DE20118099U1 - DC fan with ball bearing - Google Patents

DC fan with ball bearing

Info

Publication number
DE20118099U1
DE20118099U1 DE20118099U DE20118099U DE20118099U1 DE 20118099 U1 DE20118099 U1 DE 20118099U1 DE 20118099 U DE20118099 U DE 20118099U DE 20118099 U DE20118099 U DE 20118099U DE 20118099 U1 DE20118099 U1 DE 20118099U1
Authority
DE
Germany
Prior art keywords
ball bearing
chamber
insulating frame
fan
axle
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 - Lifetime
Application number
DE20118099U
Other languages
German (de)
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.)
Asia Vital Components Co Ltd
Original Assignee
Asia Vital Components Co Ltd
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 Asia Vital Components Co Ltd filed Critical Asia Vital Components Co Ltd
Priority to DE20118099U priority Critical patent/DE20118099U1/en
Publication of DE20118099U1 publication Critical patent/DE20118099U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/664—Retaining the liquid in or near the bearing
    • F16C33/6651—Retaining the liquid in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F04D25/062—Details of the 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1735—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at only one end of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (1)

Gleichstromlüfter mit Kugellager, aufweisend einen Rotor, einen Stator und einen Sitz, dadurch gekennzeichnet, daß
der Rotor aus Ventilatorflügeln, einer Achse, einem Motorgehäuse und Magneten zusammengesetzt ist, wobei die Achse an zentraler Stelle in eine Unterseite der Ventilatorflügel gesteckt ist, das Motorgehäuse an einer peripheren Innenseite der Ventilatorflügel angebracht ist und die Magneten an einer Innenseite des Motorgehäuses befestigt sind;
der Stator einen isolierenden Rahmen, Siliziumplatten, eine Schaltungsplatine und Spulen aufweist, wobei die Siliziumplatten ringförmig horizontal außen am isolierenden Rahmen angebracht sind, die Spulen im isolierenden Rahmen montiert sind und die Schaltungsplatine sich unterhalb des isolierenden Rahmens befindet; und
sich in zentraler Position im Sitz eine Lagereinheit befindet, in dem die Achse durch ein dazwischen eingebautes Kugellager geführt wird, wobei sich unterhalb des Kugellagers eine ölgefüllte Kammer befindet, die in eine erste Kammer und eine darüberliegende zweite Kammer aufgeteilt ist, die Achse ein unteres Ende hat, das in die erste Kammer unter Verbleiben eines mit Schmieröl gefüllten Volumens hineinreicht, ferner ein Haltering an der Oberseite der ersten Kammer über die Achse gesteckt ist und eine die Achse umgebende Feder zwischen den Haltering und das Kugellager gelegt ist;
wobei das Kugellager durch die Feder und die ölgefüllte Kammer spielfrei im Lager gehalten wird.DC fan with ball bearing, comprising a rotor, a stator and a seat, characterized in that
the rotor is composed of fan blades, an axle, a motor housing and magnets, the axis being inserted at a central location in an underside of the fan blades, the motor housing being attached to a peripheral inner side of the fan blades and the magnets being attached to an inner side of the motor housing;
the stator has an insulating frame, silicon plates, a circuit board and coils, the silicon plates being attached in a ring shape horizontally on the outside of the insulating frame, the coils being mounted in the insulating frame and the circuit board being located below the insulating frame; and
there is a bearing unit in a central position in the seat, in which the axle is guided through a ball bearing installed in between, with an oil-filled chamber underneath the ball bearing, which is divided into a first chamber and an overlying second chamber, the axle a lower end has, which extends into the first chamber with a volume filled with lubricating oil, a retaining ring is placed on the top of the first chamber over the axis and a spring surrounding the axis is placed between the retaining ring and the ball bearing;
the ball bearing is held in the bearing without play by the spring and the oil-filled chamber.
DE20118099U 2001-11-07 2001-11-07 DC fan with ball bearing Expired - Lifetime DE20118099U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20118099U DE20118099U1 (en) 2001-11-07 2001-11-07 DC fan with ball bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20118099U DE20118099U1 (en) 2001-11-07 2001-11-07 DC fan with ball bearing

Publications (1)

Publication Number Publication Date
DE20118099U1 true DE20118099U1 (en) 2002-01-17

Family

ID=7963681

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20118099U Expired - Lifetime DE20118099U1 (en) 2001-11-07 2001-11-07 DC fan with ball bearing

Country Status (1)

Country Link
DE (1) DE20118099U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008058433B4 (en) 2007-12-13 2018-03-22 Asmo Co., Ltd. Brushless motor and manufacturing method thereof
CN109780066A (en) * 2019-02-18 2019-05-21 安徽轰达电源有限公司 It is a kind of convenient for oily bearing arrangement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008058433B4 (en) 2007-12-13 2018-03-22 Asmo Co., Ltd. Brushless motor and manufacturing method thereof
DE102008058433B8 (en) * 2007-12-13 2018-05-30 Asmo Co., Ltd. Brushless motor and manufacturing method thereof
CN109780066A (en) * 2019-02-18 2019-05-21 安徽轰达电源有限公司 It is a kind of convenient for oily bearing arrangement

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020221

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20050128

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20080103

R158 Lapse of ip right after 8 years

Effective date: 20100601