IT1245493B - LABYRINTH SEAL PERFECTED FOR STEAM TURBINES - Google Patents

LABYRINTH SEAL PERFECTED FOR STEAM TURBINES

Info

Publication number
IT1245493B
IT1245493B ITMI910093A ITMI910093A IT1245493B IT 1245493 B IT1245493 B IT 1245493B IT MI910093 A ITMI910093 A IT MI910093A IT MI910093 A ITMI910093 A IT MI910093A IT 1245493 B IT1245493 B IT 1245493B
Authority
IT
Italy
Prior art keywords
labyrinth seal
steam turbines
base part
honeycomb cells
honeycomb
Prior art date
Application number
ITMI910093A
Other languages
Italian (it)
Inventor
Lewis Gray
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ITMI910093A0 publication Critical patent/ITMI910093A0/en
Publication of ITMI910093A1 publication Critical patent/ITMI910093A1/en
Application granted granted Critical
Publication of IT1245493B publication Critical patent/IT1245493B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/20—Geometry three-dimensional
    • F05B2250/28—Geometry three-dimensional patterned
    • F05B2250/283—Honeycomb

Landscapes

  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Abstract

Una tenuta a labirinto a nido d'ape comprende una fila più a valle di celle a nido d'ape (9A) che si estendono oltre il bordo di uscita di una parte di base (5) cosicché una parte di ogni cella (9A) della fila più a valle delle celle a nido d'ape sporge oltre la parte di base (5) di una quantità all'incirca eguale a metà larghezza delle scanalature di drenaggio (11) formate nella parte di base (5) per assicurare lo scarico dell'umidità dalle celle a nido d'ape (9) attraverso le loro parti di base (7).A honeycomb labyrinth seal comprises a further downstream row of honeycomb cells (9A) which extend beyond the trailing edge of a base part (5) so that a part of each cell (9A) of the row further downstream of the honeycomb cells protrudes beyond the base part (5) by an amount approximately equal to half the width of the drainage grooves (11) formed in the base part (5) to ensure the discharge moisture from the honeycomb cells (9) through their base parts (7).

ITMI910093A 1990-01-26 1991-01-16 LABYRINTH SEAL PERFECTED FOR STEAM TURBINES IT1245493B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47047090A 1990-01-26 1990-01-26

Publications (3)

Publication Number Publication Date
ITMI910093A0 ITMI910093A0 (en) 1991-01-16
ITMI910093A1 ITMI910093A1 (en) 1992-07-16
IT1245493B true IT1245493B (en) 1994-09-27

Family

ID=23867747

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI910093A IT1245493B (en) 1990-01-26 1991-01-16 LABYRINTH SEAL PERFECTED FOR STEAM TURBINES

Country Status (6)

Country Link
JP (1) JPH0711243B2 (en)
KR (1) KR0178983B1 (en)
CN (1) CN1024705C (en)
CA (1) CA2034980A1 (en)
ES (1) ES2027908A6 (en)
IT (1) IT1245493B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6485025B1 (en) * 2000-11-27 2002-11-26 Neomet Limited Metallic cellular structure
CN101906994B (en) * 2009-06-04 2012-05-23 中国石油化工集团公司 High-temperature axial-flow type tail gas turbine
JP2013204795A (en) * 2012-03-29 2013-10-07 Mitsubishi Heavy Ind Ltd Seal device
CN106640741B (en) * 2017-01-04 2022-08-02 珠海格力节能环保制冷技术研究中心有限公司 Sealing member, compressor and air conditioner

Also Published As

Publication number Publication date
JPH0711243B2 (en) 1995-02-08
ES2027908A6 (en) 1992-06-16
CN1053659A (en) 1991-08-07
ITMI910093A0 (en) 1991-01-16
CA2034980A1 (en) 1991-07-27
JPH04214905A (en) 1992-08-05
ITMI910093A1 (en) 1992-07-16
CN1024705C (en) 1994-05-25
KR0178983B1 (en) 1999-03-20

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990129