Rectangular wave guide elbow bent across the narrow side with ca

Details Rectangular wave guide elbow bent across the narrow side with ca Rectangular wave guide elbow bent across the narrow side with ca

1979-12-10

1981-10-13

Nussbaum, Marvin

Wave transmission lines and networks

Long line elements and components

Waveguide elements and components

333 33, H01P 102

Patent

active

042951097

ABSTRACT:
A rectangular wave guide H-elbow bent across the narrow side of the wave guide and having its outer corner flattened by a symmetrically angled conducting plane. The present invention provides for the reduction of the reflection factor in such elbow by providing that the relative corner flattening of the wave guide produces a value of x.sub.H /a greater than 0.73 wherein a is the length of the wide side of the wave guide and x.sub.H is the distance from the apex of the wave guide before it is flattened by the conducting plane to the junction of the conducting plane with the narrow side of the wave guide. Furthermore, capacitive loading means of cylindrical form are arranged in the area of the geometrical median w of the bend of the wave guide and being in the form of conductive cylinders 1 or 3 as illustrated in FIGS. 2 and 3.

REFERENCES:
patent: 2737634 (1956-03-01), Lewin et al.
"Taschenbuch der Hochfrequenztechnic", Springer-Verlag, Berlin, 1962; pp. 401-402.

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