US1093145A - Turbine-driven auxiliaries. - Google Patents
Turbine-driven auxiliaries. Download PDFInfo
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- US1093145A US1093145A US81529614A US1914815296A US1093145A US 1093145 A US1093145 A US 1093145A US 81529614 A US81529614 A US 81529614A US 1914815296 A US1914815296 A US 1914815296A US 1093145 A US1093145 A US 1093145A
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- wheel
- turbine
- steam
- pumps
- wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/06—Pumps having fluid drive
- F04B43/073—Pumps having fluid drive the actuating fluid being controlled by at least one valve
- F04B43/0736—Pumps having fluid drive the actuating fluid being controlled by at least one valve with two or more pumping chambers in parallel
Definitions
- This invention relates tn steam engineering', and its Aob]eet 1s to provide means for driving the auxiliary maphines used 1n cony nection with a condensing steam engine.
- auxiliaries comprise usually a circulating pump for supplying coolingwater to the condenser, a pump vfor the water of condensation, an air pump and a boiienfeed pump.
- the first two pumps have to handle comparatively large quantities of water under low heads, so that they can be run at rather low speeds.
- the conditions are different, however, with the air pump and the boiler feed pump, which work best at a high speed.
- these diierences 'of 'speed it has heretofore been] thought necessary to provide at least two separate motors for the auxiliary pumps, one. for those which work at a relatively low number oi revolutions and the other for the faster running machines.
- Moreovenwhen turbine engines have been employedf'to drive the pumps it often has not been possible to connect them directly to. the slowly rotating'pumps, but has been necessary to inter-4 pose reducing gearing or the like.
- auxiliariesV are driven by one steam turbineregai-liess oi their differences in speed of revolution. This is accomplished using a multistage turbine, and mounting the bucket wheels of different stages on separate sha-tts, so that the high speed machines can .be driven by the shaft which has the small high pressure first stagewheel or wheels connected to it, while the low speed machines Ycan be driven 'by the other shaft which carries the larger, and slower low stage-wheel or wheels.
- the l indicates the casing pf a steam turbine having two stages.
- the first or high pressure stage wheel 2 is located in a chamber 3, and is mounted on its own shaft 4, while the low pressure wheel 5 is loca-ted in a separate chamber 6 and is mounted on an independent shaft 7.
- the sliatt 4' is commen to the air pump 8 and the boiler-feed pump 9 which are of the. centrifugal type andfdo not need detailed description.
- the circulating pump l0 and the pump ll for removing the condensed steam from the condenser are also of the centrifugal type Vand are mounted upon the shaft 7.
- High pressure steam is admitted to the first stage through a main 12 controlledby a suitable throttle valve and admitting the steam to a .steam chest 13 trom which it flows subject to' suitable controlling lmeans through the nozzles la to the buckets 15 of the first stage wheel 2.
- the exhaust steam Vfrom this stage lows through the nozzles 16 in the diaphragm 17 which separates the chambers ⁇ 3 and *6, and acts upon lthe lbuckets of the low pressure wheel 5.
- the two wheels are of vsuch relative diameters that the wheel' 5 rotatesmorevslowly than the other so as to impart to its shaft 7 andthe two pumps mounted thereon a relatively low speed of revolution favorable for their best operation.
- the numbers of revolutions and the work performed by the two parts of the turbine may be regulated by varying in a diiierent ratlothe counter pressure of one or both of othei ⁇ means.
- vmultistage steam turbine having a. lhigh l zo pressure high speed Wheel and a 10W pressure 10W speed Wheel, and means whereby each Wheel drives a separate group of pumps.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
G. PAGEL.
TURBINE DRIVEN AUXILIARES.
APPLIGATION FILED JAN. 29,1914.
Patented Apr. 14, 1914.
Gustav D 'naar e-Ussav moet, or Bastin, GERMANY, Assioma To enana annotato contratar, 1 A coarona'rou or NEW Yoan.
@Unsinn-naiven AUXILIaaIns.
insalata.
Patenten apr. ia, iota.
Application filed January 29, 19M. Serial No. 315,296. y
is a. specification.
.This invention relates tn steam engineering', and its Aob]eet 1s to provide means for driving the auxiliary maphines used 1n cony nection with a condensing steam engine.
Such auxiliaries comprise usually a circulating pump for supplying coolingwater to the condenser, a pump vfor the water of condensation, an air pump and a boiienfeed pump. The first two pumps have to handle comparatively large quantities of water under low heads, so that they can be run at rather low speeds. The conditions are different, however, with the air pump and the boiler feed pump, which work best at a high speed. In consequence of these diierences 'of 'speed it has heretofore been] thought necessary to provide at least two separate motors for the auxiliary pumps, one. for those which work at a relatively low number oi revolutions and the other for the faster running machines. Moreovenwhen turbine engines have been employedf'to drive the pumps, it often has not been possible to connect them directly to. the slowly rotating'pumps, but has been necessary to inter-4 pose reducing gearing or the like.
By the present invention all the auxiliariesV are driven by one steam turbineregai-liess oi their differences in speed of revolution. This is accomplished using a multistage turbine, and mounting the bucket wheels of different stages on separate sha-tts, so that the high speed machines can .be driven by the shaft which has the small high pressure first stagewheel or wheels connected to it, while the low speed machines Ycan be driven 'by the other shaft which carries the larger, and slower low stage-wheel or wheels.l v
'lhe accompanying drawing shows in longitudinal section one of the embodiments of my invention.
l indicates the casing pf a steam turbine having two stages. The first or high pressure stage wheel 2 is located in a chamber 3, and is mounted on its own shaft 4, While the low pressure wheel 5 is loca-ted in a separate chamber 6 and is mounted on an independent shaft 7. The sliatt 4' is commen to the air pump 8 and the boiler-feed pump 9 which are of the. centrifugal type andfdo not need detailed description. The circulating pump l0 and the pump ll for removing the condensed steam from the condenser are also of the centrifugal type Vand are mounted upon the shaft 7. High pressure steam is admitted to the first stage through a main 12 controlledby a suitable throttle valve and admitting the steam to a .steam chest 13 trom which it flows subject to' suitable controlling lmeans through the nozzles la to the buckets 15 of the first stage wheel 2. The exhaust steam Vfrom this stage lows through the nozzles 16 in the diaphragm 17 which separates the chambers `3 and *6, and acts upon lthe lbuckets of the low pressure wheel 5. The two wheels are of vsuch relative diameters that the wheel' 5 rotatesmorevslowly than the other so as to impart to its shaft 7 andthe two pumps mounted thereon a relatively low speed of revolution favorable for their best operation.
.Under some circumstances it may be desirable to operate each group of pumps independently, or to drive only one group while the other is out of operation. To pro*- vide for this contingency, I have arranged an exhaust outlet -18 for the high pressure wheel opening directly into the escape pipe 19 and controlled by a stop valve 20. 'Ihe low pressure end of the turbine is also pro.
vide with an inlet 21 for high pressure steam, which flows to the wheel through special nozzles 22.
The numbers of revolutions and the work performed by the two parts of the turbine may be regulated by varying in a diiierent ratlothe counter pressure of one or both of othei` means.
that the invention can be carried outvby vmultistage steam turbine having a. lhigh l zo pressure high speed Wheel and a 10W pressure 10W speed Wheel, and means whereby each Wheel drives a separate group of pumps.
2. The combination with a multistage steam turbine having a-high pressure high speed Wheel and a low pressure 10W speed Wheel, of independent shafts for said Wheels, and a group of centrifugal pumps mounted on each shaft.
8. The combination of a multistage elastic fluid turbine having a high speed high pressure Wheel and a 10W prfessure 10W speed Wheel, means for supplying the first Wheel with high pressure steam and the second With the exhaust from thel first, independent /shafts for said Wheels, and centrifugal 'pumps having different operating speeds mounted on said shafts.
4. The combination with a multistage steam turbine having a high pressure Wheel and a low pressure Wheel running at diiferent speeds, of two shafts for the two Wheels, one or more pumps driven by each shaft, a direct exhaust outlet for the steam' from the high pressure Wheel, and means for supplying steam directly to the 10W pressure Wheel independently of the high pressure Wheel.
5. The combination of a multistage elas- 'tic Huid turbine-having a high speed Wheel and a low speed Wheel each occupying a separate compartment, means for supplying steam in series to the Wheels for normal operation, means for cutting out one of the .Wheels for emergency conditions and supplying steam to only one Wheel, and pumps driven by said Wheels at diferent speeds.
In Witness whereof, I have hereunto set my hand this 14th day of January 1914i.
GUsrAv PAGEL. i
Witnesses y PAUL Hsnr., GUsrnv HOLDTMANN.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81529614A US1093145A (en) | 1914-01-29 | 1914-01-29 | Turbine-driven auxiliaries. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81529614A US1093145A (en) | 1914-01-29 | 1914-01-29 | Turbine-driven auxiliaries. |
Publications (1)
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US1093145A true US1093145A (en) | 1914-04-14 |
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US81529614A Expired - Lifetime US1093145A (en) | 1914-01-29 | 1914-01-29 | Turbine-driven auxiliaries. |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2927428A (en) * | 1952-01-26 | 1960-03-08 | Sala Antillo | Geothermic central plant for the production of energy, with uncondensable gases compressor-extractors directly operated by the engines producing the energy |
US3068653A (en) * | 1960-10-14 | 1962-12-18 | Cons Edison Co New York Inc | Unitized arrangement of auxiliaries in power system generation |
US3108575A (en) * | 1960-06-20 | 1963-10-29 | Sperry Rand Corp | Circulation system for gas-steam power cycles |
US3379191A (en) * | 1964-04-02 | 1968-04-23 | Thermo Electron Eng Corp | Nuclear powered mechanical heart |
US3519065A (en) * | 1968-10-04 | 1970-07-07 | Thermo Electron Corp | Gas heating and cooling system |
-
1914
- 1914-01-29 US US81529614A patent/US1093145A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2927428A (en) * | 1952-01-26 | 1960-03-08 | Sala Antillo | Geothermic central plant for the production of energy, with uncondensable gases compressor-extractors directly operated by the engines producing the energy |
US3108575A (en) * | 1960-06-20 | 1963-10-29 | Sperry Rand Corp | Circulation system for gas-steam power cycles |
US3068653A (en) * | 1960-10-14 | 1962-12-18 | Cons Edison Co New York Inc | Unitized arrangement of auxiliaries in power system generation |
US3379191A (en) * | 1964-04-02 | 1968-04-23 | Thermo Electron Eng Corp | Nuclear powered mechanical heart |
US3519065A (en) * | 1968-10-04 | 1970-07-07 | Thermo Electron Corp | Gas heating and cooling system |
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