EP2668394A1 - Startvorrichtung mit geräuschgedämpftem vorspuraktuator - Google Patents
Startvorrichtung mit geräuschgedämpftem vorspuraktuatorInfo
- Publication number
- EP2668394A1 EP2668394A1 EP12702777.9A EP12702777A EP2668394A1 EP 2668394 A1 EP2668394 A1 EP 2668394A1 EP 12702777 A EP12702777 A EP 12702777A EP 2668394 A1 EP2668394 A1 EP 2668394A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- armature
- starting device
- spring
- union nut
- starting
- 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- Withdrawn
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses
- F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
- F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
- F02N15/067—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement the starter comprising an electro-magnetically actuated lever
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/30—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
- H01H50/305—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature damping vibration due to functional movement of armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/02—Non-polarised relays
- H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
- H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
- H01H51/065—Relays having a pair of normally open contacts rigidly fixed to a magnetic core movable along the axis of a solenoid, e.g. relays for starting automobiles
Definitions
- the starter pinion is usually rigidly connected to the rotor shaft of the electric motor, for. B. pressed onto this or formed integrally to this.
- the power supply to the rotor is generally via brushes and a commutator, whereas the stator with windings and / or with
- Permanent magnet can be equipped.
- an intermediate gear in particular a planetary gear can be used.
- the anchor pinion then drives the actual starting pinion via the intermediate gear.
- a magnetically operated Vorspulaktuator is often provided which serves to engage the Andrehritzels in the number ring on the flywheel of the internal combustion engine.
- a freewheel is often provided.
- Combustion engine occur by the up and down movement of the pistons during compression and decompression in the combustion chamber pulsating torque surges.
- US 5,241,871 discloses a torque limited electric starter for an internal combustion engine.
- the shaft of the electric motor is with a threaded portion provided, the plate with a disk-shaped drive is engaged.
- the starter pinion is freely rotatable on the shaft and axially slidably received.
- Drive plate and the starter pinion is a cup-shaped coupling body made of an elastomer. Wrd the electric motor for starting the internal combustion engine set in rotation, the drive plate screwed due to their inertia in
- Torque is adjustable by the degree of compression of the coupling body.
- the freely rotatable starter pinion is used directly for meshing in the number ring of the
- DE 101 48 670 A1 relates to a starter device for cranking
- the resilient element can be realized with a torsion bar, an annular element, a meandering leaf spring or a wrap spring.
- a defined torque limit is - apart from the
- FR 2 803 125 A1 discloses a DC generator having a rotor and a stator for use in aircraft, in particular helicopters. The current is drawn off via a collector connected to the rotor. The stator is monoblocked to increase the vibration resistance of the generator. A drive pinion of the generator is connected via a flexible coupling with the rotor shaft to the
- Stops can be moved longitudinally and resiliently supported on the drive-side stop and carries a pressure ring and at least one shim. That of the
- Multi-plate clutch transmitted torque increases continuously after the start of the armature shaft of the electric motor until a maximum transferable, limited by the at least one shim torque is reached.
- This embodiment is structurally relatively expensive due to the use of the multi-plate clutch and the transmissible torque varies.
- Andrehritzel strikes at an end bearing extension of the device and is then frictionally coupled via the driver and the screw to the drive shaft of the electric motor.
- a damping element which dampens a hard metallic contact between the armature linearly movable armature on the one hand and located in the Vorspuraktuator anchor return and ideally completely avoids.
- This is on an end face of the housing in the Vorspuraktuators linearly movable armature provided a cover plate to which a trained example as a spiral spring damping element is located. This in turn is connected to a support disk, which is arranged on the tension element, which is actuated with the linearly movable armature.
- the damping element in the form of a coil spring is used at full energization of the armature moving coils as a retaining element and causes on the last remaining distance of the linearly movable armature in the direction of the armature circuit, that in this case greatly accelerated linearly movable in the housing of the Vorspuraktuators Anchor is braked without affecting the magnetic force generated by the magnetic coils of Vorspuraktuators.
- the inventively proposed solution is particularly ensured that the magnetic force exerted by the Vorspuraktuator is not affected, so that the maximum according to the dimensions of the Vorspuraktuators generated magnetic force actuation, in particular a lever designed as a fork lever for engaging the Andrehritzels available ,
- FIG. 1 shows a longitudinal section through a starter for a
- Figure 3 shows the comparison of the courses of magnetic force and retention force on
- Toe-in actuator each applied over the path traveled by the linearly moving armature.
- FIG. 1 shows a starting device 10 in a longitudinal section.
- the starting device 10 has, for example, a starter motor 13 and a
- Vorspuraktuator 16 the z. B. may be designed as a relay, in particular as a starter relay on.
- the starter motor 13 and the electric Vorspuraktuator 16 are at a
- the starter motor 13 has the task of driving a starter pinion 22 when it is in the ring gear 25 of the illustrated in Figure 1
- the starter motor 13 has a housing as a pole tube 28, which at its inner periphery
- Pole shoes 31 carries, each of which may be wrapped by a field winding 34.
- the pole shoes 31 in turn surround an armature 37, which has an armature packet 43 constructed from fins 40 and an armature winding 49 arranged in grooves 46.
- Anchor package 43 is pressed onto a drive shaft 44.
- a commutator 52 is further attached, which is composed, inter alia, of individual commutator fins 55.
- Commutator bars 55 are electrically connected in a known manner with the armature winding 49, that upon energization of the commutator fins 55 by carbon brushes 58 results in a rotational movement of the armature 37 in the pole tube 28.
- a arranged between the Vorspuraktuator 16 and the starter motor 13 power supply 61 supplies in the ON state Both the carbon brushes 58 and the field winding 34 with power.
- the drive shaft 44 is commutator side supported with a shaft journal 64 in a sliding bearing 67, which in turn is held stationary in a commutator bearing cover 70.
- Commutator bearing cover 70 in turn is by means of tie rods 73 which are arranged distributed over the circumference of the pole tube 28, such. As screws, for example, two, three or four pieces mounted in the drive end plate 19. It relies while the pole tube 28 in
- the armature 37 is adjoined by a sun gear 80, which is part of an epicyclic gear, in particular a planetary gear 83.
- the sun gear 80 is surrounded by a plurality of planetary gears 86, usually these are three planet gears 86, which are supported by means of roller bearings 89 on journals 92.
- Planet wheels 86 roll in a ring gear 95, which is mounted outside in the pole tube 28.
- the planet gears 86 are adjoined by a planet carrier 98, in which the axle journals 92 are received.
- the planet carrier 98 is in turn stored in an intermediate storage 101 and a slide bearing 104 arranged therein.
- the intermediate bearing 101 is designed cup-shaped, that in this both the planetary carrier 98 and the planet gears 86 are added.
- the ring gear 95 which is ultimately closed by a lid 107 relative to the armature 37.
- the intermediate bearing 101 is supported with its outer periphery on the inner side of the pole tube 28.
- the armature 37 has on the end facing away from the commutator 52 end of the drive shaft 44, a further shaft journal 1 10, which is also received in a sliding bearing 113.
- the sliding bearing 113 in turn is received in a central bore of the planet carrier 98.
- the planet carrier 98 is integrally connected to the output shaft 1 16.
- the output shaft 116 is supported with its end 119 facing away from the intermediate bearing 101 in a further bearing 122 which is fixed in the drive bearing step 19.
- the output shaft 116 is divided into several sections: Thus, the section which is arranged in the sliding bearing 104 of the intermediate bearing 101, a section with a
- Spur gear 125 which is formed as internal toothing, which is part of a shaft-hub connection 128.
- the shaft-hub connection 128 in this case allows the axially rectilinear sliding of a driver 131.
- the driver 131 is a sleeve-like extension which is integrally connected to a cup-shaped outer ring 132 of the freewheel 137.
- the freewheel 137 (directional lock) further includes an inner ring 140 which is radially inward the outer ring 132 is arranged. Between the inner ring 140 and the outer ring 132 clamping body 138 are arranged.
- the clamping bodies 138 in cooperation with the inner ring 140 and the outer ring 132, prevent a relative movement between the outer ring 132 and the inner ring 140 in a second direction.
- the freewheel 137 allows a circumferential relative movement between the inner ring 140 and the outer ring 132 in one direction only.
- the inner ring 140 is made in one piece with the starting pinion 22 and its helical toothing 143 (external helical gearing).
- the starter pinion 22 may alternatively be designed as a straight toothed pinion.
- electromagnetically excited pole pieces 31 with exciter winding 34 permanent magnetically excited poles could also be used.
- the lever 190 is usually designed as a fork lever and engages with two "tines" not shown here, two discs 193, 194 on its outer periphery to move a trapped between them driver ring 197 to the freewheel 137 back against the resistance of a spring 200 and thereby the starter pinion 22 in the sprocket 25 of the
- Vorspuraktuator 16 has a bolt 150 which is an electrical contact and in the case of Einbausein in the vehicle to the positive terminal of an electric starter battery, which is not shown in Figure 1, is connected.
- the bolt 150 is passed through a lid 153.
- a second bolt 152 provides a connection for the electrical
- the lid 153 includes a housing 156 of the Vorspuraktuators 16 made of steel, which is fastened by means of several fasteners 159 (screws) on the drive end plate 19.
- a pusher 160 for exerting a pulling force on the lever 190 and a switching device 161.
- the pusher 160 includes a Wcklung 162, the switching device 161 another Wcklung 165.
- the switching device 161 each cause in the on state an electromagnetic field, which flows through various components.
- the shaft-hub connection 128 may be equipped with a helical toothing instead of a spur 125.
- Reference symbol 171 designates an armature conclusion opposite the front side of the linearly movable armature 168.
- a push rod 174 and a switching pulse 177 are provided on the linearly movable armature 168.
- Vorspuraktuators 16 are the contacts 180, and 181st
- FIG 2 shows a longitudinal section through the provided with the retainer according to the invention proposed Vorspuraktuator, here designed as a relay.
- the Vorspuraktuator 16 shown in longitudinal section in Figure 2 comprises the linearly displaceable in the housing 156 anchor 168. While one end face of the linearly movable armature 168 opposite the armature circuit 171 in the housing 156, located on the other end face 202, a cover 204, the part of the present invention
- the retaining device 203 comprises a spring element 206 and a support element 208.
- Retraction movement of the linearly movable armature 168 in the housing 156 may have a spring element 206 instead of a spiral spring designed as a spring element 206, which is at least one plate spring as a wave spring or as an annular block of elastic material, such as. As rubber, rubber or plastic or the like is made.
- the inventively proposed holding device 203 is preferably effective only when fully energized the windings 162, 165 is an acceleration of the armature 168 due to the strong magnetic force and the end face of the armature 168 moves in the retraction movement into the housing 156 to the armature circuit 171. Only after reaching a fixed path 214 (see illustration according to Figure 3) is the
- proposed holding means 203 is added in particular outside the housing of the Vorspuraktuators 16, d. H. in particular on the end face 202 of the linearly movable armature 168, specifically where it leaves the housing 156. Accordingly, no or only minor modifications to the tension element 187 on the one hand and on the front side 202 of the linearly movable armature 168 are required.
- the tension element 187 on the one hand and on the front side 202 of the linearly movable armature 168 are required.
- Vorspuraktuator 16 also includes the already shown in connection with Figure 1 contacts 180, and 181 and the bolt 150. Through the armature circuit 171 extends the shift pin 177, the push rod 174, which passes through the linearly movable armature 168, goes into the tension element 187 over. This comprises an opening indicated in FIG. 2, into which the lever 190, cf. Representation according to FIG. 1
- support member 208 of the retainer 203 is supported on an increase in diameter, which is formed in the tension member 187, from, so that the
- the inventively proposed solution has been modified with the simplest measures Vorspuraktuator 16 such that a noise that otherwise occurs upon contact of the metallic elements 168 and 171, is avoided.
- the Vorspuraktuator 16 is the cause of o noise, since this largely unencapsulated outside the starting device
- a starting device 10 for cranking internal combustion engines comprising a starter motor 13 and a Vorspuraktuator 16, comprising an armature 168 with a tension member 187 and an armature return 171, wherein the armature 168, a retainer 203 is provided, the armature 168 from Achieving a residual path 214 against the armature circuit 171 decelerates.
- the retaining device 203 comprises a cover plate 204, at least one spring element 206 and a support element 208, wherein the support element 208 is secured to the tension element 187, the spring element 206 is arranged between the support element 208 and the cover plate 204 and the cover plate 204 receives a braking force. The braking force acts between the
- Cover plate 204 d. H. a projection on the armature 168, in particular its edge or unspecified, the housing 156 directed collar, and the housing 156 and its unspecified anchor guide, the vzw. extends integrally from the housing 156 in the direction of the tension element 187.
- Spring element 206 develops its highest retention force only after reaching the residual travel 214, so that after passing through it, the armature 168 is braked during its retraction movement 218 and no metallic contact between the armature return 171 and the side of the linearly movable armature 168 facing it occurs.
- the proposed solution according to the invention is characterized by its simplicity, both in terms of assembly costs, as well as in terms of the number of parts used. Due to the mountability of the invention proposed Retaining device 203 from the outside of the Vorspuraktuators 16 forth, on the one hand, an easy accessibility of the end face 202 of the linearly movable armature 168th
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011003184.7A DE102011003184B4 (de) | 2011-01-26 | 2011-01-26 | Startvorrichtung mit geräuschgedämpftem Vorspuraktuator |
| PCT/EP2012/051140 WO2012101172A1 (de) | 2011-01-26 | 2012-01-25 | Startvorrichtung mit geräuschgedämpftem vorspuraktuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2668394A1 true EP2668394A1 (de) | 2013-12-04 |
Family
ID=45566979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12702777.9A Withdrawn EP2668394A1 (de) | 2011-01-26 | 2012-01-25 | Startvorrichtung mit geräuschgedämpftem vorspuraktuator |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2668394A1 (de) |
| CN (1) | CN103328812B (de) |
| DE (1) | DE102011003184B4 (de) |
| WO (1) | WO2012101172A1 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2260202A1 (de) * | 2008-03-31 | 2010-12-15 | Robert Bosch GmbH | Startvorrichtung |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1151983B (de) * | 1961-03-18 | 1963-07-25 | Bosch Gmbh Robert | Einrueckmagnetschalter fuer elektrische Andrehmotoren von Brennkraftmaschinen |
| FR1570596A (fr) * | 1968-03-25 | 1969-06-13 | Paris & Du Rhone | Perfectionnement aux démarreurs |
| DE2205235C3 (de) | 1972-02-04 | 1978-07-06 | Robert Bosch Gmbh, 7000 Stuttgart | Lamellenkupplung, insbesondere für Andrehvorrichtungen von Brennkraftmaschinen |
| DE2337260A1 (de) | 1973-07-21 | 1975-02-06 | Bosch Gmbh Robert | Schraubtrieb an andrehvorrichtungen fuer brennkraftmaschinen |
| US5241871A (en) | 1992-10-23 | 1993-09-07 | United Technologies Motor Systems, Inc. | Torque limiting starter drive clutch assembly |
| CN2364546Y (zh) * | 1999-03-30 | 2000-02-16 | 杜启明 | 电磁开关 |
| FR2803125B1 (fr) | 1999-12-23 | 2006-06-16 | Thomson Csf | Generatrice-demarreur a courant continu |
| DE10148670A1 (de) | 2001-10-02 | 2003-04-17 | Bosch Gmbh Robert | Startvorrichtung |
| JP2004068601A (ja) * | 2002-08-01 | 2004-03-04 | Hitachi Ltd | ソレノイドおよびそれを用いたスタータ |
| US7373908B2 (en) | 2006-08-29 | 2008-05-20 | Gm Global Technology Operations, Inc. | Reduced noise engine start-stop system using traditional crank device |
| EP2239453B8 (de) * | 2008-08-07 | 2017-08-02 | Denso Corporation | Startvorrichtung für Motoren |
| CN201478205U (zh) * | 2009-06-25 | 2010-05-19 | 厦门宏发电声股份有限公司 | 一种可消除动作噪声的继电器结构 |
| DE102010040269A1 (de) * | 2009-10-01 | 2011-04-07 | Robert Bosch Gmbh | Vorspuraktuator mit Dämpfung |
-
2011
- 2011-01-26 DE DE102011003184.7A patent/DE102011003184B4/de not_active Expired - Fee Related
-
2012
- 2012-01-25 CN CN201280006398.9A patent/CN103328812B/zh not_active Expired - Fee Related
- 2012-01-25 WO PCT/EP2012/051140 patent/WO2012101172A1/de not_active Ceased
- 2012-01-25 EP EP12702777.9A patent/EP2668394A1/de not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2260202A1 (de) * | 2008-03-31 | 2010-12-15 | Robert Bosch GmbH | Startvorrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011003184B4 (de) | 2020-06-18 |
| WO2012101172A1 (de) | 2012-08-02 |
| DE102011003184A1 (de) | 2012-07-26 |
| CN103328812B (zh) | 2016-06-08 |
| CN103328812A (zh) | 2013-09-25 |
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