Vorfilteranordnungen und Ventile für einen Industriestaubabscheider

Details

Veröffentlichungs-Nr.

EP4711082

Anmeldetag

19. Juni 2023

Veröffentlichung

18. März 2026

Rechtsraum

EP

IPC

B24B55/06(HUSQVARNA AB et al.)(AMISANI GIANNI et al.)

Abstract

A valve arrangement (400) configured to generate a reverse flow of air to clean a pre-filter (200) for a heavy-duty dust extractor (100), the arrangement comprising:a main valve closure body (410) arranged to move between a first position (420) and a second position (430),where, in the first position (420), the main valve closure body (410) is arranged to seal a passage (440) between an ambient pressure (P2) side and a low pressure (P3) side of the valve arrangement (400),where, in the second position (430), the main valve closure body (410) is arranged to seal a passage (450) between the low pressure (P3) side of the valve arrangement (400) and a suction conduit (140, P4),the valve arrangement (400) further comprising:a control body (460), connected to the main valve closure body (410), such that a position of the main valve closure body (410) is determined by a position of the control body (460),a control chamber (461), partially defined by the control body (460), whereby a volume of the control chamber (461) is variable in relation to the position of the control body (460), anda control chamber valve (462) having an open state and a closed state for regulating a pressure (P1) in the control chamber,wherein the state of the control chamber valve (462) is determined by a trigger device (470, 480).

Anmelder

Firma

Husqvarna AB

Land

🇸🇪 Schweden

Fachgebiete