 (1973-08-01), Bonomi
patent: 4011017 (1977-03-01), Feuerstein et al.
patent: 4569228 (1986-02-01), Bellgardt et al.
Asea Brown Boveri AG
Raevis Robert
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