Global Patent Index - EP 3732351 A1

EP 3732351 A1 20201104 - VANE EXPANDER AND RELATED ENERGY RECOVERY CIRCUIT

Title (en)

VANE EXPANDER AND RELATED ENERGY RECOVERY CIRCUIT

Title (de)

SCHAUFEL-EXPANDER UND ZUGEHÖRIGE ENERGIERÜCKGEWINNUNGSSCHALTUNG

Title (fr)

DÉPLOYEUR D'AUBES ET CIRCUIT DE RÉCUPÉRATION D'ÉNERGIE ASSOCIÉ

Publication

EP 3732351 A1 20201104 (EN)

Application

EP 18839733 A 20181228

Priority

  • IT 201700151144 A 20171229
  • IB 2018060703 W 20181228

Abstract (en)

[origin: WO2019130268A1] A vane expander (1) comprising a stator (2) with an inlet port (16) and an outlet port (17) for an operating fluid, a rotor (3) eccentrically housed in the stator (2) and provided with a body (7) internally tangent to an inner wall (6) of the stator (2) and with a plurality of vanes (9) sliding in respective seats (10) provided in the body (7) of the rotor (3) and pushed in a centrifugal direction for cooperating in a sealed manner with the inner wall (6), the stator (2) and the body (7) of the rotor delimiting between each other a circumferential chamber (14) of varying radial width divided by the vanes (9) into a plurality of compartments (15) and communicating with the inlet (16) and outlet (17) ports; the expander (1) comprising an inlet (20, 22) for the introduction of a supplementary flow rate of operating fluid in the vapour state into an expansion portion (18) of the chamber (14) isolated from the inlet port (16) and from the outlet port (17).

IPC 8 full level

F01C 1/344 (2006.01); F01C 11/00 (2006.01); F01C 21/06 (2006.01); F04C 23/02 (2006.01); F04C 29/00 (2006.01); F25B 1/00 (2006.01); F25B 27/00 (2006.01)

CPC (source: EP)

F01C 1/344 (2013.01); F01C 1/3442 (2013.01); F01C 11/00 (2013.01); F01C 11/004 (2013.01); F01C 11/008 (2013.01); F01C 21/06 (2013.01); F04C 23/02 (2013.01); F04C 29/0007 (2013.01); F25B 11/02 (2013.01)

Citation (search report)

See references of WO 2019130268A1

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2019130268 A1 20190704; EP 3732351 A1 20201104; EP 3732351 B1 20230524

DOCDB simple family (application)

IB 2018060703 W 20181228; EP 18839733 A 20181228