EP 0307961 B1 19901227 - CLEANING DEVICE FOR HEAT EXCHANGERS WITH TUBE BUNDLES, PARTICULARLY FOR THE TUBE PLATE AND SPACER PLATE AREA
Title (en)
CLEANING DEVICE FOR HEAT EXCHANGERS WITH TUBE BUNDLES, PARTICULARLY FOR THE TUBE PLATE AND SPACER PLATE AREA
Publication
Application
Priority
DE 8712637 U 19870918
Abstract (en)
[origin: US4844021A] A cleaning device for heat exchangers having tube bundles includes a lance with nozzles to be introduced through an opening in a heat exchanger into a tube bundle in the heat exchanger. A hollow cylinder guides the lance. A flange connected to the hollow cylinder fastens the hollow cylinder at the opening of the heat exchanger. The lance is incrementally advanced. A pivot device for moving the lance includes a motor disposed on the hollow cylinder, a pendulum gear connected to the motor, and a carrier engaging the pendulum gear. The carrier has wheels guided in longitudinal grooves formed in the lance.
IPC 1-7
IPC 8 full level
F22B 37/48 (2006.01); F28G 3/16 (2006.01)
CPC (source: EP US)
F22B 37/483 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE FR SE
DOCDB simple family (publication)
EP 0307961 A1 19890322; EP 0307961 B1 19901227; DE 3861447 D1 19910207; DE 8712637 U1 19890112; US 4844021 A 19890704; YU 107688 A 19910228
DOCDB simple family (application)
EP 88115337 A 19880919; DE 3861447 T 19880919; DE 8712637 U 19870918; US 24536488 A 19880916; YU 107688 A 19880602