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GB2448134A - High speed centrifuge with electromagnetic rotor arms - Google Patents

High speed centrifuge with electromagnetic rotor arms Download PDF

Info

Publication number
GB2448134A
GB2448134A GB0706378A GB0706378A GB2448134A GB 2448134 A GB2448134 A GB 2448134A GB 0706378 A GB0706378 A GB 0706378A GB 0706378 A GB0706378 A GB 0706378A GB 2448134 A GB2448134 A GB 2448134A
Authority
GB
United Kingdom
Prior art keywords
rotor arms
centrifuge
embedded
conducting wire
electrically conducting
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.)
Withdrawn
Application number
GB0706378A
Other versions
GB0706378D0 (en
Inventor
Stephen Desmond Lewis
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
Priority to GB0706378A priority Critical patent/GB2448134A/en
Publication of GB0706378D0 publication Critical patent/GB0706378D0/en
Publication of GB2448134A publication Critical patent/GB2448134A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/02—Casings; Lids
    • B04B7/06—Safety devices ; Regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B04B9/10—Control of the drive; Speed regulating

Landscapes

  • Centrifugal Separators (AREA)

Abstract

A centrifuge with its rotor arms 1 each having an insulated electrically conducting wire wrapped around them 6. This wire is then connected to coils of an insulated electrically conducting wire embedded in a sleeve 5 which is connected to the rotor arms and the drive of the centrifuge 4. Inside the sleeve is a spindle 3, which has magnets embedded in it 2, and is connected to the casing of the centrifuge via struts 7. The insulated electrically conducting wire which is wrapped around the rotor arms may have electricity supplied to it by an external power supply.

Description

* 2448134 The high speed centrifuge This invention relates to a
centrifuge in which the rotor arm is extra resistant to the centrifugal forces exerted on it.
When a centrifuge is running at full power the rotor arm is exposed to very high centrifugal forces which will eventually limit the maximum rpm that the centrifuge will be able to do, due to it breaking, stretching or snapping. To overcome this, the present invention proposes a centrifuge consisting of a rotor arm in which the rotor arms each have insulated electrically conducting wire wrapped around or embedded in all or part of them, to magnetise them when electricity is supplied to the insulated electrically conducting wire which is wrapped around or embedded in all or part of the rotor arms, the rotor arms being made of a material that can be magnetised.
Electricity supplied to the wire wrapped around the rotor arms will magnetise the rotor arms and this will pull the rotor arms inwards counteracting the centrifugal force that is pulling the rotor arms outwards as the centrifuge rotates.
Preferably, the magnetisation of the rotor arms will be performed using electricity supplied from an external power supply.
Preferably, the insulated electrically conducting wire wrapped around or embedded in all or part of the rotor arms is connected to coils of insulated electrically conducting wire embedded in or wrapped around or inside a sleeve, which is attached to the rotor arms and a drive of the centrifuge, that has a spindle inside it with magnets embedded in it or around it which is connected to the centrifuge casing, WhiCh generates electricity in the coils of insulated electrically conducting wire which is embedded in or wrapped around or inside the sleeve when the rotor arms and thus the sleeve is rotated, the faster the rotor arms spin the more electricity is generated thus the more magnetised the rotor arms become resulting in more inwards force to counteract the increased centrifugal force that is generated as the centrifuge spins faster.
An example of the invention will now be described by referring to the accompanying drawing: -figure 1 shows a side view of the high speed centrifuge according to the invention.
A centrifuge I has insulated electrically conducting wire wrapped around each rotor arm 6. The coils of insulated electrically conducting wire wrapped around each rotor arm are connected to coils of insulated electrically conducting wire which are embedded in or wrapped around or inside a sleeve 5, the sleeve then leads to the drive of the centrifuge 4 and is also attached to the rotor arms. Inside the sleeve is a spindle 3 which has magnets embedded in it or around it 2 which is attached to the centrifuge casing via struts 7. The spindles magnets generates electricity in the cods of insulated electrically conducting wire which is embedded in or wrapped around or inside the sleeve when the rotor arms and thus the sleeve is rotated, the faster the rotor arms spin the more electricity is generated thus the more magnetised the rotor arms become resulting in more inwards force to counteract the increased centrifugal force that is generated as the centrifuge spins faster. Electricity may be supplied to the insulated electrically conducting wire wrapped around the rotor arms using electricity supplied from an external power supply.

Claims (3)

  1. Claims I A centrifuge consisting of a rotor arm in which the rotor arms
    each have insulated electrically conducting wire wrapped around or embedded in all or part of them, to magnetise them when electricity is supplied to the insulated electrically conducting wire which is wrapped around or embedded in all or part of the rotor arms, the rotor arms being made of a material that can be magnetised.
  2. 2 A centrifuge according to claim 1, in which the magnetisation of the rotor arms will be performed using electricity supplied from an external power supply.
  3. 3 A centrifuge according to claim I, in which the insulated electrically conducting wire wrapped around or embedded in all or part of the rotor arms is connected to coils of insulated electrically conducting wire embedded in or wrapped around or inside a sleeve, which is attached to the rotor arms and a drive of the centrifuge, that has a spindle inside it with magnets embedded in it or around it which is connected to the centrifuge casing, which generates electricity in the coils of insulated electrically conducting wire which is embedded in or wrapped around or inside the sleeve when the rotor arms and thus the sleeve is rotated, the faster the rotor arms spin the more electricity is generated thus the more magnetised the rotor arms become resulting in more inwards force to counteract the increased centrifugal force that is generated as the centrifuge spins faster.
GB0706378A 2007-04-02 2007-04-02 High speed centrifuge with electromagnetic rotor arms Withdrawn GB2448134A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0706378A GB2448134A (en) 2007-04-02 2007-04-02 High speed centrifuge with electromagnetic rotor arms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0706378A GB2448134A (en) 2007-04-02 2007-04-02 High speed centrifuge with electromagnetic rotor arms

Publications (2)

Publication Number Publication Date
GB0706378D0 GB0706378D0 (en) 2007-05-09
GB2448134A true GB2448134A (en) 2008-10-08

Family

ID=38050669

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0706378A Withdrawn GB2448134A (en) 2007-04-02 2007-04-02 High speed centrifuge with electromagnetic rotor arms

Country Status (1)

Country Link
GB (1) GB2448134A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147396A (en) * 1977-02-22 1979-04-03 Cambridge Thermionic Corporation High speed rotor system
US4670003A (en) * 1985-10-29 1987-06-02 Sherwood & Vivin Judson Centrifugal apparatus and method
US5593378A (en) * 1995-03-07 1997-01-14 Dyck; Howard F. Centrifugal separator for flowable mixtures and having magnets and housing scrapers
US6465225B1 (en) * 1998-06-29 2002-10-15 Evotec Oai Ag Method and device for manipulating particles in microsystems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147396A (en) * 1977-02-22 1979-04-03 Cambridge Thermionic Corporation High speed rotor system
US4670003A (en) * 1985-10-29 1987-06-02 Sherwood & Vivin Judson Centrifugal apparatus and method
US5593378A (en) * 1995-03-07 1997-01-14 Dyck; Howard F. Centrifugal separator for flowable mixtures and having magnets and housing scrapers
US6465225B1 (en) * 1998-06-29 2002-10-15 Evotec Oai Ag Method and device for manipulating particles in microsystems

Also Published As

Publication number Publication date
GB0706378D0 (en) 2007-05-09

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)