EP 0386420 A3 19910227 - WHIRLPOOL BATHTUB
Title (en)
WHIRLPOOL BATHTUB
Publication
Application
Priority
DE 8902725 U 19890307
Abstract (en)
[origin: EP0386420A2] The invention relates to a whirlpool bathtub or the like with a piping system having a pressure water line and a water feed line, via which system a water/air mixture is introduced into the interior space of the bathtub by means of at least one nozzle, the air line being divided into two air line sections, each nozzle being connected with one or the other air line section, at least two electrically actuatable solenoid valves, which are designed as off/on valves, being arranged in sequence in the first air line section, at least one solenoid valve, which is designed as an off/on valve, being arranged in the second air line section, and the section of line between the first and the second solenoid valve being in flow connection with the second air line section, upstream of the solenoid valve arranged in the second air line section. In this manner, varying volumes of air can be supplied continuously or intermittently to the nozzles. <IMAGE>
IPC 1-7
IPC 8 full level
A61H 33/02 (2006.01); A61H 33/00 (2006.01)
CPC (source: EP)
A61H 33/02 (2013.01); A61H 33/6057 (2013.01); A61H 33/60 (2013.01)
Citation (search report)
- [A] DE 3507473 A1 19860904 - KALDEWEI FRANZ GMBH & CO [DE]
- [A] US 3263678 A 19660802 - EVERSTON JOSEPH H
- [A] DE 3447161 A1 19860703 - HOESCH & SOEHNE EBERHARD [DE]
- [A] FR 2265351 A2 19751024 - NICOLLET MICHEL [FR]
Designated contracting state (EPC)
DE ES FR GB IT NL
DOCDB simple family (publication)
DE 8902725 U1 19890706; EP 0386420 A2 19900912; EP 0386420 A3 19910227
DOCDB simple family (application)
DE 8902725 U 19890307; EP 90100978 A 19900118