CPC Subgroup
H01H 37/36 actuated due to expansion or contraction of a fluid with or without vaporisation (the fluid forming a contact of the switch H01H29/04, H01H29/30)
Full Title
Thermally-actuated switches > Details > Thermally-sensitive members > actuated due to expansion or contraction of a fluid with or without vaporisation (the fluid forming a contact of the switch H01H29/04, H01H29/30)
4 direct subcodes
Child Classifications
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- H01H 37/38 with bellows
- H01H 37/40 with diaphragm
- H01H 37/42 with curled flexible tube, e.g. Bourdon tube
- H01H 37/44 with piston and cylinder