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GB2301399B - Axial flow pump/marine propeller - Google Patents

Axial flow pump/marine propeller

Info

Publication number
GB2301399B
GB2301399B GB9516653A GB9516653A GB2301399B GB 2301399 B GB2301399 B GB 2301399B GB 9516653 A GB9516653 A GB 9516653A GB 9516653 A GB9516653 A GB 9516653A GB 2301399 B GB2301399 B GB 2301399B
Authority
GB
United Kingdom
Prior art keywords
axial flow
flow pump
marine propeller
propeller
marine
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
GB9516653A
Other versions
GB9516653D0 (en
GB2301399A (en
Inventor
Wei-Min Zhang
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9516653D0 publication Critical patent/GB9516653D0/en
Priority to AT96908232T priority Critical patent/ATE185934T1/en
Priority to CNB961919760A priority patent/CN1136645C/en
Priority to DE69604795T priority patent/DE69604795T2/en
Priority to AU51553/96A priority patent/AU5155396A/en
Priority to EP96908232A priority patent/EP0819333B1/en
Priority to PCT/GB1996/000749 priority patent/WO1996031937A1/en
Priority to EP98203838A priority patent/EP0903835A1/en
Publication of GB2301399A publication Critical patent/GB2301399A/en
Application granted granted Critical
Publication of GB2301399B publication Critical patent/GB2301399B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/047—Bearings hydrostatic; hydrodynamic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
    • B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
    • B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/32—Other parts
    • 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
    • F04D13/0646—Units comprising pumps and their driving means the pump being electrically driven the hollow pump or motor shaft being the conduit for the working 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/0465—Ceramic bearing designs
    • 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/0467—Spherical bearings
    • 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/048—Bearings magnetic; electromagnetic
    • 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
    • F04D29/06—Lubrication
    • F04D29/061—Lubrication especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D3/00—Axial-flow pumps
    • F04D3/02—Axial-flow pumps of screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/002—Sorption machines, plants or systems, operating continuously, e.g. absorption type using the endothermic solution of salt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00—Compressor arrangements
    • F25B31/006—Cooling of compressor or motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D16/00—Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with refrigerating machinery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H02K7/088—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly radially supporting the rotor directly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/09—Structural association with bearings with magnetic bearings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/16—Propellers having a shrouding ring attached to blades
    • B63H2001/165—Hubless propellers, e.g. peripherally driven shrouds with blades projecting from the shrouds' inside surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
    • B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
    • B63H2011/081—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type with axial flow, i.e. the axis of rotation being parallel to the flow direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H2023/005—Transmitting power from propulsion power plant to propulsive elements using a drive acting on the periphery of a rotating propulsive element, e.g. on a dented circumferential ring on a propeller, or a propeller acting as rotor of an electric motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/073—Linear compressors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Electromagnetism (AREA)
  • Ceramic Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB9516653A 1995-04-03 1995-08-14 Axial flow pump/marine propeller Expired - Fee Related GB2301399B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CNB961919760A CN1136645C (en) 1995-04-03 1996-03-29 Linear motor compressor and its application in refrigeration system
AT96908232T ATE185934T1 (en) 1995-04-03 1996-03-29 LINEAR MOTOR COMPRESSOR AND ITS APPLICATION IN A REFRIGERATOR
DE69604795T DE69604795T2 (en) 1995-04-03 1996-03-29 LINEAR MOTOR COMPRESSOR AND ITS APPLICATION IN A COOLING DEVICE
AU51553/96A AU5155396A (en) 1995-04-03 1996-03-29 Linear motor compressor and its application in cooling syste m
EP96908232A EP0819333B1 (en) 1995-04-03 1996-03-29 Linear motor compressor and its application in cooling system
PCT/GB1996/000749 WO1996031937A1 (en) 1995-04-03 1996-03-29 Linear motor compressor and its application in cooling system
EP98203838A EP0903835A1 (en) 1995-04-03 1996-03-29 Axial flow pump/marine propeller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9506851.6A GB9506851D0 (en) 1995-04-03 1995-04-03 Axial flow pump/marine propeller

Publications (3)

Publication Number Publication Date
GB9516653D0 GB9516653D0 (en) 1995-10-18
GB2301399A GB2301399A (en) 1996-12-04
GB2301399B true GB2301399B (en) 1997-06-11

Family

ID=10772416

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9506851.6A Pending GB9506851D0 (en) 1995-04-03 1995-04-03 Axial flow pump/marine propeller
GB9516653A Expired - Fee Related GB2301399B (en) 1995-04-03 1995-08-14 Axial flow pump/marine propeller

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9506851.6A Pending GB9506851D0 (en) 1995-04-03 1995-04-03 Axial flow pump/marine propeller

Country Status (1)

Country Link
GB (2) GB9506851D0 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104989582A (en) * 2015-04-21 2015-10-21 李德生 Medium gear spiral groove power generation system
CN105041551A (en) * 2015-04-23 2015-11-11 李德生 Vortex barrier-free tooth recessed wall generating device

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999052197A1 (en) 1998-04-08 1999-10-14 Thermo Black Clawson Inc. Integrated paper pulp and process machinery having integrated drive and control and methods of use thereof
US6431926B1 (en) 1999-07-29 2002-08-13 Jonathan B. Rosefsky Ribbon drive propulsion system and method
GB0101099D0 (en) * 2001-01-16 2001-02-28 Shamsutdinov Lubeck The compulsion jet acceleration lifting pontoon
FR2823178B1 (en) * 2001-04-10 2003-08-22 Technicatome SHIP PROPELLER WITH SUSPENDED NACELLE UNDER HULL
EP1738783A1 (en) * 2005-07-01 2007-01-03 Universitätsspital Basel Axial flow pump with helical blade
EP1892816A1 (en) * 2006-08-24 2008-02-27 Chien-Chun Yu Magnetic floating shaft set and apparatus using same
RU2418195C2 (en) * 2007-06-13 2011-05-10 Федеральное государственное образовательное учреждение высшего профессионального образования "Горский государственный аграрный университет" Immersible electrically-driven pump
FR2969118B1 (en) * 2010-12-17 2012-12-28 Jean Villard PROPULSION SYSTEM FOR SHIPS
JP5855388B2 (en) * 2011-08-11 2016-02-09 株式会社三久工業 Rotation generating structure and flow liquid power generation system
EP2866852B1 (en) * 2012-07-02 2017-09-06 The Cleveland Clinic Foundation Two-stage rotodynamic blood pump
CN105003302B (en) * 2014-04-18 2017-04-12 松下知识产权经营株式会社 Turbine engine
JP6499770B2 (en) * 2015-03-25 2019-04-10 林聖梁Lin, Sheng−Lian Liquid rotation guide device
CN104976031A (en) * 2015-04-21 2015-10-14 李德生 High-voltage outward-transmission spiral-groove electricity generating system
CN104976039A (en) * 2015-04-23 2015-10-14 李德生 Vortex medium tooth turbine power generation equipment
CN104976037A (en) * 2015-04-23 2015-10-14 李德生 Vortex barrier-free intermediate tooth groove power generation device
CN104976038A (en) * 2015-04-23 2015-10-14 李德生 Vortex barrier-free intermediate tooth spiral ring power generation device
CN104976042A (en) * 2015-04-23 2015-10-14 李德生 Vortex barrier-free groove external-drive power generation equipment
WO2018058097A1 (en) 2016-09-26 2018-03-29 Fluid Handling Llc Multi-stage impeller produced via additive manufacturing
DE102017005737A1 (en) * 2017-06-17 2018-12-20 Norbert Täuber TUBE PUMP
ES2696204B2 (en) * 2017-07-11 2019-11-05 Gonzalez Emilio Bartolome Ship propulsion system by means of internally machined tubes in helical shape
CN109292063B (en) * 2018-11-23 2023-11-03 上海晟钧节能科技有限公司 Power device for deep sea diving device
CN111439361B (en) * 2020-04-27 2024-08-20 广州海工船舶设备有限公司 Circumferential multi-motor driven annular electric propeller
IT202000013258A1 (en) * 2020-06-04 2021-12-04 Eni Spa WINDING FOR SMALL SIZE ELECTRIC MACHINES AND ELECTRIC MACHINE EQUIPPED WITH SUCH WINDING
US11867202B2 (en) 2020-10-15 2024-01-09 Marlin As Pump with ring motor
CN115143139B (en) * 2022-07-20 2023-05-05 扬州大学 Floating impeller centrifugal pump with automatic limiting function and design method thereof
EP4679683A1 (en) * 2024-07-08 2026-01-14 KB Intellectual Property GmbH & Co. KG Cooling system for an electric device and electric motor with the cooling system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1413835A (en) * 1971-12-20 1975-11-12 Maschf Augsburg Nuernberg Ag Flow machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1413835A (en) * 1971-12-20 1975-11-12 Maschf Augsburg Nuernberg Ag Flow machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104989582A (en) * 2015-04-21 2015-10-21 李德生 Medium gear spiral groove power generation system
CN105041551A (en) * 2015-04-23 2015-11-11 李德生 Vortex barrier-free tooth recessed wall generating device

Also Published As

Publication number Publication date
GB9506851D0 (en) 1995-05-24
GB9516653D0 (en) 1995-10-18
GB2301399A (en) 1996-12-04

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060814