IT964997B - Macchina idraulica ad albero rotan te particolarmente pompa centrifuga - Google Patents

Macchina idraulica ad albero rotan te particolarmente pompa centrifuga

Info

Publication number: IT964997B
Authority: IT; Italy
Prior art keywords: rotary shaft; centrifugal pump; hydraulic machine; particularly centrifugal; hydraulic
Prior art date: 1971-08-26

Application number

IT69725/72A

Other languages

English (en)

Original Assignee

Weir Pumps Ltd

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.)

1971-08-26

Filing date

1972-08-24

Publication date

1974-01-31

1972-08-24 Application filed by Weir Pumps Ltd filed Critical Weir Pumps Ltd

1974-01-31 Application granted granted Critical

1974-01-31 Publication of IT964997B publication Critical patent/IT964997B/it

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
- F04D29/108—Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Water Supply & Treatment (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Details Of Reciprocating Pumps (AREA)
Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

IT69725/72A 1971-08-26 1972-08-24 Macchina idraulica ad albero rotan te particolarmente pompa centrifuga IT964997B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB4003071A GB1366895A (en)	1971-08-26	1971-08-26	Rotary shaft liquid handling machines

Publications (1)

Publication Number	Publication Date
IT964997B true IT964997B (it)	1974-01-31

Family

ID=10412819

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT69725/72A IT964997B (it)	1971-08-26	1972-08-24	Macchina idraulica ad albero rotan te particolarmente pompa centrifuga

Country Status (10)

Country	Link
US (1)	US3792935A (it)
JP (1)	JPS527161B2 (it)
AU (1)	AU451178B2 (it)
BE (1)	BE787981A (it)
DE (1)	DE2241658A1 (it)
FR (1)	FR2151398A5 (it)
GB (1)	GB1366895A (it)
IT (1)	IT964997B (it)
NL (1)	NL7211103A (it)
PL (1)	PL78278B1 (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4121839A (en) *	1976-08-18	1978-10-24	Mitsui Toatsu Chemicals, Inc.	Sealing system for use in composite multi-stage pump
US4189156A (en) *	1978-06-08	1980-02-19	Carrier Corporation	Seal system for a turbomachine employing working fluid in its liquid phase as the sealing fluid
US4613281A (en) *	1984-03-08	1986-09-23	Goulds Pumps, Incorporated	Hydrodynamic seal
DE3539251A1 (de) *	1985-11-06	1987-05-14	Klein Schanzlin & Becker Ag	Mehrstufige kreiselpumpe zur foerderung von fluessiggas
US4902197A (en) *	1986-09-25	1990-02-20	Superstill Technology, Inc.	Seal arrangement for a centrifugal type of pump
DE4100426C1 (it) *	1991-01-09	1992-07-30	Fa. Carl Freudenberg, 6940 Weinheim, De
US5344160A (en) *	1992-12-07	1994-09-06	General Electric Company	Shaft sealing of steam turbines
US5499901A (en) *	1994-03-17	1996-03-19	Environamics Corporation	Bearing frame clearance seal construction for a pump
DE19501900A1 (de) *	1995-01-23	1996-07-25	Klein Schanzlin & Becker Ag	Gleitringdichtung für Kesselspeisepumpen
CN105464994A (zh) *	2015-12-31	2016-04-06	江苏振华泵业制造有限公司	内置限流结构的立式双级离心泵
CN116221129B (zh) *	2023-04-26	2023-07-25	武安市永盛机械泵业有限公司	一种高强度密封的热油泵

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1810371A (en) *	1927-04-28	1931-06-16	Westinghouse Electric & Mfg Co	Labyrinth gland packing
US3141677A (en) *	1960-11-28	1964-07-21	Worthington Corp	Low leakage mechanical seal for high pressure pumps
US3179422A (en) *	1962-04-10	1965-04-20	Ingersoll Rand Co	Self-compensating shaft seal
US3642292A (en) *	1969-05-21	1972-02-15	Denis E Dougherty	Sealing arrangement

1971
- 1971-08-26 GB GB4003071A patent/GB1366895A/en not_active Expired
1972
- 1972-08-09 AU AU45421/72A patent/AU451178B2/en not_active Expired
- 1972-08-14 NL NL7211103A patent/NL7211103A/xx unknown
- 1972-08-21 US US00282051A patent/US3792935A/en not_active Expired - Lifetime
- 1972-08-24 IT IT69725/72A patent/IT964997B/it active
- 1972-08-24 DE DE2241658A patent/DE2241658A1/de active Pending
- 1972-08-24 PL PL1972157437A patent/PL78278B1/pl unknown
- 1972-08-24 JP JP47084932A patent/JPS527161B2/ja not_active Expired
- 1972-08-25 BE BE787981A patent/BE787981A/xx unknown
- 1972-08-25 FR FR7230306A patent/FR2151398A5/fr not_active Expired

Also Published As

Publication number	Publication date
PL78278B1 (it)	1975-04-30
GB1366895A (en)	1974-09-18
JPS4862002A (it)	1973-08-30
NL7211103A (it)	1973-02-28
DE2241658A1 (de)	1973-03-08
FR2151398A5 (it)	1973-04-13
AU451178B2 (en)	1974-08-01
BE787981A (fr)	1972-12-18
US3792935A (en)	1974-02-19
JPS527161B2 (it)	1977-02-28
AU4542172A (en)	1974-02-14

Publication	Publication Date	Title
IT965785B (it)	1974-02-11	Pompa centrifuga a lubrificazione perfezionata
DK137212B (da)	1978-02-06	Rotor-høbjærgningsmaskine.
CH547051A (de)	1974-03-29	Saugmaehgeraet.
SE411373B (sv)	1979-12-17	Schaktdrivningsmaskin
NL171374C (nl)	1983-03-16	Centrifugaalpomp met verstelbare spelingen.
RO65524A (ro)	1980-03-15	Pompa centrifuga
SE7410697L (sv)	1976-02-23	Schaktdrivningsmaskin.
IT948934B (it)	1973-06-11	Pompa centrifuga pluristadio
IT964997B (it)	1974-01-31	Macchina idraulica ad albero rotan te particolarmente pompa centrifuga
CH550937A (de)	1974-06-28	Aerodynamische druckwellenmaschine.
CH550328A (de)	1974-06-14	Innenachsige rotationskolbenmaschine mit kaemmeingriff.
NL176094C (nl)	1985-02-18	Centrifugaalpomp.
DK131438B (da)	1975-07-14	Centrifugalpumpe.
IT952014B (it)	1973-07-20	Pompa ad ingranaggi rotativa
IT961787B (it)	1973-12-10	Girante centrifuga per pompe
IT976917B (it)	1974-09-10	Pompa centrifuga
CH549666A (de)	1974-05-31	Gegenzug-schaftmaschine.
BE800287A (fr)	1973-09-17	Machine a piston rotatif a axe interne a engrenement,
IT1015841B (it)	1977-05-20	Pompa centrifuga
CH556410A (de)	1974-11-29	Schaftantrieb.
NL152966B (nl)	1977-04-15	Centrifugale baggerpomp.
AT329320B (de)	1976-05-10	Aerodynamische druckwellenmaschine
CH553268A (de)	1974-08-30	Wellenfach-webmaschine.
CH548542A (de)	1974-04-30	Selbstansaugende kreiselpumpe.
CH549161A (de)	1974-05-15	Radialkolbenmaschine.