DK200000775A - Hydraulisk motor med bremseaggregat - Google Patents

Hydraulisk motor med bremseaggregat Download PDF

Info

Publication number
DK200000775A
DK200000775A DK200000775A DKPA200000775A DK200000775A DK 200000775 A DK200000775 A DK 200000775A DK 200000775 A DK200000775 A DK 200000775A DK PA200000775 A DKPA200000775 A DK PA200000775A DK 200000775 A DK200000775 A DK 200000775A
Authority
DK
Denmark
Prior art keywords
housing
piston
output shaft
annular
brake
Prior art date
Application number
DK200000775A
Other languages
English (en)
Inventor
Brad P Shupe
Original Assignee
Parker Hannifin Corp
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 Parker Hannifin Corp filed Critical Parker Hannifin Corp
Publication of DK200000775A publication Critical patent/DK200000775A/da

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G08B5/38—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0084—Brakes, braking assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/103—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member one member having simultaneously a rotational movement about its own axis and an orbital movement
    • F04C2/104—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member one member having simultaneously a rotational movement about its own axis and an orbital movement having an articulated driving shaft
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to two or more of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to two or more of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Hydraulic Motors (AREA)
  • Braking Arrangements (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Description

What is claimed is: 1. A hydraulic device (10) characterized as including: an axially-extending housing (11); a hydraulic motor (12) at one end of the housing (11) having a stator (44) and a rotor (42) with cooperating teeth defining fluid pockets (46), a wobble shaft (70) connected to said rotor, said rotor (42) rotating and orbiting relative to said stator when hydraulic fluid is directed into and out of the fluid pockets (46); an axially-extending output shaft (14) extending outward from another end of the housing, the output shaft (14) having an inner end portion (89) located in the housing and connected to said wobble shaft (70) to rotate said output shaft (14) upon rotation and orbital movement of said rotor (42); a brake assembly (16) disposed in the housing including, said brake assembly including i) a plurality of annular brake disks (108) interleaved in face-to-face relation with one another, at least some of said disks (122) being fixed to the output shaft (14) for rotation therewith, and other of said brake disks (126) being fixed to the housing (11); ii) an annular piston (24) surrounding the output shaft (14) and axially moveable with respect thereto; and iii) at least one spring device (130) normally biased against one annular surface (133) of the piston to urge said piston (24) toward and against the brake disks (108) to cause said brake disks (108) to brake the output shaft (14); an annular fluid pressure cavity (136) defined by another surface (139) of the piston (24) axially-opposite from the one surface (133) to move the piston (24) away from the brake disks (108) when fluid above the force of the spring device (130) enters the cavity, said piston (124) including a radially-projecting stop surface (133) across a major portion of the one surface (133) of the piston and the housing (11) including a corresponding radially-projecting stop surface (145), the stop surface (133) of the piston engaging the stop surface (145) of the housing prior to maximum compression of the spring device (130), wherein the piston (24) is prevented from cocking when the stop surface (133) of the piston contacts the stop surface (145) of the housing. 2. The hydraulic device (10) as in claim 1, wherein the stop surface (133) of the piston contacting the stop surface (145) of the housing is at least along the inner diameter of the annular one surface (133) of the piston. 3. The hydraulic device (10) as in any of the previous claims, wherein the stop surface (133) of the piston is at least along the outer diameter of the one annular surface (133) of the piston. 4. The hydraulic device (10) as in any of the previous claims, wherein a plurality of springs (13) are provided normally under compression against the one annular surface (133) of the piston to urge said piston toward and against the brake disks (108), the springs (130) located in a series of cylindrical cavities (134) formed in the housing, with the housing stop surface (145) radially inwardly and outwardly bounding the cavities (134). 5. The hydraulic device (10) as in claim 4, wherein the cylindrical cavities (134) for the compression springs (130) open toward the other end of the housing, away from the motor end of the housing. 6. The hydraulic device (10) as in any of the previous claims, wherein the spring device (130) is provided toward the motor end of the housing, the brake disks (108) are provided toward the other end of the housing, and the piston (24) is disposed axially between the spring device (13) and the brake disks (108). 7. The hydraulic device (10) as in claim 4, wherein said housing (11) includes a) a unitary, one-piece housing cover (96) at the other end of the housing (11) having a central opening for the output shaft (14) , said housing cover (96) having a cup-shape and receiving and at least partially enclosing the brake disks (108) and the annular piston (24), and b) a unitary, one-piece housing body (54) toward the one end of the housing (11) including the plurality of cylindrical cavities (134) to receive the compression springs (130), the cup-shaped housing cover (96) and housing body (54) sealingly enclosing the brake disks (108), annular piston (24) and compression springs (130) therebetween. 8. A hydraulic device (10), characterized as including: an axially-extending housing (11); a hydraulic motor (12) at one end of the housing (11) having a stator (44) and a rotor (42) with cooperating teeth defining fluid pockets (46), a wobble shaft (70) connected to said rotor, said rotor rotating and orbiting relative to said stator when hydraulic fluid is directed into and out of the fluid pockets (46); an axially-extending output shaft (14) extending outward from another end of the housing, the output shaft (14) having an inner end portion (89) located in the housing and connected to said wobble shaft (70) to rotate said output shaft (14) upon rotation and orbital movement of said rotor (42); a brake assembly (16) disposed in the housing, said brake assembly including i) a plurality of annular brake disks (108) interleaved in face-to-face relation with one another, at least some of said disks (122) being fixed to the output shaft (14) for rotation therewith, and other of said brake disks (126) being fixed to the housing (11); ii) an annular piston (24) surrounding the output shaft (14) and axially moveable with respect thereto; and iii) at least one spring device (13) normally biased against one annular surface (133) of the piston (24) to urge said piston toward and against the brake disks (108) to cause said brake disks to brake the output shaft (14); an annular fluid pressure cavity (136) defined by another surface (139) of the piston axially-opposite from the one surface (133) to move the piston (24) away from the brake disks (108) when fluid above the force of the spring device (130) enters the cavity, the spring device (130) provided toward the one end of the housing, the brake disks (108) provided toward the other end of the housing, and the piston (24) disposed axially between the spring device and the brake disks. 9. The hydraulic device (10) as in claim 8, wherein a plurality of springs (130) are provided normally under compression against the one annular surface (133) of the piston to urge said piston toward and against the brake disks (108), the springs (130) being located in a series of cylindrical cavities (134) formed in the housing, with the housing stop surface (145) radially inwardly and outwardly bounding the cavities. 10. The hydraulic device (10) as in claims 8 or 9, wherein the cylindrical cavities (134) for the compression springs (130) open toward the other end of the housing, away from the motor end of the housing. 11. A hydraulic device (10), characterized as including: an axially-extending housing (11); a hydraulic motor (12) at one end of the housing (11), and a drive linkage (14, 70) to operate the motor, the drive linkage including an axially-extending output shaft (14) extending outward from another end of the housing, the output shaft rotating upon operation of the motor (12); a brake assembly (16) disposed in said housing, said brake assembly including i) a plurality of annular brake disks (108) interleaved in face-to-face relation with one another, at least some of said disks (122) being fixed to the output shaft (14) for rotation therewith, and other of said brake disks (126) being fixed to the housing (11); ii) an annular piston (24) surrounding the output shaft (14) and axially moveable with respect thereto; and iii) a series of compression springs (130) normally biased against one annular surface (133) of the piston (24) to urge said piston toward and against the brake disks (108) to cause said brake disks to brake the output shaft (14); an annular fluid pressure cavity (136) defined by another surface (139) of the piston (240 axially-opposite from the one surface (133) to move the piston (24) away from the brake disks (108) when fluid above the force of the springs (130) enters the cavity, an annular seal (150) surrounding the output shaft and blocking flow between the brake assembly (16) and the hydraulic motor (12); and a thrust bearing (98) disposed adjacent the inner end of the output shaft in fluid communication with the hydraulic motor, said thrust bearing (98) disposed between radially-extending and opposing bearing surfaces (98a, 98b) formed in the housing (11) and in the output shaft (14), said thrust bearing (98) at least partially axially supporting the inner end portion of said output shaft (14) for rotation relative to the housing (11).
DK200000775A 1999-05-20 2000-05-10 Hydraulisk motor med bremseaggregat DK200000775A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13498699P 1999-05-20 1999-05-20

Publications (1)

Publication Number Publication Date
DK200000775A true DK200000775A (da) 2000-11-21

Family

ID=22465966

Family Applications (1)

Application Number Title Priority Date Filing Date
DK200000775A DK200000775A (da) 1999-05-20 2000-05-10 Hydraulisk motor med bremseaggregat

Country Status (3)

Country Link
US (2) US6336729B1 (da)
DE (1) DE10022758A1 (da)
DK (1) DK200000775A (da)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030137827A1 (en) * 2002-01-21 2003-07-24 Matthew Bouton Dispenser apparatus including integral glow stick
US6798956B2 (en) * 2002-07-16 2004-09-28 Sun Microsystems, Inc. Optical cable with indicator
NL1022646C2 (nl) * 2003-02-11 2004-08-12 Life Safety Products B V Voertuig alarminrichting.
US7033055B1 (en) * 2003-10-31 2006-04-25 Rutter Sr David Emergency light system
US7287969B2 (en) * 2005-01-18 2007-10-30 Eaton Corporation Rotary fluid pressure device and improved brake assembly for use therewith
JP5288184B2 (ja) * 2006-01-20 2013-09-11 イートン コーポレーション 回転式流体圧装置およびそれに用いる改良されたパーキングロックアセンブリ
US7695258B2 (en) * 2006-05-08 2010-04-13 White Drive Products, Inc. Gerotor motor and brake assembly
CA2689533A1 (en) * 2006-06-06 2007-12-13 Towatch Bv A device with signal generator and signal receiver for providing controlled access to information and/or communication channels
WO2008115557A1 (en) * 2007-03-20 2008-09-25 Jack-N-Jill Enterprises, Inc. Deployable emergency lighting system
US7645047B2 (en) * 2007-03-20 2010-01-12 Emerge Products, Llc Deployable emergency lighting system
US7824046B2 (en) * 2007-03-20 2010-11-02 Emerge Products, Llc Deployable emergency lighting system
US7845919B2 (en) * 2007-03-30 2010-12-07 Eaton Corporation Brake releasing mechanism and brake system
US9345836B2 (en) 2007-10-02 2016-05-24 Medimop Medical Projects Ltd. Disengagement resistant telescoping assembly and unidirectional method of assembly for such
US20090093793A1 (en) 2007-10-02 2009-04-09 Yossi Gross External drug pump
US9656019B2 (en) 2007-10-02 2017-05-23 Medimop Medical Projects Ltd. Apparatuses for securing components of a drug delivery system during transport and methods of using same
US7967795B1 (en) 2010-01-19 2011-06-28 Lamodel Ltd. Cartridge interface assembly with driving plunger
US10420880B2 (en) 2007-10-02 2019-09-24 West Pharma. Services IL, Ltd. Key for securing components of a drug delivery system during assembly and/or transport and methods of using same
US7722203B2 (en) * 2007-10-19 2010-05-25 Cyalume Technologies, Inc. Evacuation station with multiple lightstick activation
CA2741910A1 (en) * 2007-11-02 2009-05-07 Towatch Bv System and method for providing controlled access
US20090185360A1 (en) * 2008-01-22 2009-07-23 Palmer William R Evacuation Station with Single Lightstick Activation
DE102008035088A1 (de) 2008-07-28 2010-02-04 Av Hydraulikmotoren Gmbh Hydraulikaggregat, insbesondere Hydraulikmotor
US9393369B2 (en) 2008-09-15 2016-07-19 Medimop Medical Projects Ltd. Stabilized pen injector
US12097357B2 (en) 2008-09-15 2024-09-24 West Pharma. Services IL, Ltd. Stabilized pen injector
US20100097778A1 (en) * 2008-10-21 2010-04-22 Palmer William R Emergency light station with mechanically activated radio frequency signaling
US8157769B2 (en) 2009-09-15 2012-04-17 Medimop Medical Projects Ltd. Cartridge insertion assembly for drug delivery system
USD811584S1 (en) 2009-09-15 2018-02-27 Medimop Medical Projects Ltd. Injector device
US10071196B2 (en) * 2012-05-15 2018-09-11 West Pharma. Services IL, Ltd. Method for selectively powering a battery-operated drug-delivery device and device therefor
US10071198B2 (en) 2012-11-02 2018-09-11 West Pharma. Servicees IL, Ltd. Adhesive structure for medical device
US8348898B2 (en) 2010-01-19 2013-01-08 Medimop Medical Projects Ltd. Automatic needle for drug pump
US9452261B2 (en) 2010-05-10 2016-09-27 Medimop Medical Projects Ltd. Low volume accurate injector
USD702834S1 (en) 2011-03-22 2014-04-15 Medimop Medical Projects Ltd. Cartridge for use in injection device
US9072827B2 (en) 2012-03-26 2015-07-07 Medimop Medical Projects Ltd. Fail safe point protector for needle safety flap
EP2895739B1 (en) * 2012-07-18 2021-05-12 Eaton Intelligent Power Limited Combined motor and brake with rotating brake-release piston
US9421323B2 (en) 2013-01-03 2016-08-23 Medimop Medical Projects Ltd. Door and doorstop for portable one use drug delivery apparatus
US9011164B2 (en) 2013-04-30 2015-04-21 Medimop Medical Projects Ltd. Clip contact for easy installation of printed circuit board PCB
US10293120B2 (en) 2015-04-10 2019-05-21 West Pharma. Services IL, Ltd. Redundant injection device status indication
US10149943B2 (en) 2015-05-29 2018-12-11 West Pharma. Services IL, Ltd. Linear rotation stabilizer for a telescoping syringe stopper driverdriving assembly
CN107683158B (zh) 2015-06-04 2021-05-14 麦迪麦珀医疗工程有限公司 用于药物释放装置的筒插入
US9987432B2 (en) 2015-09-22 2018-06-05 West Pharma. Services IL, Ltd. Rotation resistant friction adapter for plunger driver of drug delivery device
US10576207B2 (en) 2015-10-09 2020-03-03 West Pharma. Services IL, Ltd. Angled syringe patch injector
CN113648488B (zh) 2015-10-09 2024-03-29 西医药服务以色列分公司 至预填充的流体储存器的弯曲流体路径附加装置
WO2017066032A1 (en) * 2015-10-11 2017-04-20 Schlumberger Technology Corporation Submersible pumping system thrust bearing gas venting
EP3405227B1 (en) 2016-01-21 2020-06-17 West Pharma. Services Il, Ltd. Force containment in an automatic injector
EP3405229A1 (en) 2016-01-21 2018-11-28 West Pharma. Services Il, Ltd. Needle insertion and retraction mechanism
JP6885960B2 (ja) 2016-01-21 2021-06-16 ウェスト ファーマ サービシーズ イスラエル リミテッド 視覚的インジケータを有する薬剤デリバリデバイス
US11389597B2 (en) 2016-03-16 2022-07-19 West Pharma. Services IL, Ltd. Staged telescopic screw assembly having different visual indicators
CN109310831B (zh) 2016-06-02 2021-11-23 西医药服务以色列有限公司 三位置针缩回
CN109562229B (zh) 2016-08-01 2021-07-13 西医药服务以色列有限公司 抗旋转药筒销
JP7059251B2 (ja) 2016-08-01 2022-04-25 ウェスト ファーマ サービシーズ イスラエル リミテッド ドアの半閉じを防止するスプリング
US11168551B2 (en) 2016-10-23 2021-11-09 Schlumberger Technology Corporation Gas purging for electric submersible pumping system
US10781816B2 (en) 2017-04-13 2020-09-22 Eaton Intelligent Power Limited Hydraulic motor brake
CN110869072B (zh) 2017-05-30 2021-12-10 西部制药服务有限公司(以色列) 用于穿戴式注射器的模块化驱动机构
JP6852220B2 (ja) 2017-08-10 2021-03-31 ウェスト ファーマ サービシーズ イスラエル リミテッド 注射器の電源投入機構
WO2019126421A1 (en) 2017-12-22 2019-06-27 West Pharma. Services Il., Ltd. Injector usable with different dimension cartridges
CN107956636A (zh) * 2018-01-18 2018-04-24 镇江大力液压马达股份有限公司 一种液压制动马达
CN110131696B (zh) * 2019-06-03 2020-11-24 宁波东方盛世光电科技有限公司 一种户外led照明系统
FR3108693B1 (fr) * 2020-03-27 2022-04-01 Poclain Hydraulics Ind Machine hydraulique comprenant un empilement de disques sollicités par un poussoir
US12006924B2 (en) 2021-08-04 2024-06-11 Caterpillar Inc. Axial piston pump mounting flange configuration
CN121025430B (zh) * 2025-09-04 2026-02-27 沈阳北方防爆股份有限公司 一种防爆应急灯

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3071210A (en) 1960-04-06 1963-01-01 Gen Motors Corp Heavy-duty truck brake
GB1117417A (en) 1966-09-15 1968-06-19 Stromag Maschf Improvements in or relating to pressure operated multi-disc clutch
US3536230A (en) 1968-09-26 1970-10-27 Rockwell Standard Co Reduction gearing drive control
US3680666A (en) * 1970-01-08 1972-08-01 Sommer Co Motor brake unit
US3616882A (en) 1970-02-05 1971-11-02 Trw Inc Hydraulic motor-pump assembly with built-in brake
US3688878A (en) 1970-04-10 1972-09-05 Houdaille Industries Inc Multiple disk failsafe brake for rotary hydraulic motors
US3653342A (en) * 1970-07-21 1972-04-04 Music Service Co Inc Means for discouraging theft
US3798437A (en) 1972-08-11 1974-03-19 Bogue J Light source
US3940605A (en) 1974-12-18 1976-02-24 The United States Of America As Represented By The Secretary Of The Navy Chemiluminescent marker apparatus
US3946837A (en) * 1974-12-26 1976-03-30 Rohr Industries, Inc. Disc brake and actuator assembly
US3960470A (en) 1975-03-17 1976-06-01 Trw Inc. Hydraulic motor brake
US4184573A (en) * 1978-10-05 1980-01-22 Walter Kidde & Company, Inc. Double-acting disc brake having floating cylinder head
US4405973A (en) 1981-03-02 1983-09-20 Moscarillo Thomas L Emergency light sources
JPS59501989A (ja) 1982-11-01 1984-11-29 ダブリュ−・エッチ・ニコルズ・カンパニ− 水圧トルク装置
US4617561A (en) * 1985-03-11 1986-10-14 Second Chance Systems, Inc. Emergency light and smoke alarm system
US4739865A (en) 1986-06-30 1988-04-26 Force Control Industries, Inc. Clutch/brake unit with self-contained actuating pump system
US4814949A (en) 1987-11-13 1989-03-21 American Cyanamid Company Chemiluminescent device
US4930312A (en) 1988-10-03 1990-06-05 Sundstrand Corporation Brake actuator for hydraulic motors
US4981423A (en) 1989-10-03 1991-01-01 Trw Inc. Hydraulic motor with wobble-stick and brake assembly
DE4008362A1 (de) 1990-02-13 1991-08-14 Kinshofer Greiftechnik Hydromotor
US5028911A (en) 1990-02-23 1991-07-02 Black & Decker, Inc. Acoustically responsive portable emergency light
US5173218A (en) 1990-12-24 1992-12-22 American Cyanamid Company Preparation of chemiluminescent vinyl halide or vinylidene halide polymer structures
FR2675204B1 (fr) 1991-04-15 1993-08-06 Poclain Hydraulics Sa Ensemble d'un moteur hydraulique et d'un frein, et, compacteur en faisant application.
FR2683882B1 (fr) 1991-11-20 1994-02-25 Poclain Hydraulics Ensemble d'un moteur hydraulique et d'un frein.
US5446629A (en) * 1994-03-31 1995-08-29 Omniglow Corporation Emergency light fixture
US5406463A (en) 1994-05-25 1995-04-11 Schexnayder, Sr.; Louie M. Chemi-luminescent display for, for example, emergency sign use
JP3595642B2 (ja) * 1997-02-25 2004-12-02 能美防災株式会社 非常用ライト

Also Published As

Publication number Publication date
DE10022758A1 (de) 2000-11-23
US6345968B1 (en) 2002-02-12
US6336729B1 (en) 2002-01-08

Similar Documents

Publication Publication Date Title
DK200000775A (da) Hydraulisk motor med bremseaggregat
US4998864A (en) Scroll machine with reverse rotation protection
US4981423A (en) Hydraulic motor with wobble-stick and brake assembly
KR100319149B1 (ko) 전동기와 이 전동기에 의해 구동되는 피스톤 펌프로 구성되는 장치
EP0244183B1 (en) Scroll member for scroll type fluid displacement apparatus
GB2110770A (en) Radial piston machine
JP4152814B2 (ja) リリーフ弁
RU2007131433A (ru) Многоосный ротационный вакуумный насос
JPS62142881A (ja) 歯車式ポンプ
JP4728231B2 (ja) ポンプ
GB2176537A (en) Adjusting the vanes in a vane pump between operative and idle positions
KR100851441B1 (ko) 액체 펌프 및 실재
JPH0359273B2 (da)
JPH0361032B2 (da)
EP0628720A1 (en) A radial piston pump
US3531225A (en) Valve system means for stator-rotor mechanism
SE9002328L (da)
JP3699125B2 (ja) 流体ベーンモータ・ポンプ
JPH0446113Y2 (da)
SU1733704A1 (ru) Гидравлическое уравновешивающее устройство
KR0168333B1 (ko) 로터리 베인펌프
RU2115806C1 (ru) Роторная трубколопастная гидромашина переменной производительности
SU1534214A1 (ru) Динамическое радиальное уплотнение
JPH0320554Y2 (da)
JPH032468Y2 (da)

Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment