Patent ID: 6218912
Filing Date: 2001-04-17
Classification: H01P

Abstract:
A microwave switch comprising a housing (1) and a rotor (2) having a rotor axis (A), wherein said rotor comprises respective plate-shaped parts (10,20) having corresponding ring-shaped outer surfaces (OS,OS') and walls (15,16,17,18) extending between said plate-shaped parts (10,20), said rotor (2) being provided with through-going passages (7,8,9) extending transversely to said rotor axis (A) between said plate-shaped parts (10,20) and said walls (15,16,17,18), said plate-shaped parts (10,20) being provided with a plurality of grooves (6) in said ring-shaped outer surfaces (OS,OS') in order to improve isolation of said passages (7,8,9), said grooves extending in a longitudinal direction thereof so as to be substantially parallel to said rotor axis (A) and opening into said passages, said passages (7,8,9) being bounded by said plate-shaped parts (10,20) in both directions of said rotor axis (A).