DE3318840C2 - Strömungsmittelfedereinheit - Google Patents

Strömungsmittelfedereinheit

Info

Publication number
DE3318840C2
DE3318840C2 DE3318840A DE3318840A DE3318840C2 DE 3318840 C2 DE3318840 C2 DE 3318840C2 DE 3318840 A DE3318840 A DE 3318840A DE 3318840 A DE3318840 A DE 3318840A DE 3318840 C2 DE3318840 C2 DE 3318840C2
Authority
DE
Germany
Prior art keywords
piston rod
chamber
seal
cylinder
fluid
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.)
Expired - Fee Related
Application number
DE3318840A
Other languages
German (de)
English (en)
Other versions
DE3318840A1 (de
Inventor
Les G Balazs
Jun Anthony J Cydzik
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.)
TDY Industries LLC
Original Assignee
Teledyne Industries Inc
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
Application filed by Teledyne Industries Inc filed Critical Teledyne Industries Inc
Publication of DE3318840A1 publication Critical patent/DE3318840A1/de
Application granted granted Critical
Publication of DE3318840C2 publication Critical patent/DE3318840C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/02—Die-cushions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/10—Devices controlling or operating blank holders independently, or in conjunction with dies
    • B21D24/14—Devices controlling or operating blank holders independently, or in conjunction with dies pneumatically or hydraulically
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • F16F9/0209—Telescopic
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7771—Bi-directional flow valves
    • Y10T137/7772—One head and seat carried by head of another
    • Y10T137/7773—Supporting valve only spring biased

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Fluid-Damping Devices (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Sealing Devices (AREA)
DE3318840A 1982-05-28 1983-05-24 Strömungsmittelfedereinheit Expired - Fee Related DE3318840C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/382,939 US4765227A (en) 1982-05-28 1982-05-28 Die cylinder assembly

Publications (2)

Publication Number Publication Date
DE3318840A1 DE3318840A1 (de) 1983-12-01
DE3318840C2 true DE3318840C2 (de) 1994-09-22

Family

ID=23511036

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3318840A Expired - Fee Related DE3318840C2 (de) 1982-05-28 1983-05-24 Strömungsmittelfedereinheit

Country Status (6)

Country Link
US (1) US4765227A (US06330241-20011211-M00004.png)
JP (1) JPS58218400A (US06330241-20011211-M00004.png)
CA (1) CA1207215A (US06330241-20011211-M00004.png)
DE (1) DE3318840C2 (US06330241-20011211-M00004.png)
GB (1) GB2124327B (US06330241-20011211-M00004.png)
IT (1) IT1163406B (US06330241-20011211-M00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018116045A1 (de) * 2018-07-03 2020-01-09 Steinel Normalien Ag Gasdruckfeder mit einem druckbeaufschlagten Schmiermittelreservoir

Families Citing this family (38)

* Cited by examiner, † Cited by third party
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DE3735123A1 (de) * 1987-10-16 1989-06-29 Hartmann & Laemmle Hydraulische antriebsvorrichtung
US5003807A (en) * 1989-10-30 1991-04-02 Teledyne Industries, Inc. Press assembly and method of operation
US5088698A (en) * 1989-11-08 1992-02-18 Wallis Bernard J Sealing construction for a gas spring
US5007276A (en) * 1990-05-09 1991-04-16 Teledyne Industries, Inc. Seal arrangement for use in a press assembly
CA2055917A1 (en) * 1990-12-14 1992-06-15 Bernard Joseph Wallis Gas die cylinders
US5197718A (en) * 1990-12-14 1993-03-30 Wallis Bernard J Self-contained gas springs interchangeable with coil springs
US5220820A (en) * 1991-10-21 1993-06-22 Teledyne Industries Inc. Apparatus and method for cushioning movement of a member in a press
DE4135867A1 (de) * 1991-10-31 1993-05-06 Alfred Teves Gmbh, 6000 Frankfurt, De Manschettenrueckschlagventil
US5291974A (en) * 1992-08-24 1994-03-08 Livernois Automation Company High pressure self-contained gas spring or die cylinder and sealing arrangement therefor
US5339932A (en) * 1993-08-02 1994-08-23 Teledyne Hyson Apparatus and method to cushion movement of a member
US5480128A (en) * 1995-01-06 1996-01-02 Diebolt International, Inc. Gas spring with threaded mount and method of producing the same
JP3850663B2 (ja) 1998-07-23 2006-11-29 テレダイン・インダストリーズ・インコーポレーテッド 低接触力のばね
US6322059B1 (en) 1998-07-23 2001-11-27 Barnes Group Inc. Low contact force spring
SE520636C2 (sv) * 2001-11-12 2003-08-05 Stroemsholmen Ab Anordning vid en energiackumelerande kolv-cylinderdon
US20040020197A1 (en) * 2002-07-30 2004-02-05 Cray Donald L. Hydraulic synchronizer
US6840358B2 (en) * 2003-01-09 2005-01-11 Delphi Technologies, Inc. Floating rod guide for monotube strut
MXPA06000666A (es) * 2003-07-18 2006-03-30 Barnes Group Inc Amortiguador y cilindro de amortiguador para un piston o plano de apoyo de una prensa.
JP4608677B2 (ja) * 2004-07-09 2011-01-12 株式会社 神崎高級工機製作所 チャージリリーフ機構
KR20080005743A (ko) * 2006-07-10 2008-01-15 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 유압실린더 내부 방청장치
US9221092B2 (en) 2006-09-01 2015-12-29 Standard Lifters, Inc. Guided keeper assembly and method for metal forming dies
US8074486B1 (en) 2011-05-24 2011-12-13 Standard Lifters, Inc. Guided keeper assembly and method for metal forming dies
CN100362268C (zh) * 2006-09-26 2008-01-16 镇江大力液压马达有限责任公司 背压式高压轴封
US8444122B2 (en) * 2007-09-13 2013-05-21 Dadco, Inc. Gas spring with guide
JP4630917B2 (ja) * 2008-06-13 2011-02-09 本田技研工業株式会社 流体スプリング及びそれを備える成形装置
US8567227B2 (en) 2010-02-05 2013-10-29 Dadco, Inc. Guide and retention assembly for a die set
WO2011159677A2 (en) 2010-06-14 2011-12-22 Standard Lifters, Inc. Guided keeper and method for metal forming dies
US8919178B2 (en) 2010-09-07 2014-12-30 Standard Lifters, Inc. Guided keeper and method for metal forming dies
US8910502B2 (en) 2010-09-07 2014-12-16 Standard Lifters, Inc. Guided keeper and method for metal forming dies
US9248491B2 (en) 2011-02-21 2016-02-02 Standard Lifters, Inc. Guided keeper assembly and method for metal forming dies
ITVR20110171A1 (it) * 2011-08-22 2013-02-23 Alberto Bordignon Molla a fluido
US20150076753A1 (en) * 2013-09-19 2015-03-19 Dadco, Inc. Overtravel Pressure Relief For A Gas Spring
US9447834B2 (en) * 2013-09-19 2016-09-20 Dadco, Inc. Overtravel pressure relief for a gas spring
ITVR20130250A1 (it) * 2013-11-22 2015-05-23 Alberto Bordignon Molla a fluido
DE102014226954B3 (de) * 2014-12-23 2016-06-30 Robert Bosch Gmbh Expansionsmaschine mit Wellendichtring und Ventil
US11344943B2 (en) 2019-09-05 2022-05-31 Standard Lifters, Inc. Modular guided keeper base
CA3131743A1 (en) * 2020-10-20 2022-04-20 Special Springs S.R.L. Gas-filled cylinder with overtravel safety device
US11549587B2 (en) * 2020-10-23 2023-01-10 Chengli Li Sealing device, sealing assembly and apparatus having a rotating shaft with the sealing assembly
US11261886B1 (en) * 2021-06-14 2022-03-01 King Yuan Fu Packaging Co., Ltd. Pneumatic cylinder and mechanical apparatus using the same

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523358A (en) * 1945-10-22 1950-09-26 Guy O Conner Hydraulic antifriction die set
US2742878A (en) * 1951-09-11 1956-04-24 Sperry Gyroscope Co Ltd Flushing device for hydraulic servomotors
US2787254A (en) * 1955-09-19 1957-04-02 Gen Electric Hydraulic amplifier
NL130911C (US06330241-20011211-M00004.png) * 1960-12-30
GB906848A (en) * 1960-12-30 1962-09-26 Flugzeugwerke Dresden Veb A shock absorbing strut
US3157095A (en) * 1962-04-12 1964-11-17 Elmer F Heiser Piston and cylinder device
US3202411A (en) * 1963-10-11 1965-08-24 Elmer F Heiser Fluid spring system
US3272132A (en) * 1964-08-03 1966-09-13 Stoelting Bros Co Pump
US3316817A (en) * 1965-09-08 1967-05-02 Elox Corp Michigan Air bleed system for hydraulic piston
US3342475A (en) * 1965-10-04 1967-09-19 Gen Motors Corp Hydropneumatic suspension device
US3457765A (en) * 1966-09-30 1969-07-29 Elmer F Heiser Adapter cushion
US3472125A (en) * 1967-10-30 1969-10-14 Fellows Gear Shaper Co Hydraulic servo cylinder override
US3549154A (en) * 1969-04-28 1970-12-22 G E Conover & Co Inc Motion transmitting system with seal protection
US3636749A (en) * 1969-05-20 1972-01-25 Elmer F Heiser Hydraulic pressure control apparatus
US3611881A (en) * 1970-04-13 1971-10-12 Case Co J I Fluid cylinder and piston assembly
US3674955A (en) * 1970-12-17 1972-07-04 Allis Chalmers Mfg Co Circuit breaker with hydraulic operating mechanism for vacuum interrupter
US4068680A (en) * 1976-07-21 1978-01-17 Robertshaw Controls Company Self-contained vent valve unit and system utilizing the same
US4076103A (en) * 1976-09-13 1978-02-28 Wallis Bernard J Lubricating means for gas-operated cylinders
US4111030A (en) * 1977-04-15 1978-09-05 Teledyne Industries, Inc. Press cushion
US4154434A (en) * 1977-10-26 1979-05-15 Wallis Bernard J Boot arrangement for piston-cylinder assembly
US4259895A (en) * 1979-06-11 1981-04-07 Owens Roland G Vacuum motor
US4342448A (en) * 1980-04-04 1982-08-03 Wallis Bernard J Gas-operated cylinder
JPS56141473A (en) * 1980-04-07 1981-11-05 Nissan Motor Co Ltd Pressure controller equipped with liquid effluence preventing mechanism
US4447047A (en) * 1981-01-14 1984-05-08 Di-Dro Systems Inc. Cylinder structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018116045A1 (de) * 2018-07-03 2020-01-09 Steinel Normalien Ag Gasdruckfeder mit einem druckbeaufschlagten Schmiermittelreservoir

Also Published As

Publication number Publication date
DE3318840A1 (de) 1983-12-01
IT8321336A0 (it) 1983-05-27
JPS58218400A (ja) 1983-12-19
GB2124327B (en) 1986-08-13
GB8309769D0 (en) 1983-05-18
JPH0332439B2 (US06330241-20011211-M00004.png) 1991-05-13
CA1207215A (en) 1986-07-08
IT1163406B (it) 1987-04-08
GB2124327A (en) 1984-02-15
US4765227A (en) 1988-08-23

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee