US2643078A - Elastic fluid turbine support - Google Patents

Elastic fluid turbine support Download PDF

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Publication number
US2643078A
US2643078A US740247A US74024747A US2643078A US 2643078 A US2643078 A US 2643078A US 740247 A US740247 A US 740247A US 74024747 A US74024747 A US 74024747A US 2643078 A US2643078 A US 2643078A
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United States
Prior art keywords
casing
elastic fluid
fluid turbine
turbine support
turbine
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Legal status (The legal status 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 status listed.)
Expired - Lifetime
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US740247A
Inventor
Brown Thomas Walter Falconer
Yates Henry George
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Parsons and Marine Engineering Turbine Research and Development Association
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S248/00—Supports
    • Y10S248/901—Support having temperature or pressure responsive feature

Definitions

  • This invention relates to elastic fluid turbines. Owing to the high temperature at which such turbines operate, considerable expansion of the casing takes place which is liable to impose severe stresses thereupon if rigidly connected to pipes or other elements fixed in space, and the object of the present invention is to provide simple means for overcoming this difiiculty.
  • the invention consist in suspension means for an elastic fluid turbine casing incorporating features set forth in the claims appended hereto.
  • Figure l is an end view of one convenient construction of gas turbine embodying the present invention.
  • Figure 2 is a vertical longitudinal sectional view thereof
  • Figure 3 is a sectional plan view thereof.
  • one end of the casing 11 which, in the example shown, is disposed with its longitudinal axis horizontal, has rigidly secured thereto the ends of eight steel supporting plates b, b.
  • the plates are arranged as two separate units with two plates in each unit and the units are disposed in pairs.
  • the plates b, b of one pair of units are horizontal and the plates 1), b of the other pair of units are vertical.
  • the other end of the casing is supported in like fashion.
  • the ends of the plates not connected to the casing a are rigidly secured to flat surfaces on rigid parts of the apparatus, for example, the bearing casings as shown, so that the turbine casing a is suspended in a floating fashion on cantilever springs constituted by the aforesaid steel plate 1), b, which extend from their points of attachment to the casing longitudinally to the rigid parts 0, and is capable of radial movement in relation to the longitudinal axis, which axis is maintained in a desired position.
  • Piping for connection to the turbine casing may be secured in any convenient manner to the casing, but it is preferred that it be connected thereto by way of yieldable connecting unions d as described in co-pending British specification No. 13778/46.
  • a light steel shell e encircles the turbine casing to provide a cavity for conveyance of the hot gases.
  • the pipe ends are preferably supported in a yoke member f external to the seal joint between the piping and easing.
  • casing suspension means comprising a plurality of sets of units disposed in planes parallel to one another and to the turbine axis and located on opposite sides of the said axis, each unit comprising a substantially fiat metal plate extending longitudinally of the said casing to a said bearing support, and mean rigidly attaching the plate to the said casing and bearing support, the plate having a pair of spaced opposite edges extending longitudinally of the turbine from the casing to the bearing support, the plate and the said pair of edges being free to move, except as restrained by the said means attaching it to the casing and bearing support.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Description

June23, 1953 r. w. F. BROWN ET AL 2,643,078
ELA STIC FLUID TURBINE SUPPORT Filed April 8, 1947 3 Sheets-Sheet 1 I A770 05x5 June 23, 1953 Filed April 8, 1947 T. W. F. BROWN ET AL ELASTIC FLUID TURBINE SUPPORT 3 Sheets-Sheet 2 5/ wan June 23, 1953 I T. W. F. BROWN ET AL 2,643,078
ELASTIC FLUID TURBINE SUPPORT Filed April 8, 19471 3 Sheets-Sheet 3 Patented June 23, 1953 UNITED STATES PATENT OFFICE ELASTIC FLUID TURBINE SUPPORT Application April 8, 1947, Serial No. 740,247 In Great Britain May 7, 1946 4 Claims. 1
This invention relates to elastic fluid turbines. Owing to the high temperature at which such turbines operate, considerable expansion of the casing takes place which is liable to impose severe stresses thereupon if rigidly connected to pipes or other elements fixed in space, and the object of the present invention is to provide simple means for overcoming this difiiculty.
The invention consist in suspension means for an elastic fluid turbine casing incorporating features set forth in the claims appended hereto.
Referring to the accompanying drawings:
Figure l is an end view of one convenient construction of gas turbine embodying the present invention.
Figure 2 is a vertical longitudinal sectional view thereof, and
Figure 3 is a sectional plan view thereof.
In carrying the invention into efiect according to one convenient form illustrated by way of example in Figures 1 to 3 as applied to a single flow impulse turbine casing, one end of the casing 11 which, in the example shown, is disposed with its longitudinal axis horizontal, has rigidly secured thereto the ends of eight steel supporting plates b, b. The plates are arranged as two separate units with two plates in each unit and the units are disposed in pairs.
The plates b, b of one pair of units are horizontal and the plates 1), b of the other pair of units are vertical. The other end of the casing is supported in like fashion. The ends of the plates not connected to the casing a are rigidly secured to flat surfaces on rigid parts of the apparatus, for example, the bearing casings as shown, so that the turbine casing a is suspended in a floating fashion on cantilever springs constituted by the aforesaid steel plate 1), b, which extend from their points of attachment to the casing longitudinally to the rigid parts 0, and is capable of radial movement in relation to the longitudinal axis, which axis is maintained in a desired position.
Furthermore, owing to the comparatively small cross-sectional area of the plates b, b, heat flow from the casing to the bearing supports is reduced to a minimum.
Piping for connection to the turbine casing may be secured in any convenient manner to the casing, but it is preferred that it be connected thereto by way of yieldable connecting unions d as described in co-pending British specification No. 13778/46.
A light steel shell e encircles the turbine casing to provide a cavity for conveyance of the hot gases. The pipe ends are preferably supported in a yoke member f external to the seal joint between the piping and easing.
What is claimed is:
1. In an elastic fluid turbine having fixed bearing supports and a casing, casing suspension means comprising a plurality of sets of units disposed in planes parallel to one another and to the turbine axis and located on opposite sides of the said axis, each unit comprising a substantially fiat metal plate extending longitudinally of the said casing to a said bearing support, and mean rigidly attaching the plate to the said casing and bearing support, the plate having a pair of spaced opposite edges extending longitudinally of the turbine from the casing to the bearing support, the plate and the said pair of edges being free to move, except as restrained by the said means attaching it to the casing and bearing support.
2. Suspension mean for an elastic fluid turbine casing as claimed in claim 1 wherein said units are of rectangular form.
3. Suspension means for an elastic fluid turbine casing as claimed in claim 1, wherein each unit comprises a plurality of plate elements arranged parallel to one another.
4. Suspension means for an elastic fluid turbine casing as claimed in claim 1, wherein said sets of metal plates are disposed in pairs, the members of each pair being parallel to each other.
THOMAS WALTER FALCONER BROWN. HENRY GEORGE YATES.
References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 1,971,874 Perry Aug. 28, 1934 2,009,162 Cawood July 23, 1935 2,130,160 Schellenberg Sept. 13, 1938 2,180,859 Borchers Nov. 21, 1939 2,183,372 Thoma Dec. 12, 1939 2,187,924 Winkleman Jan. 23, 1940 2,190,170 Campbell Feb. 13, 1940 2,356,721 Hagemann Aug. 22, 1944 2,406,256 Roche Aug. 20, 1946 V FOREIGN PATENTS Number Country Date 434,548 Great Britain Sept. 4, 1935 701,944 Germany Jan. 27, 1941
US740247A 1946-05-07 1947-04-08 Elastic fluid turbine support Expired - Lifetime US2643078A (en)

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GB2643078X 1946-05-07

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915075A (en) * 1956-10-29 1959-12-01 Westinghouse Electric Corp Power plant apparatus
US2957392A (en) * 1956-02-10 1960-10-25 Hans Deckel Machine tools
US3327977A (en) * 1965-09-23 1967-06-27 Judson S Swearingen Machine support
US3416723A (en) * 1965-12-16 1968-12-17 Daimler Benz Ag Gas turbine rotor
US4050660A (en) * 1975-07-02 1977-09-27 Bbc Brown Boveri & Company Limited Casing support for horizontal-axis casings expanding in operation
US6231305B1 (en) * 1997-05-21 2001-05-15 Siemens Aktiengesellschaft Steam turbine installation
US20090238676A1 (en) * 2008-03-20 2009-09-24 Russel Hugh Marvin Accelerator for use in a wind power electrical generating system

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1971874A (en) * 1931-02-16 1934-08-28 Automatic Burner Corp Oil burner
US2009162A (en) * 1934-01-30 1935-07-23 Richard L Cawood Agitator drive
GB434548A (en) * 1934-04-20 1935-09-04 Arthur Alexander Rubbra Improvements in the mounting of auxiliary driven members of internal combustion engines
US2130160A (en) * 1937-09-07 1938-09-13 Schellenberg Albert Centrifugal extractor
US2180859A (en) * 1937-12-08 1939-11-21 Gen Ind Co Vibration retarding means for electrically actuated apparatus
US2183372A (en) * 1935-06-28 1939-12-12 Thomas Hans Hydraulic device
US2187924A (en) * 1937-07-29 1940-01-23 Duquesne Slag Products Company Flexible hanger
US2190170A (en) * 1938-04-06 1940-02-13 Westinghouse Electric & Mfg Co Cylinder supporting arrangement
DE701944C (en) * 1932-04-16 1941-01-27 Getefo Ges Fuer Tech Fortschri Elastic engine mount
US2356721A (en) * 1941-07-05 1944-08-22 Allis Chalmers Mfg Co Turbine support
US2406256A (en) * 1944-03-20 1946-08-20 Lord Mfg Co Mounting

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1971874A (en) * 1931-02-16 1934-08-28 Automatic Burner Corp Oil burner
DE701944C (en) * 1932-04-16 1941-01-27 Getefo Ges Fuer Tech Fortschri Elastic engine mount
US2009162A (en) * 1934-01-30 1935-07-23 Richard L Cawood Agitator drive
GB434548A (en) * 1934-04-20 1935-09-04 Arthur Alexander Rubbra Improvements in the mounting of auxiliary driven members of internal combustion engines
US2183372A (en) * 1935-06-28 1939-12-12 Thomas Hans Hydraulic device
US2187924A (en) * 1937-07-29 1940-01-23 Duquesne Slag Products Company Flexible hanger
US2130160A (en) * 1937-09-07 1938-09-13 Schellenberg Albert Centrifugal extractor
US2180859A (en) * 1937-12-08 1939-11-21 Gen Ind Co Vibration retarding means for electrically actuated apparatus
US2190170A (en) * 1938-04-06 1940-02-13 Westinghouse Electric & Mfg Co Cylinder supporting arrangement
US2356721A (en) * 1941-07-05 1944-08-22 Allis Chalmers Mfg Co Turbine support
US2406256A (en) * 1944-03-20 1946-08-20 Lord Mfg Co Mounting

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2957392A (en) * 1956-02-10 1960-10-25 Hans Deckel Machine tools
US2915075A (en) * 1956-10-29 1959-12-01 Westinghouse Electric Corp Power plant apparatus
US3327977A (en) * 1965-09-23 1967-06-27 Judson S Swearingen Machine support
US3416723A (en) * 1965-12-16 1968-12-17 Daimler Benz Ag Gas turbine rotor
US4050660A (en) * 1975-07-02 1977-09-27 Bbc Brown Boveri & Company Limited Casing support for horizontal-axis casings expanding in operation
US6231305B1 (en) * 1997-05-21 2001-05-15 Siemens Aktiengesellschaft Steam turbine installation
US20090238676A1 (en) * 2008-03-20 2009-09-24 Russel Hugh Marvin Accelerator for use in a wind power electrical generating system

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