Patent ID: 11969613
Assignee: R. STAHL SCHALTGERäTE GMBH
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC A  H  E | IPC A  E  H

Claim 0:
1. An explosion-proof housing, comprising:
a plurality of outer walls that enclose a housing interior and separate the housing interior in an explosion-proof manner from an explosive atmosphere in an environment;
at least one gas-permeable flameproof insert provided in at least one of the plurality of outer walls, the at least one gas-permeable flameproof insert having an inner side facing the housing interior and an outer side facing the environment;
at least one guide device defining a flow channel adjacent to either the inner side or the outer side of the at least one gas-permeable flameproof insert in which gas flows through the at least one gas-permeable flameproof insert; and
wherein the at least one guide device is configured to form a main gas flow having a main gas flow direction along the outer side or the inner side of the at least one gas-permeable flameproof insert in the flow channel and the flow channel comprises a channel inlet and a channel outlet arranged with distance to the channel inlet in the main gas flow direction, the channel inlet and the channel outlet open in the environment and the at least one gas-permeable flameproof insert is arranged between the channel inlet and the channel outlet in the main gas flow direction, the channel inlet being arranged vertically below the channel outlet and the at least one guide device having multiple guide walls that enclose the flow channel in a circumferential direction around the main gas flow direction only on three sides and limit the flow channel together with an adjacent one of the plurality of outer walls.