WO2006047807A2 - Ausgleichswelle - Google Patents
Ausgleichswelle Download PDFInfo
- Publication number
- WO2006047807A2 WO2006047807A2 PCT/AT2005/000446 AT2005000446W WO2006047807A2 WO 2006047807 A2 WO2006047807 A2 WO 2006047807A2 AT 2005000446 W AT2005000446 W AT 2005000446W WO 2006047807 A2 WO2006047807 A2 WO 2006047807A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plane
- sections
- balancing
- cross
- balance
- Prior art date
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
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
-
- 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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/22—Compensation of inertia forces
- F16F15/26—Compensation of inertia forces of crankshaft systems using solid masses, other than the ordinary pistons, moving with the system, i.e. masses connected through a kinematic mechanism or gear system
- F16F15/264—Rotating balancer shafts
-
- 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
- F16C15/00—Construction of rotary bodies to resist centrifugal force
-
- 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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/22—Compensation of inertia forces
- F16F15/26—Compensation of inertia forces of crankshaft systems using solid masses, other than the ordinary pistons, moving with the system, i.e. masses connected through a kinematic mechanism or gear system
-
- 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
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2173—Cranks and wrist pins
- Y10T74/2183—Counterbalanced
Definitions
- the invention relates to a balance shaft, the balance weight is located between two cylindrical bearing surfaces, wherein the mutual end cross-sections of the balance weight by a circular arc and a secant limited circle segments.
- Balancing shafts are used for the mass balance of piston engines, in particular internal combustion engines; on machines with four cylinders in series in pairs and with double crankshaft speed. In other cylinder numbers and arrangements, balance shafts are sometimes used in other dispositions.
- the rigidity of the shaft can be further increased with a minimum increase in mass if the compensating weight on the side facing away from its center of gravity of the plane defined by the secants of the two circle segments has a stiffening rib which is also very narrow can.
- the contour of the stiffening rib in a normal plane to said plane may be a straight line.
- the contour of the stiffening rib in the axis-normal cross-section may be at least approximately equal to the cylindrical bearing surfaces. This has the advantage that there is no rugged cross-sectional transition between the cylindrical bearing surface and the side of the balance weight facing away from the eccentric center of gravity.
- FIG. 3 a) section AA and b) section BB in FIG. 2, FIG.
- FIG. 5 longitudinal section as in FIG. 4, shaft rotated by 90 degrees
- FIG. 6 a) section AA and b) section BB in FIG. 5.
- the balance shaft according to the invention is summarily with
- the balance weight 4 whose shape is essential to the invention.
- the balancing weight 4 has a circular segment-shaped cross section at its first end face 10 and at its second end face 11, each being delimited by a circular arc 12 and a secant 13.
- the circle segment is a semicircle segment.
- the secant could also be on the axis 7, that is on the side facing away from the center of gravity S side of the axis 7.
- From die ⁇ sem cross sections 10,11 starting the balance weight 4 has special contours.
- a plane 14, spanned by the secants 13 of the two end cross-sections 10, 11, and a normal plane 17, which is normal thereto and the axis 7, are introduced first.
- the contour 15 in the plane 14 converges from the two end cross-sections 10, 11 starting from the longitudinal center 18, in which it forms a "waist", see FIG. 2.
- the normal plane 17 see FIG Contour 16.
- the cross-sectional profile of the compensating weight 4 can be seen over its length on the basis of the sections a), b) of Fig. 3.
- the cross-section is the described end cross-section defined by a circular arc 12; towards the middle of the cross section is at constant dimension in the normal plane 17 (the rectilinear contour 16) in the plane auf ⁇ by the secant tensioned plane 14 is always narrower to the cross section of Fig. 3 a).
- the large semi-axis 20 of the ellipse equal to the radius of the circular arc 12, that is unchanged according to the line 16 and the small semi-axis 21 of the ellipse much smaller , for example, equal to the radius of the cylindrical bearing surfaces 2,3.
- the cross section is designated by 10 * and the elliptical arc with 12 *.
- a stiffening rib 22 is provided on the side facing away from the center of gravity F of the plane 14 which is stretched by the secants, which extends between the two bearing surfaces 2, 3 over the entire length with a straight contour 23.
- FIGS. 4 to 6 differs therefrom in that the stiffening rib 30 assumes the cross-section of one of the two cylindrical bearing surfaces 2, 3 (or both).
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2586981A CA2586981C (en) | 2004-11-08 | 2005-11-08 | Balancing shaft |
US11/666,930 US7571703B2 (en) | 2004-11-08 | 2005-11-08 | Balancing shaft |
DE112005002677T DE112005002677A5 (de) | 2004-11-08 | 2005-11-08 | Ausgleichswelle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATGM803/2004 | 2004-11-08 | ||
AT0080304U AT7885U1 (de) | 2004-11-08 | 2004-11-08 | Ausgleichswelle |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006047807A2 true WO2006047807A2 (de) | 2006-05-11 |
WO2006047807A3 WO2006047807A3 (de) | 2006-07-06 |
Family
ID=34842222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2005/000446 WO2006047807A2 (de) | 2004-11-08 | 2005-11-08 | Ausgleichswelle |
Country Status (6)
Country | Link |
---|---|
US (1) | US7571703B2 (de) |
KR (1) | KR20070108854A (de) |
AT (1) | AT7885U1 (de) |
CA (1) | CA2586981C (de) |
DE (1) | DE112005002677A5 (de) |
WO (1) | WO2006047807A2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008009557A1 (de) * | 2008-02-16 | 2009-08-20 | Schaeffler Kg | Ausgleichswelle für einen Mehrzylindermotor |
DE102009031064A1 (de) | 2009-06-30 | 2011-01-05 | Schaeffler Technologies Gmbh & Co. Kg | Lageranordnung mit einer Welle und einem Nadellager |
US10047824B2 (en) * | 2014-07-29 | 2018-08-14 | Deere & Company | Method for pre-balancing and machining a crankshaft based on a mass distribution method |
DE102018119524B4 (de) * | 2018-08-10 | 2020-10-29 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Bildung eines Systems aus Ausgleichswelle und Lager oder Lagering |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19807180A1 (de) | 1998-02-20 | 1999-08-26 | Bayerische Motoren Werke Ag | Vorrichtung zum Massenausgleich an einer Hubkolben-Brennkraftmaschine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6184434A (ja) * | 1984-09-29 | 1986-04-30 | Mitsubishi Motors Corp | エンジンのバランサ装置 |
JPH01250641A (ja) | 1988-02-25 | 1989-10-05 | Volkswagen Ag <Vw> | 質量つりあい装置 |
DE4211629B4 (de) * | 1992-04-07 | 2004-11-11 | Bayerische Motoren Werke Ag | Massenkraftausgleich und/oder Wechselmomentenausgleich an Hubkolbenmaschinen |
US5857388A (en) * | 1996-07-09 | 1999-01-12 | Simpson Industries, Inc. | Balance shafts having minimal mass |
CA2316152C (en) | 1999-09-03 | 2004-10-05 | Honda Giken Kogyo Kabushiki Kaisha | Balance shaft for engine balancing systems |
US6581495B2 (en) * | 2000-01-26 | 2003-06-24 | International Engine Intellectual Property Company, Llc | Balancer shaft |
-
2004
- 2004-11-08 AT AT0080304U patent/AT7885U1/de not_active IP Right Cessation
-
2005
- 2005-11-08 WO PCT/AT2005/000446 patent/WO2006047807A2/de active Application Filing
- 2005-11-08 US US11/666,930 patent/US7571703B2/en not_active Expired - Fee Related
- 2005-11-08 KR KR1020077012841A patent/KR20070108854A/ko not_active Application Discontinuation
- 2005-11-08 CA CA2586981A patent/CA2586981C/en not_active Expired - Fee Related
- 2005-11-08 DE DE112005002677T patent/DE112005002677A5/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19807180A1 (de) | 1998-02-20 | 1999-08-26 | Bayerische Motoren Werke Ag | Vorrichtung zum Massenausgleich an einer Hubkolben-Brennkraftmaschine |
Also Published As
Publication number | Publication date |
---|---|
CA2586981C (en) | 2012-01-31 |
US7571703B2 (en) | 2009-08-11 |
WO2006047807A3 (de) | 2006-07-06 |
KR20070108854A (ko) | 2007-11-13 |
US20080121203A1 (en) | 2008-05-29 |
DE112005002677A5 (de) | 2007-09-13 |
AT7885U1 (de) | 2005-10-17 |
CA2586981A1 (en) | 2006-05-11 |
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