EP 4078063 A4 20231220 - HEAT TRANSFER TUBE WITH MULTIPLE ENHANCEMENTS
Title (en)
HEAT TRANSFER TUBE WITH MULTIPLE ENHANCEMENTS
Title (de)
WÄRMEÜBERTRAGUNGSROHR MIT MEHREREN VERBESSERUNGEN
Title (fr)
TUBE DE TRANSFERT THERMIQUE PRÉSENTANT DES PERFECTIONNEMENTS MULTIPLES
Publication
Application
Priority
- US 201916722808 A 20191220
- US 2020065856 W 20201218
Abstract (en)
[origin: WO2021127340A1] A heat transfer tube including an inner surface including a plurality of grooves. The plurality of grooves includes at least primary grooves and secondary grooves, wherein the primary grooves extend axially along a length of the tube, and the secondary grooves intersect the primary grooves.
IPC 8 full level
F28F 1/40 (2006.01); B23P 15/26 (2006.01); F28D 21/00 (2006.01); F28F 1/08 (2006.01); F28F 13/02 (2006.01); F28F 13/12 (2006.01); F28F 21/08 (2006.01)
CPC (source: EP)
B23P 15/26 (2013.01); F28F 1/08 (2013.01); F28F 1/40 (2013.01); F28F 13/02 (2013.01); F28F 13/12 (2013.01); F28D 2021/0068 (2013.01); F28F 21/084 (2013.01); F28F 2210/06 (2013.01)
Citation (search report)
[X] US 2016097604 A1 20160407 - REAGEN SCOT [US], et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2021127340 A1 20210624; BR 112022012070 A2 20220830; CN 115244354 A 20221025; EP 4078063 A1 20221026; EP 4078063 A4 20231220; JP 2023508887 A 20230306; MX 2022007765 A 20220927
DOCDB simple family (application)
US 2020065856 W 20201218; BR 112022012070 A 20201218; CN 202080088998 A 20201218; EP 20903875 A 20201218; JP 2022537433 A 20201218; MX 2022007765 A 20201218