FR2487912A1 - FAN AND PTO ASSEMBLY FOR A THERMAL ENGINE - Google Patents
FAN AND PTO ASSEMBLY FOR A THERMAL ENGINE Download PDFInfo
- Publication number
- FR2487912A1 FR2487912A1 FR8016812A FR8016812A FR2487912A1 FR 2487912 A1 FR2487912 A1 FR 2487912A1 FR 8016812 A FR8016812 A FR 8016812A FR 8016812 A FR8016812 A FR 8016812A FR 2487912 A1 FR2487912 A1 FR 2487912A1
- Authority
- FR
- France
- Prior art keywords
- fan
- assembly according
- crankshaft
- pto
- sleeve
- 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.)
- Granted
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/08—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps
- F01P7/081—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps using clutches, e.g. electro-magnetic or induction clutches
- F01P7/082—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps using clutches, e.g. electro-magnetic or induction clutches using friction clutches
- F01P7/084—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps using clutches, e.g. electro-magnetic or induction clutches using friction clutches actuated electromagnetically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
L'ENSEMBLE VENTILATEUR ET DE PRISE DE FORCE POUR MOTEUR THERMIQUE COMPORTE DES MOYENS DE SUPPORT 3A POUR UN VENTILATEUR 19 ET 4B POUR UNE PRISE DE FORCE 28 QUI SONT DISPOSES EN PORTE-A-FAUX AU-DELA DU VILEBREQUIN 1 D'UN MOTEUR THERMIQUE QUI LES PORTE.THE FAN AND POWER TAKE-OFF ASSEMBLY FOR A THERMAL ENGINE INCLUDES SUPPORTING MEANS 3A FOR A FAN 19 AND 4B FOR A PTO 28 WHICH ARE ARRANGED LATCH BEYOND CRANKSHAFT 1 OF A THERMAL MOTOR WHO WEARS THEM.
Description
I L'invention concerne les moteurs thermiques et plus particulièrement lesI The invention relates to heat engines and more particularly to
moteurs diesels car ce sont ces derniers qui sont le plus sujet à des vibrations qui rendent difficile la mise en place de ventilateurset d'organes de prise de force. Dans la plupart des cas les ventilateurs de ces moteurs sont entraînés par des courroies passant sur des poulies montées en bout du vilebrequin. La puissance à transmettre au ventilateur étant importantele plus souvent plusieurs kilowatts, il est souvent nécessaire de prévoir deux poulies motrices pour les courroies et il n'est alors pas possible de prévoir une prise de force supplémentaire diesel engines because it is the latter which are the most subject to vibrations which make it difficult to fit fans and PTO members. In most cases, the fans of these engines are driven by belts passing over pulleys mounted at the end of the crankshaft. Since the power to be transmitted to the fan is often several kilowatts, it is often necessary to provide two drive pulleys for the belts and it is therefore not possible to provide an additional PTO
car les efforts de flexion appliqués au palier avant du- because the bending forces applied to the front bearing of the
vilebrequin seraient alors trop élevés compte tenu de la crankshaft would then be too high given the
tension qui doit être appliquée aux courroies. tension to be applied to the belts.
La présente invention résout complètement ce pro- The present invention completely solves this problem.
blème en créant un nouvel ensemble permettant à la fois l'entraînement de ventilateurs de forte puissance et celui problem by creating a new set allowing both the drive of high power fans and that
d'organes de prise de force pour l'entraînement d'acces- PTO for access drive-
soires divers tels que des pompes et compresseurs sans qu'il y ait de modifications à apporter à la structure du moteur. Conformément à l'invention, l'ensemble ventilateur et de prise de force pour moteur thermique est caractérisé en ce que tant les moyens de support du ventilateur que ceux d'un organe de prise de force sont portés rigidement various evenings such as pumps and compressors without any modifications to be made to the structure of the engine. In accordance with the invention, the fan and PTO assembly for a heat engine is characterized in that both the fan support means and those of a PTO member are rigidly carried
et en porte-à-faux par le vilebrequin du moteur. and cantilevered by the engine crankshaft.
Diverses autres caractéristiques de l'invention Various other features of the invention
ressortent d'ailleurs de la description détaillée qui suit. moreover emerge from the detailed description which follows.
Des formes de réalisation de l'objet de l'invention sont représentées, à titre d'exemples non limitatifs, au Embodiments of the subject of the invention are shown, by way of nonlimiting examples, in
dessin annexé.attached drawing.
La fig. 1 est une coupe-élévation d'un développement de l'invention dans lequel le groupe ventilateur et de prise Fig. 1 is a sectional elevation of a development of the invention in which the fan and outlet group
de force est combiné à un mécanisme d'embrayage. force is combined with a clutch mechanism.
La fig. 2 est une coupe-élévation en partie schéma- Fig. 2 is a sectional elevation partly diagrammatic
tique d'un mode de réalisation d'un groupe ventilateur et tick of an embodiment of a fan group and
de prise de force selon l'invention. PTO according to the invention.
La fig. 3 est une coupe-élévation analogue à la Fig. 3 is a sectional elevation similar to the
fig. 2 d'une variante.fig. 2 of a variant.
Dans le mode de réalisation représenté à la fig. 1, 1 désigne l'extrémité d'un vilebrequin d'un moteur diesel sur lequel est monté, par exemple par un plateau 2, un noyau 3 prolongé par un axe 4 s'étendant dans la m8me In the embodiment shown in FIG. 1, 1 designates the end of a crankshaft of a diesel engine on which is mounted, for example by a plate 2, a core 3 extended by an axis 4 extending in the same
direction axiale et par un disque 5 qui s'étend radiale- axial direction and by a disk 5 which extends radially-
ment entre lui et l'axe 4. A sa périphérie, le disque 5 est élargi pour former deux anneaux d'armature 5a, 5%. Le disque 5 supporte également des garnitures de friction 6 s'étendant à l'opposé des anneaux d'armature 5a, 5. Le noyau 3 sert de support à des paliers 7 sur lesquels est lying between it and the axis 4. At its periphery, the disc 5 is widened to form two reinforcing rings 5a, 5%. The disc 5 also supports friction linings 6 extending opposite the armature rings 5a, 5. The core 3 serves to support bearings 7 on which is
enfilée une douille 8 formée par la culasse 9 d'un électro- threaded a socket 8 formed by the cylinder head 9 of an electro-
aimant 10.magnet 10.
Comme l'illustre le dessin, la culasse de l'électro- As illustrated in the drawing, the cylinder head of the electro-
aimant 10 coopère avec des anneaux d'armature 5a, 5% du disque 5. La culasse 9 est reliée par une patte 11 et un goujon 12 au carter 13 du moteur ou à une autre partie magnet 10 cooperates with armature rings 5a, 5% of the disc 5. The cylinder head 9 is connected by a lug 11 and a stud 12 to the casing 13 of the engine or to another part
fixe de celui-ci.fixed of it.
S'axe 4, qui prolonge axialement le noyau 3, sup- Axis 4, which axially extends the core 3, sup-
porte des paliers 14 retenus par une rondelle de butée 15. door bearings 14 retained by a thrust washer 15.
Les paliers 14 supportent un moyeu 16 formant un flasque 17. Un anneau 18 est enfilé sur le moyeu 16 et retenu par The bearings 14 support a hub 16 forming a flange 17. A ring 18 is threaded on the hub 16 and retained by
un écrou 18a.a nut 18a.
Le flasque 17 et l'anneau 18 serrent entre eux le voile 19 d'un ventilateur 19a par l'intermédiaire d'anneaux The flange 17 and the ring 18 tighten between them the veil 19 of a fan 19a by means of rings
de friction élastique 20.elastic friction 20.
Des vis 21 vissées dans le flasque 17 servent a la fixation d'une extrémité de pattes élastiques 22 dont l'autre extrémité est fixée par d'autres vis ou goujons 23 à un plateau de friction 24 qui est disposé en regard Screws 21 screwed into the flange 17 serve for fixing one end of elastic tabs 22, the other end of which is fixed by other screws or studs 23 to a friction plate 24 which is arranged opposite
et à proximité de la garniture de friction 6 du disque 5. and near the friction lining 6 of the disc 5.
Une encoche ou rainure est avantageusement prévue dans le plateau 24 pour réunir ce plateau au disque 5, en cas de panne électrique, au moyen d'une patte 25 qui peut être coulissée par rapport à la périphérie du disque 5, A notch or groove is advantageously provided in the plate 24 to join this plate to the disk 5, in the event of an electrical failure, by means of a tab 25 which can be slid relative to the periphery of the disk 5,
en desserant une vis 26.by loosening a screw 26.
L'axe 4 présente, à son extrémité libre, des can- Axis 4 has, at its free end,
nelures 27 sur lesquelles est engagé un organe de prise de force 28, par exemple un pignon, qui est maintenu en place par une rondelle 29 fixée par une vis 30. L'organe de prise de force 28 peut être utilisé à des fins quelcon- ques, par exemple à l'entratnement d'un compresseur de grooves 27 on which is engaged a PTO member 28, for example a pinion, which is held in place by a washer 29 fixed by a screw 30. The PTO member 28 can be used for any purpose. ques, for example to drive a compressor
climatisation, d'une pompe ou autre objet et cela indépen- air conditioning, pump or other object and this independently
damment du fonctionnement du ventilateur, ce dernier demeurant indépendant. En effet, lorsque le vilebrequin 1 tourne sans que l'électroaimant 10 soit sous tension, particularly the operation of the fan, the latter remaining independent. Indeed, when the crankshaft 1 rotates without the electromagnet 10 being energized,
les différentes pièces se trouvent dans la position illus- the different parts are in the position illus-
trée au dessin, c'est-à-dire que la culasse 9 est immobile trée in the drawing, that is to say that the cylinder head 9 is stationary
tandis que le noyau 3, le disque 5 et les anneaux d'arma- while the core 3, the disc 5 and the rings of arma-
ture 5a, 5b sont entraînés en rotation à la même vitesse ture 5a, 5b are rotated at the same speed
que le vilebrequin.than the crankshaft.
Le mouvement du noyau 3 n'est pas-transmis au ven- The movement of the nucleus 3 is not transmitted to the
tilateur 19a étant donné que celui-ci est-relié à l'axe 4 par les paliers 14. Il s'ensuit que le ventilateur 20 tiler 19a since it is connected to the axis 4 by the bearings 14. It follows that the fan 20
est immobile ou entrainé par l'air ambiant. is immobile or entrained by the ambient air.
Lorsqu'il y a lieu de faire entraîner le ventilateur, When the fan should be driven,
l'électro-aimant 10 est alimenté pour créer un champ magné- the electromagnet 10 is energized to create a magnetic field
tique qui se ferme par la culasse 9, les anneaux d'arma- tick which closes with bolt 9, the rings of arma-
ture 5a, 5b et la partie du disque 5. Ce champ magnétique a pour effet d'attirer le plateau de friction 24 et de le plaquer contre la garniture de friction 6. Le déplacement axial du plateau de friction 24 est rendu possible par déformation élastique des pattes élastiques 22 qui servent alors à l'entra nement du moyeu 16 et, par conséquent, du ventilateur 19a par l'intermédiaire des anneaux élastiques ture 5a, 5b and the part of the disc 5. This magnetic field has the effect of attracting the friction plate 24 and pressing it against the friction lining 6. The axial displacement of the friction plate 24 is made possible by elastic deformation elastic lugs 22 which then serve to drive the hub 16 and, consequently, the fan 19a by means of the elastic rings
21 et du voile 19.21 and veil 19.
La fig. 2 illustre une variante très simplifiée de Fig. 2 illustrates a very simplified variant of
la réalisation de la fig. 1.the realization of fig. 1.
Suivant cette variante, le noyau 3a est réalisé par une pièce en tôle emboutie en forme de cloche qui est fixée au vilebrequin 1 par un anneau de centrage 2a. Le noyau 3a forme un épaulement 31 contre lequel est fixé un flasque 17. Le second flasque 18a de même que les anneaux According to this variant, the core 3a is produced by a stamped sheet metal part in the shape of a bell which is fixed to the crankshaft 1 by a centering ring 2a. The core 3a forms a shoulder 31 against which a flange 17 is fixed. The second flange 18a as well as the rings
élastiques 20g et le voile 19 du ventilateur 19â sont en- elastic 20g and the veil 19 of the fan 19â are in
filés sur une partie du noyau 3a qui forme un fourreau 32 et l'extrémité de cette partie est sertie sur le second spun on a part of the core 3a which forms a sheath 32 and the end of this part is crimped on the second
flasque 18a pour former une couronne de serrage 33. flange 18a to form a tightening ring 33.
Une douille 34 est insérée dans le fourreau 32 et forme un eanneau 35 dont un bord rentrant 35a est soudé au flasque 18a. Le bord libre de la douille 34 est par ailleurs fixé à l'épaulement 31, par exemple par une A sleeve 34 is inserted into the sheath 32 and forms a ring 35, a re-entrant edge 35a is welded to the flange 18a. The free edge of the sleeve 34 is also fixed to the shoulder 31, for example by a
soudure 36.solder 36.
La douille 34 sert, d'une part, à rigidifier le The sleeve 34 serves, on the one hand, to stiffen the
sertissage des flasques 17a, 18n etdeautre part, à sup- crimping of the flanges 17a, 18n and on the other hand,
porter un organe de prise de force 28e fixé par des bou- carry a 28th power take-off member fixed by bolts
lons 37.lons 37.
La fig. 3 illustre une variante permettant d'aseure une transmission de couple plus importante à l'organe de prise de force. Dans ce cas la piece 3a de centrage est remplacée par un plateau 2b duquel fait saillie un xo 4b sar les cannelures 27b duquel est monté l'organe de prise de force 28h. La fixation de l'organe de priôn de force est réalisée comme à la fig. 1 et une rondelle de butée 15b est interposée entre ledit organe de prise de Fig. 3 illustrates a variant allowing a higher transmission of torque to the PTO member. In this case the centering piece 3a is replaced by a plate 2b from which protrudes an xo 4b on the grooves 27b from which the PTO member 28h is mounted. The attachment of the force member is carried out as in FIG. 1 and a thrust washer 15b is interposed between said take-up member
force et la douille 34.force and socket 34.
L'invention n'est pas limitée aux exemples de éeali- The invention is not limited to examples of realities.
sation, représentés et décrits en détail, car diverses modifications peuvent y être apportées sans sortir de son sation, shown and described in detail, because various modifications can be made without departing from its
cadre.frame.
Claims (8)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8016812A FR2487912A1 (en) | 1980-07-30 | 1980-07-30 | FAN AND PTO ASSEMBLY FOR A THERMAL ENGINE |
NL8103386A NL8103386A (en) | 1980-07-30 | 1981-07-16 | FAN AND AUXILIARY GEAR OF A COMBUSTION ENGINE. |
DE19813128769 DE3128769A1 (en) | 1980-07-30 | 1981-07-21 | FAN AND POWER TRANSFER GROUP FOR THERMAL ENGINES |
GB8122381A GB2080880B (en) | 1980-07-30 | 1981-07-21 | A fan and power take off member assembly for a diesel engine |
ES504244A ES504244A0 (en) | 1980-07-30 | 1981-07-24 | PROCEDURE IN VENTILATION SYSTEMS AND POWER TAKING FOR THERMAL ENGINES. |
BR8104867A BR8104867A (en) | 1980-07-30 | 1981-07-28 | FAN AND POWER OUTLET SET FOR THERMAL ENGINE |
IT23223/81A IT1168007B (en) | 1980-07-30 | 1981-07-29 | FAN AND POWER TAKE-OFF ASSEMBLY FOR THERMAL MOTOR MOUNTED ON THE SHAFT OR ELBOW |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8016812A FR2487912A1 (en) | 1980-07-30 | 1980-07-30 | FAN AND PTO ASSEMBLY FOR A THERMAL ENGINE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2487912A1 true FR2487912A1 (en) | 1982-02-05 |
FR2487912B1 FR2487912B1 (en) | 1985-05-03 |
Family
ID=9244710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8016812A Granted FR2487912A1 (en) | 1980-07-30 | 1980-07-30 | FAN AND PTO ASSEMBLY FOR A THERMAL ENGINE |
Country Status (7)
Country | Link |
---|---|
BR (1) | BR8104867A (en) |
DE (1) | DE3128769A1 (en) |
ES (1) | ES504244A0 (en) |
FR (1) | FR2487912A1 (en) |
GB (1) | GB2080880B (en) |
IT (1) | IT1168007B (en) |
NL (1) | NL8103386A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4896757A (en) * | 1988-09-06 | 1990-01-30 | Facet Enterprises, Incorporated | Bolt on electromagnetic fan clutch |
US6935208B1 (en) | 2001-10-15 | 2005-08-30 | Stephen W. Cruthirds | Bottle opener resembling a diving lure |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE548989A (en) * | ||||
US2492029A (en) * | 1946-07-13 | 1949-12-20 | Schwitzer Cummins Company | Fan assembly |
FR1201385A (en) * | 1957-08-24 | 1959-12-30 | Porsche Kg | Air-cooled internal combustion engine with blower mounted on the crankshaft |
FR2314357A1 (en) * | 1975-06-12 | 1977-01-07 | Citroen Sa | Control arrangement. for cooling COMBUSTION ENGINES - using a fan driven via hydraulically operated spring actuated coupling |
FR2335697A1 (en) * | 1975-12-19 | 1977-07-15 | Citroen Sa | COOLING DEVICE FOR INTERNAL COMBUSTION ENGINES, ESPECIALLY OF MOTOR VEHICLES, INCLUDING A DECLUTABLE FAN, AND VEHICLE EQUIPPED WITH SUCH COOLING DEVICE |
FR2425541A1 (en) * | 1978-05-12 | 1979-12-07 | Chausson Usines Sa | Antivibration mounting for engine cooling fan - has rubber sleeve and rings on tube on end of crankshaft extension |
-
1980
- 1980-07-30 FR FR8016812A patent/FR2487912A1/en active Granted
-
1981
- 1981-07-16 NL NL8103386A patent/NL8103386A/en not_active Application Discontinuation
- 1981-07-21 GB GB8122381A patent/GB2080880B/en not_active Expired
- 1981-07-21 DE DE19813128769 patent/DE3128769A1/en not_active Withdrawn
- 1981-07-24 ES ES504244A patent/ES504244A0/en active Granted
- 1981-07-28 BR BR8104867A patent/BR8104867A/en unknown
- 1981-07-29 IT IT23223/81A patent/IT1168007B/en active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE548989A (en) * | ||||
US2492029A (en) * | 1946-07-13 | 1949-12-20 | Schwitzer Cummins Company | Fan assembly |
FR1201385A (en) * | 1957-08-24 | 1959-12-30 | Porsche Kg | Air-cooled internal combustion engine with blower mounted on the crankshaft |
FR2314357A1 (en) * | 1975-06-12 | 1977-01-07 | Citroen Sa | Control arrangement. for cooling COMBUSTION ENGINES - using a fan driven via hydraulically operated spring actuated coupling |
FR2335697A1 (en) * | 1975-12-19 | 1977-07-15 | Citroen Sa | COOLING DEVICE FOR INTERNAL COMBUSTION ENGINES, ESPECIALLY OF MOTOR VEHICLES, INCLUDING A DECLUTABLE FAN, AND VEHICLE EQUIPPED WITH SUCH COOLING DEVICE |
FR2425541A1 (en) * | 1978-05-12 | 1979-12-07 | Chausson Usines Sa | Antivibration mounting for engine cooling fan - has rubber sleeve and rings on tube on end of crankshaft extension |
Also Published As
Publication number | Publication date |
---|---|
ES8205291A1 (en) | 1982-06-16 |
DE3128769A1 (en) | 1982-06-24 |
IT1168007B (en) | 1987-05-20 |
BR8104867A (en) | 1982-04-13 |
FR2487912B1 (en) | 1985-05-03 |
ES504244A0 (en) | 1982-06-16 |
NL8103386A (en) | 1982-02-16 |
IT8123223A0 (en) | 1981-07-29 |
GB2080880A (en) | 1982-02-10 |
GB2080880B (en) | 1985-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |