DE3574680D1 - Kombiniertes hydrostatisches/hydrodynamisches lagersystem fuer schleifvorrichtung. - Google Patents

Kombiniertes hydrostatisches/hydrodynamisches lagersystem fuer schleifvorrichtung.

Info

Publication number
DE3574680D1
DE3574680D1 DE8585904302T DE3574680T DE3574680D1 DE 3574680 D1 DE3574680 D1 DE 3574680D1 DE 8585904302 T DE8585904302 T DE 8585904302T DE 3574680 T DE3574680 T DE 3574680T DE 3574680 D1 DE3574680 D1 DE 3574680D1
Authority
DE
Germany
Prior art keywords
grinding
pistons
rotatable shaft
piston
bearing system
Prior art date
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.)
Revoked
Application number
DE8585904302T
Other languages
English (en)
Inventor
Rolf Bertil Reinhall
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUNDS DEFIBRATOR
Valmet AB
Original Assignee
SUNDS DEFIBRATOR
Sunds Defibrator AB
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24596889&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3574680(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SUNDS DEFIBRATOR, Sunds Defibrator AB filed Critical SUNDS DEFIBRATOR
Application granted granted Critical
Publication of DE3574680D1 publication Critical patent/DE3574680D1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00—Relieving load on bearings
    • F16C39/04—Relieving load on bearings using hydraulic or pneumatic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/11—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/11—Details
    • B02C7/14—Adjusting, applying pressure to, or controlling distance between, discs
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/30—Disc mills
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • 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
    • F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
    • F16J10/02—Cylinders designed to receive moving pistons or plungers
DE8585904302T 1984-09-05 1985-08-22 Kombiniertes hydrostatisches/hydrodynamisches lagersystem fuer schleifvorrichtung. Revoked DE3574680D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/647,412 US4801099A (en) 1984-09-05 1984-09-05 Combined hydrostatic/hydrodynamic bearing system for grinding apparatus
PCT/SE1985/000315 WO1986001434A1 (en) 1984-09-05 1985-08-22 Combined hydrostatic/hydrodynamic bearing system for grinding apparatus

Publications (1)

Publication Number Publication Date
DE3574680D1 true DE3574680D1 (de) 1990-01-18

Family

ID=24596889

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8585904302T Revoked DE3574680D1 (de) 1984-09-05 1985-08-22 Kombiniertes hydrostatisches/hydrodynamisches lagersystem fuer schleifvorrichtung.
DE198585904302T Pending DE221081T1 (de) 1984-09-05 1985-08-22 Kombiniertes hydrostatisches/hydrodynamisches lagersystem fuer schleifvorrichtung.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198585904302T Pending DE221081T1 (de) 1984-09-05 1985-08-22 Kombiniertes hydrostatisches/hydrodynamisches lagersystem fuer schleifvorrichtung.

Country Status (11)

Country Link
US (2) US4801099A (de)
EP (1) EP0221081B1 (de)
JP (1) JPS62500159A (de)
AT (1) ATE48546T1 (de)
AU (2) AU4776085A (de)
CA (1) CA1262924A (de)
DE (2) DE3574680D1 (de)
FI (1) FI82394C (de)
NO (1) NO165770C (de)
NZ (1) NZ213184A (de)
WO (1) WO1986001434A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT389532B (de) * 1987-11-05 1989-12-27 Andritz Ag Maschf Refiner zur zerkleinerung bzw. zum mahlen von insbesondere nassem bzw. mit wasser vermischten faserstoffmaterial
US4986480A (en) * 1989-06-29 1991-01-22 Kamyr Ab Method and apparatus for feeding a conical refiner
SE467343B (sv) * 1990-10-03 1992-07-06 Sunds Defibrator Ind Ab Lagersystem i en raffineringsapparat foer framstaellning av massa
SE510270C2 (sv) * 1991-03-28 1999-05-03 Kvaerner Hymac Inc Anordning vid en axial och radiallagringsenhet
US5226991A (en) * 1991-10-09 1993-07-13 Mike Svaighert Method of fabricating airlaid articles and apparatus for performing the method
SE9200222L (sv) * 1992-01-28 1993-07-29 Sunds Defibrator Ind Ab Lagersystem i en raffineringsapparat foer framstaellning av massa
US5373923A (en) * 1992-02-14 1994-12-20 Koenig; Larry E. Rotary motor with counterbalanced torque arm
US5667157A (en) * 1995-11-13 1997-09-16 Andritz Sprout-Bauer, Inc. Bearing clearance adjustment
US6989074B2 (en) * 2000-03-07 2006-01-24 Kadant Black Clawson Inc. Paper pulp refiner control system and method using active hydrostatic bearings

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001731A (en) * 1953-10-29 1961-09-26 Bauer Bros Co Attrition mill
US2947485A (en) * 1954-02-05 1960-08-02 Bauer Bros Co Disc refiner
AT245348B (de) * 1961-09-22 1966-02-25 Defibrator Ab Mahlvorrichtung für faseriges Gut
US3115372A (en) * 1962-02-07 1963-12-24 Chrysler Corp Hydrodynamic type bearing
GB1066226A (en) * 1963-07-01 1967-04-26 Defibrator Ab Grinding apparatus primarily for ligno-cellulose containing material
US3600747A (en) * 1969-05-21 1971-08-24 Firestone Tire & Rubber Co System for calender control
SE345892B (de) * 1970-10-26 1972-06-12 Defibrator Ab
US3700293A (en) * 1971-04-07 1972-10-24 Us Navy Piston type thrust bearing
DE2151582A1 (de) * 1971-10-16 1973-04-26 Leitz Ernst Gmbh Hydrostatisch gelagerte welle
SE380848B (sv) * 1974-03-27 1975-11-17 Sca Development Ab Anordning for raffinering av fibermaterial
US3961757A (en) * 1975-04-02 1976-06-08 Cellwood Machinery Ab Method and machine for refining wood chippings, shavings, paper pulp and the like
AT375978B (de) * 1980-09-05 1984-09-25 Escher Wyss Gmbh Mahlvorrichtung fuer faserstoffsuspensionen zur papierherstellung

Also Published As

Publication number Publication date
EP0221081B1 (de) 1989-12-13
AU571351B1 (en) 1988-04-14
DE221081T1 (de) 1987-09-03
CA1262924A (en) 1989-11-14
US4801099A (en) 1989-01-31
FI82394C (fi) 1991-03-11
FI82394B (fi) 1990-11-30
NO165770C (no) 1991-04-10
US4890796A (en) 1990-01-02
NO861749L (no) 1986-05-02
AU4776085A (en) 1986-03-24
ATE48546T1 (de) 1989-12-15
JPS62500159A (ja) 1987-01-22
NO165770B (no) 1990-12-27
FI870954A (fi) 1987-03-04
WO1986001434A1 (en) 1986-03-13
EP0221081A1 (de) 1987-05-13
FI870954A0 (fi) 1987-03-04
NZ213184A (en) 1987-11-27

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Legal Events

Date Code Title Description
8380 Miscellaneous part iii

Free format text: DER PATENTINHABER LAUTET RICHTIG: SUNDS DEFIBRATOR INDUSTRIES AB, SUNDSVALL, SE

8363 Opposition against the patent
8331 Complete revocation