SE304475BSE449266ASE449266ASE304475BSE 304475 BSE304475 BSE 304475BSE 449266 ASE449266 ASE 449266ASE 449266 ASE449266 ASE 449266ASE 304475 BSE304475 BSE 304475B
Authority
SE
Sweden
Application number
SE449266A
Inventor
M Kaila
Original Assignee
Waertsilae Oy Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Waertsilae Oy AbfiledCriticalWaertsilae Oy Ab
Publication of SE304475BpublicationCriticalpatent/SE304475B/xx
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
F16L55/02—Energy absorbers; Noise absorbers
F16L55/027—Throttle passages
F16L55/02772—Throttle passages using spirally or helically shaped channels