IT8167883A0 - Metodo e dispositivo di controllodella pressione nelle parti a tenuta di pressione degli alberi di apparecchi particolarmente di apparecchi quali pompe escavatori operanti in atmosfera pressurizzata - Google Patents

Metodo e dispositivo di controllodella pressione nelle parti a tenuta di pressione degli alberi di apparecchi particolarmente di apparecchi quali pompe escavatori operanti in atmosfera pressurizzata

Info

Publication number
IT8167883A0
IT8167883A0 IT8167883A IT6788381A IT8167883A0 IT 8167883 A0 IT8167883 A0 IT 8167883A0 IT 8167883 A IT8167883 A IT 8167883A IT 6788381 A IT6788381 A IT 6788381A IT 8167883 A0 IT8167883 A0 IT 8167883A0
Authority
IT
Italy
Prior art keywords
equipment
pressure
excavator
shaft
control
Prior art date
Application number
IT8167883A
Other languages
English (en)
Other versions
IT1145566B (it
Inventor
Toshinobu Araoka
Original Assignee
Toyo Denki Kogyosho Co 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.)
Filing date
Publication date
Priority claimed from JP8727580A external-priority patent/JPS5712165A/ja
Priority claimed from JP9029180A external-priority patent/JPS5716296A/ja
Priority claimed from JP12007580A external-priority patent/JPS5744794A/ja
Application filed by Toyo Denki Kogyosho Co Ltd filed Critical Toyo Denki Kogyosho Co Ltd
Publication of IT8167883A0 publication Critical patent/IT8167883A0/it
Application granted granted Critical
Publication of IT1145566B publication Critical patent/IT1145566B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
    • 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
    • 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
    • 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
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/926—Seal including fluid pressure equalizing or balancing feature

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Mechanical Sealing (AREA)
  • Sealing Devices (AREA)
IT67883/81A 1980-06-26 1981-06-25 Metodo e dispositivo di controllo della pressione nelle parti e tenuta di pressione degli alberi di apparecchi particolarmente di apparecchi quali pompe escavatori operanti in atmosfera pressurizzata IT1145566B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8727580A JPS5712165A (en) 1980-06-26 1980-06-26 Pressure adjustment method for shaft sealing part
JP9029180A JPS5716296A (en) 1980-07-01 1980-07-01 Fluid transportation pump having internal pressure controlling performance
JP12007580A JPS5744794A (en) 1980-08-30 1980-08-30 Pressure regulating device equipped with indicator

Publications (2)

Publication Number Publication Date
IT8167883A0 true IT8167883A0 (it) 1981-06-25
IT1145566B IT1145566B (it) 1986-11-05

Family

ID=27305465

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67883/81A IT1145566B (it) 1980-06-26 1981-06-25 Metodo e dispositivo di controllo della pressione nelle parti e tenuta di pressione degli alberi di apparecchi particolarmente di apparecchi quali pompe escavatori operanti in atmosfera pressurizzata

Country Status (13)

Country Link
US (1) US4460181A (it)
AU (1) AU528577B2 (it)
BE (1) BE889377A (it)
CA (1) CA1172907A (it)
DE (2) DE8118433U1 (it)
ES (1) ES503339A0 (it)
FR (1) FR2485678A1 (it)
GB (1) GB2078878B (it)
IT (1) IT1145566B (it)
NL (1) NL8102875A (it)
PT (1) PT73222B (it)
SE (1) SE458702B (it)
WO (1) WO1982000049A1 (it)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527804A (en) * 1983-07-19 1985-07-09 Telspec Limited Sealing of electrical cable joints, equipment housings, or the like
FR2615818A1 (fr) * 1987-05-27 1988-12-02 Sfena Enceinte etanche comportant une sortie d'arbre
JPH0535249Y2 (it) * 1988-03-31 1993-09-07
US5211532A (en) * 1990-04-21 1993-05-18 David Brown Engineering Limited Apparatus for applying a back pressure to a pump drive shaft seal
DE9412591U1 (de) * 1994-08-04 1994-10-06 Friatec-Rheinhütte GmbH & Co, 65203 Wiesbaden Magnetkupplungspumpe
US5607165A (en) * 1995-06-07 1997-03-04 Cooper Cameron Corporation Sealing system for a valve having biassed sealant under pressure
US5636847A (en) * 1995-09-13 1997-06-10 Chesterton International Company Dual face seal clean barrier fluid and dynamic pressure control system
US5796197A (en) * 1996-12-09 1998-08-18 Franklin Electric Co., Inc. Submersible motor sealing system
CN1065326C (zh) * 1997-03-24 2001-05-02 陈启星 压力跟随和配合跟随的密封结构及其电机－泵系统
NO313111B1 (no) 1999-06-01 2002-08-12 Kvaerner Eureka As Anordning for bruk i en undervanns-pumpemodul
SI20576A (sl) 2000-05-31 2001-12-31 Izumi, D.O.O. Gonilo za pretvorbo nihajočega gibanja v kontinuirano rotacijo z enostranskim ali dvostranskim pogonom in vgrajenima globalno sklopko in zavoro
JP3672505B2 (ja) * 2001-06-19 2005-07-20 株式会社東洋電機工業所 水中攪拌ポンプ
US6783322B2 (en) * 2002-04-23 2004-08-31 Roper Holdings, Inc. Pump system with variable-pressure seal
RU2229626C1 (ru) * 2002-11-28 2004-05-27 Закрытое акционерное общество "Уралэлектро-К" Насос моноблочный
ITBO20060339A1 (it) * 2006-05-08 2007-11-09 Spal Automotive Srl Metodo per assemblare un motore elettrico e motore ottenuto con tale metodo
US8622706B2 (en) 2007-05-21 2014-01-07 Weir Minerals Australia Ltd. Slurry pump having impeller flow elements and a flow directing device
DE102010049610A1 (de) * 2009-12-07 2011-06-09 Schaeffler Technologies Gmbh & Co. Kg Elektrische Antriebseinheit für ein Kraftfahrzeug
NO332974B1 (no) * 2010-06-22 2013-02-11 Vetco Gray Scandinavia As Trykkutligningsbasert reguleringssystem for barriere- og smorefluider for en undersjoisk motor- og pumpemodul
GB2481991B (en) * 2010-07-13 2012-11-14 Vector Int Ltd Hydraulic motor assemblies for subsea use
ITCO20120024A1 (it) 2012-05-09 2013-11-10 Nuovo Pignone Srl Equalizzatore di pressione
DE102012108358A1 (de) * 2012-09-07 2014-03-13 Herborner Pumpenfabrik J. H. Hoffmann Gmbh & Co. Kg Pumpe mit Trockenlaufschutz
NL2010697C2 (en) 2013-04-24 2014-10-27 Ihc Holland Ie Bv Pressure compensation device.
NL2010696C2 (en) 2013-04-24 2014-10-27 Ihc Holland Ie Bv Pressure compensator.
CN105465585B (zh) * 2015-12-21 2018-01-05 武汉船用机械有限责任公司 一种油浸润滑装置
CN106208488A (zh) * 2016-07-13 2016-12-07 西安微电机研究所 一种水下航行器推进用无刷直流电动机
US10550949B2 (en) * 2016-08-23 2020-02-04 Onesubsea Ip Uk Limited Barrier fluid pressure system and method
CN111794977B (zh) * 2020-06-18 2021-06-22 杭州西子泵业有限公司 一种潜水排污泵机封自清洁结构
US12372090B2 (en) * 2021-02-09 2025-07-29 Onesubsea Ip Uk Limited Subsea fluid processing system having a canned motor stator filled with a dielectric fluid
DE102022102858A1 (de) * 2022-02-08 2023-08-10 Bayerische Motoren Werke Aktiengesellschaft Druckausgleichsvorrichtung für eine elektrische Maschine, Gehäuse, elektrische Maschine und Kraftfahrzeug

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190426162A (en) * 1904-12-01 1905-10-05 James Nicolson Bailey Improvements in or relating to Fluid-tight Packings for Fluid Pressure Turbines, Rotary Engines, and the like.
US1005596A (en) * 1910-12-14 1911-10-10 James D Campbell Means for packing ammonia-cylinders.
US2350753A (en) * 1943-03-08 1944-06-06 Gen Electric Liquid seal
US2545422A (en) * 1945-02-13 1951-03-13 Byron Jackson Co Motor pump
US2665929A (en) * 1948-09-10 1954-01-12 John W Sawyer Shaft sealing device
GB781859A (en) * 1954-06-22 1957-08-28 Bataafsche Petroleum Improvements in or relating to well-drilling units
US2903970A (en) * 1955-03-24 1959-09-15 United Aircraft Corp Combination seal for a pump
US2895750A (en) * 1957-09-27 1959-07-21 Allis Chalmers Mfg Co Automatic thrust device for hydrogen seal
GB882613A (en) * 1959-01-14 1961-11-15 Alsacienne Constr Meca Improvements relating to the sealing of fluid-containing closed systems against leakage through a clearance surrounding a rotary member
US3176996A (en) * 1962-10-12 1965-04-06 Barnett Leon Truman Oil balanced shaft seal
NL6610586A (it) * 1966-01-03 1967-07-04
US3544116A (en) * 1967-11-02 1970-12-01 Ingersoll Rand Co Fluid sealing arrangement
JPS4919281B1 (it) * 1969-08-22 1974-05-16
SE332311B (it) * 1970-03-25 1971-02-01 Kaelie Requlatorar Ab
US3740057A (en) * 1971-05-28 1973-06-19 Thermo Electron Corp Shaft seal
US3746472A (en) * 1971-08-06 1973-07-17 Rupp Co Warren Submersible electric pump having fluid pressure protective means
US3764233A (en) * 1971-11-15 1973-10-09 Us Navy Submersible motor-pump assembly
US3999766A (en) * 1975-11-28 1976-12-28 General Electric Company Dynamoelectric machine shaft seal
JPS535717U (it) * 1976-07-01 1978-01-19
GB1527056A (en) * 1977-05-19 1978-10-04 Flexibox Ltd Fluid seals
JPS5499946U (it) * 1977-12-27 1979-07-14
US4176848A (en) * 1978-06-30 1979-12-04 Dresser Industries, Inc. Rotary bearing seal for drill bits

Also Published As

Publication number Publication date
GB2078878B (en) 1984-12-12
DE3124844A1 (de) 1982-03-18
ES8300981A1 (es) 1982-11-16
SE8103986L (sv) 1981-12-27
FR2485678A1 (fr) 1981-12-31
BE889377A (fr) 1981-10-16
ES503339A0 (es) 1982-11-16
AU7210381A (en) 1982-03-04
GB2078878A (en) 1982-01-13
PT73222B (en) 1982-07-01
NL8102875A (nl) 1982-01-18
DE8118433U1 (de) 1985-04-04
AU528577B2 (en) 1983-05-05
US4460181A (en) 1984-07-17
CA1172907A (en) 1984-08-21
FR2485678B1 (it) 1985-05-10
PT73222A (en) 1981-07-01
IT1145566B (it) 1986-11-05
WO1982000049A1 (en) 1982-01-07
SE458702B (sv) 1989-04-24

Similar Documents

Publication Publication Date Title
IT8167883A0 (it) Metodo e dispositivo di controllodella pressione nelle parti a tenuta di pressione degli alberi di apparecchi particolarmente di apparecchi quali pompe escavatori operanti in atmosfera pressurizzata
IT7968897A0 (it) Dispositivo di compensazione e di tenuta assiale per apparecchi a chiocciola quali compressori pompe e simili
IT8267160A0 (it) Dispositivo di tenuta per apparecchi a chiocciola quali pompe compressori e simili ed apparecchio utilizzante tale dispositivo
NO780010L (no) Fremgangsmaate til stabilisering av stroemningen av arbeidsmedium i stroemningsmaskiner og kompressor- og turbinmaskineri for utfoerelse av fremgangsmaaten
DK353583A (da) Roterende fluidhaandteringsapparat, der er beregnet til at behandle et arbejdsfluid mellem et hoejt tryk og lavt tryk
JPS5578193A (en) Delivery pressure regulation method of turbo compressor by diffusion control
JPS5482553A (en) Shaft seal for water pump and method of sealing same
JPS54121403A (en) Oil pressure pump and thrust block assembled body for motor
IT8548192A0 (it) Perfezionamento nelle macchine volumetriche a fluido sotto pressione, quali pompe e motori ad ingranaggi
JPS5336701A (en) Inundation preventing apparatus for submarine pump
IT8148114A0 (it) Perfezionamento nelle valvole regolatrici di pressione
IT1148355B (it) Perfezionamento nelle pompe o motori a fluido
EP0160429A3 (en) Self pressurized shock-dampening device
IT8047578A0 (it) Ni perfezionamento nelle pompe a pisto
JPS54206A (en) Shaft sealing device for underwater power unit
JPS53122108A (en) Shaft sealing device for hydraulic power machine
JPS5384207A (en) Method of sealing a predetermined amount of fluid between stator and rotor and apparatus for carrying out the method
DK150372C (da) Fremgangsmaade til montering af en strimmellignende rakel i fastspaendingsorganer paa en trykkemaskine og styreindretning til anvendelse ved en saadan fremgangsmaade
IT8047757A0 (it) Perfezionamento nelle pompe a pistoni a compensazione di pressione
IT1127048B (it) Perfezionamento nelle disposizioni di tenuta per pompe a depressione
JPS54113745A (en) Static pressure gas bearing
AU5732480A (en) Pump shaft sealing method
JPS5423863A (en) Magnetic fluid sealing equipment
JPS57170040A (en) Hydraulic power rotary electric machine
JPS5519322A (en) Hermetic door for pressure control chamber in pressurized air shielded construction

Legal Events

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

Effective date: 19970626