CA1337210C - Bearing housing - Google Patents
Bearing housingInfo
- Publication number
- CA1337210C CA1337210C CA000615019A CA615019A CA1337210C CA 1337210 C CA1337210 C CA 1337210C CA 000615019 A CA000615019 A CA 000615019A CA 615019 A CA615019 A CA 615019A CA 1337210 C CA1337210 C CA 1337210C
- Authority
- CA
- Canada
- Prior art keywords
- bearing
- bearing housing
- cylinder
- housing
- ribs
- 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 - Fee Related
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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sliding-Contact Bearings (AREA)
- Support Of The Bearing (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
Disclosed is a bearing housing for fluid pumps, such as cooling water pumps in vehicle engines or the like.
The bearing housing is provided with axial ribs, which start from the bearing cylinder and end in a flange area with peripheral flange collar, in order to transfer the torques acting on the bearing through positive and negative forces to the flange area and its surrounding flange collar, which in turn transfers the forces acting as traction and pressure to the flange lugs, which serve as a fastening for the bearing housing, whereby the rigidity of the shaped part can be determined in advance through the height, shape and thickness of the bearing cylinder, the flange collar and the ribs as well as the arrangement of the stays.
The bearing housing is provided with axial ribs, which start from the bearing cylinder and end in a flange area with peripheral flange collar, in order to transfer the torques acting on the bearing through positive and negative forces to the flange area and its surrounding flange collar, which in turn transfers the forces acting as traction and pressure to the flange lugs, which serve as a fastening for the bearing housing, whereby the rigidity of the shaped part can be determined in advance through the height, shape and thickness of the bearing cylinder, the flange collar and the ribs as well as the arrangement of the stays.
Description
The present invention relates to a bearing housing for fluid pumps, such as cooling water pumps in vehicle engines or the like, which is connected to the engine block or other component and has a receptacle for a sealing agent at the end of the bearing cylinder in front of the pump's conveying chamber.
Such bearing housings are known and became known, for example, from the US/PS 3723039 and 3778181. The US/PS
1649329 also shows a bearing housing for water pumps in combustion engines. These bearing housings are constructed of metallic materials. In the course of weight saving and for corrosion reasons, the demand for plastic parts in vehicle construction is continually increasing. It is here that the invention is planned to bring some relief.
The invention, as characterized in the claims, solves the problem of producing a plastic bearing housing with replaceable bearing and sealing magazine which can stand up to mechanical, thermal, corrosion and hydrolysis loads and which displays an adequate service life.
The main advantage of the invention is that the torques applied to the bearing cylinder through the bearing by the positive and negative forces are transferred from the bearing cylinder through ribs to a flanged collar located in the flange area, whereby this flanged collar transfers the static and dynamic traction-pressure forces to the flange lugs which serve as a fastening. By varying the height, shape and thickness of the flanged collar, the bearing cylinder and the ribs as well as the arrangement of the stays, the rigidity can be determined in advance in relation to force peaks and vibrations or acceleration powers. A further advantage of the bearing housing constructed in accordance with the invention is that the leakage water is drawn off via a drain channel and evaporation chamber. Yet another advantage is that the cavitation behaviour of plastics compared to metallic materials is better. Furthermore, an axial securing is C ~
~ r provided for the bearing cylinder. This means that the bearing is also used as a joint carrying element inasmuch as it absorbs the static forces, such as the lateral forces, together with the bearing cylinder. One design variant has the bearing housing connected to the bearing housing by means of a stay, which can be designed in either an annular, inclined or conical shape.
With an inclined and/or conical shape of the stay the flow behaviour of the fluid can also be influenced. A
further advantage is that the whole aggregate can still be completely dismantled. Another advantage is that the compensation for the different thermal expansions of the sealing element and plastic housing in the area of the sealing element's seat is carried out by an O-ring and thus it is no longer necessary to use the customary seal varnish, which also increases the safety.
Accordingly, the present invention provides a bearing housing for a fluid pump, said bearing housing being formed of plastic and being adapted to attach to an engine block or the like, and comprising: a bearing cylinder adapted to be positioned in front of the conveying chamber of a fluid pump, a sealing agent receptacle located at one end of said bearing cylinder, and axial ribs provided on the outside surface of said bearing cylinder and extending to a generally annular flange collar which encircles said bearing cylinder.
The embodiments of the invention will now be described by way of example with reference to the accompanying drawings, in which:
Figure 1 is a cross-sectional elevation view of one embodiment of the bearing housing;
Figure 2 is a top plan view of this embodiment;
Figure 3 is a cross-sectional elevation view of a further embodiment;
Figure 4 is a cross-sectional elevation view of a further embodiment;
Figure 5 is a top plan view of a further embodiment; and Figure 6 is a top plan view of a further embodiment.
The illustrations show a bearing housing for fluid pumps and corresponding active equipment which in its fundamental construction consists of a housing with the actual flanged collar 1 above a shoulder la, under which there is a groove lb to receive a sealing agent, and whose lower part is confined by a projection lc against the housing part ld. The bearing cylinder 2 is connected to the bottom housing part ld, whose end part is shown as le and which serves to support the bearing cylinder, by means of a connecting ring 3.
A number of flange lugs 4a which are distributed around the circumference of the flanged collar 1 serve to fasten the bearing housing, for example to the engine block, though this is not shown in the illustrations. The flange lugs 4b which are provided with a thread serve for a quick and easy dismantling of the bearing housing. The part marked 5 is a stop for the bearing and a sealing magazine inserted below this. Excess fluid, lubricant etc.
is fed into the evaporation chamber 6a by means of the drain channel 6c. This evaporation chamber 6a can either be an integrated part of the bearing housing or be inserted therein as a separate component. The evaporation chamber 6a is on the one hand formed by the outer casing of the bearing cylinder 2, if it is integrated in the bearing housing, and on the other hand by a wall 6b. The bearing cylinder 2 has in its top part an undercut 2c in which an axial securing element K, for example a snap ring or the like, can be inserted. The bearing cylinder 2 is surrounded by a number of axial ribs 7 which issue forth from the cylinder radially, and which arise from the connecting ring 3, and extend to the flanged collar 1 and the flange lugs 4a and 4b. In the case of an integrated G
design the ribs 7 at the same time constitute the side wall of the evaporation chamber 6a. The ribs 7 can either be connected to the flange lugs 4a and 4b or directly to the flanged collar 1. The ribs 7 themselves are designed conically, starting from the end of the flanged collar 1 and rising to the end of the bearing cylinder 2. These ribs 7 can either stop at the end of the bearing cylinder 2, or shortly beforehand. Between the ribs 7 is an axial supporting ring 8.
Figure 3 shows a design variant of Figure 1 with a conically-shaped connecting stay 11, which can also be asymmetrically shaped, in order to improve the flow of the fluid. The pivot 12 of the bearing cylinder 10 has been moved to its front end which produces a greater stabilization in the sealing element area. The ribs 15 (15a, 15b) are similarly distributed around the circumference of the bearing cylinder 10. They are on the one hand connected to the outer circumference of the bearing cylinder 10, and on the other hand with the cone 11 and the flanged collar 13, whereas the remaining ribs remain without limitation. 14 shows an opening for the fluid F in the bottom part 9. The fluid flowing through this opening 14 into the housing 9 hereby encounters the conically-shaped outer wall of the connecting stay 11 and is drawn through the running wheel (not shown here) in a manner which is favourable for the flow of the fluid.
Figure 4 shows a further design variant of Figures 1 and 3. The bearing cylinder 17 is concentrically surrounded by a further cylinder 20. The ribs 21 are arranged radially, for example, between the two cylinders 17 and 20. Ribs are also provided between the outer cylinder 20 and the flanged ring 23. The ribs 21 extend to the connecting stay 19, which can, for example, also be of a conical, bevelled etc., design.
The evaporation chamber 6a with its drain channel 6c (both not shown here) is provided between two ribs 21 between the two cylinders 17 and 20.
Figure 5 is a top view and clearly shows the arrangement of the ribs 7 which, as for example is the case with ribs 24 and 25 as well as 26 and 27, can also run non-radially between the bearing cylinder 2, 10 or 17.
Arrangements as shown in Figure 6 are also possible. Here the ribs 30 and 31 with the ribs 29 and 32 are arranged in the direction of the middle of the axis.
The ribs 34, 35 end in ribs 33, 36 and the flange lugs 4a run indirectly over these ribs 33, 36 and the bearing cylinder. These rib arrangements and the rib arrangement according to Figure 5 can also be combined as required.
The rib arrangements shown as examples in the illustrations and the connecting stays 3 and 1 can also be combined with one another. Furthermore, that part of the bearing housing which contains the bearing cylinder(s) 2, 10 or 17 can also be used without the actual bottom part(s) ld, 9 or 16. The guide ring L of the running wheel can also be a part of the bottom section (ld) of the housing in this area.
Such bearing housings are known and became known, for example, from the US/PS 3723039 and 3778181. The US/PS
1649329 also shows a bearing housing for water pumps in combustion engines. These bearing housings are constructed of metallic materials. In the course of weight saving and for corrosion reasons, the demand for plastic parts in vehicle construction is continually increasing. It is here that the invention is planned to bring some relief.
The invention, as characterized in the claims, solves the problem of producing a plastic bearing housing with replaceable bearing and sealing magazine which can stand up to mechanical, thermal, corrosion and hydrolysis loads and which displays an adequate service life.
The main advantage of the invention is that the torques applied to the bearing cylinder through the bearing by the positive and negative forces are transferred from the bearing cylinder through ribs to a flanged collar located in the flange area, whereby this flanged collar transfers the static and dynamic traction-pressure forces to the flange lugs which serve as a fastening. By varying the height, shape and thickness of the flanged collar, the bearing cylinder and the ribs as well as the arrangement of the stays, the rigidity can be determined in advance in relation to force peaks and vibrations or acceleration powers. A further advantage of the bearing housing constructed in accordance with the invention is that the leakage water is drawn off via a drain channel and evaporation chamber. Yet another advantage is that the cavitation behaviour of plastics compared to metallic materials is better. Furthermore, an axial securing is C ~
~ r provided for the bearing cylinder. This means that the bearing is also used as a joint carrying element inasmuch as it absorbs the static forces, such as the lateral forces, together with the bearing cylinder. One design variant has the bearing housing connected to the bearing housing by means of a stay, which can be designed in either an annular, inclined or conical shape.
With an inclined and/or conical shape of the stay the flow behaviour of the fluid can also be influenced. A
further advantage is that the whole aggregate can still be completely dismantled. Another advantage is that the compensation for the different thermal expansions of the sealing element and plastic housing in the area of the sealing element's seat is carried out by an O-ring and thus it is no longer necessary to use the customary seal varnish, which also increases the safety.
Accordingly, the present invention provides a bearing housing for a fluid pump, said bearing housing being formed of plastic and being adapted to attach to an engine block or the like, and comprising: a bearing cylinder adapted to be positioned in front of the conveying chamber of a fluid pump, a sealing agent receptacle located at one end of said bearing cylinder, and axial ribs provided on the outside surface of said bearing cylinder and extending to a generally annular flange collar which encircles said bearing cylinder.
The embodiments of the invention will now be described by way of example with reference to the accompanying drawings, in which:
Figure 1 is a cross-sectional elevation view of one embodiment of the bearing housing;
Figure 2 is a top plan view of this embodiment;
Figure 3 is a cross-sectional elevation view of a further embodiment;
Figure 4 is a cross-sectional elevation view of a further embodiment;
Figure 5 is a top plan view of a further embodiment; and Figure 6 is a top plan view of a further embodiment.
The illustrations show a bearing housing for fluid pumps and corresponding active equipment which in its fundamental construction consists of a housing with the actual flanged collar 1 above a shoulder la, under which there is a groove lb to receive a sealing agent, and whose lower part is confined by a projection lc against the housing part ld. The bearing cylinder 2 is connected to the bottom housing part ld, whose end part is shown as le and which serves to support the bearing cylinder, by means of a connecting ring 3.
A number of flange lugs 4a which are distributed around the circumference of the flanged collar 1 serve to fasten the bearing housing, for example to the engine block, though this is not shown in the illustrations. The flange lugs 4b which are provided with a thread serve for a quick and easy dismantling of the bearing housing. The part marked 5 is a stop for the bearing and a sealing magazine inserted below this. Excess fluid, lubricant etc.
is fed into the evaporation chamber 6a by means of the drain channel 6c. This evaporation chamber 6a can either be an integrated part of the bearing housing or be inserted therein as a separate component. The evaporation chamber 6a is on the one hand formed by the outer casing of the bearing cylinder 2, if it is integrated in the bearing housing, and on the other hand by a wall 6b. The bearing cylinder 2 has in its top part an undercut 2c in which an axial securing element K, for example a snap ring or the like, can be inserted. The bearing cylinder 2 is surrounded by a number of axial ribs 7 which issue forth from the cylinder radially, and which arise from the connecting ring 3, and extend to the flanged collar 1 and the flange lugs 4a and 4b. In the case of an integrated G
design the ribs 7 at the same time constitute the side wall of the evaporation chamber 6a. The ribs 7 can either be connected to the flange lugs 4a and 4b or directly to the flanged collar 1. The ribs 7 themselves are designed conically, starting from the end of the flanged collar 1 and rising to the end of the bearing cylinder 2. These ribs 7 can either stop at the end of the bearing cylinder 2, or shortly beforehand. Between the ribs 7 is an axial supporting ring 8.
Figure 3 shows a design variant of Figure 1 with a conically-shaped connecting stay 11, which can also be asymmetrically shaped, in order to improve the flow of the fluid. The pivot 12 of the bearing cylinder 10 has been moved to its front end which produces a greater stabilization in the sealing element area. The ribs 15 (15a, 15b) are similarly distributed around the circumference of the bearing cylinder 10. They are on the one hand connected to the outer circumference of the bearing cylinder 10, and on the other hand with the cone 11 and the flanged collar 13, whereas the remaining ribs remain without limitation. 14 shows an opening for the fluid F in the bottom part 9. The fluid flowing through this opening 14 into the housing 9 hereby encounters the conically-shaped outer wall of the connecting stay 11 and is drawn through the running wheel (not shown here) in a manner which is favourable for the flow of the fluid.
Figure 4 shows a further design variant of Figures 1 and 3. The bearing cylinder 17 is concentrically surrounded by a further cylinder 20. The ribs 21 are arranged radially, for example, between the two cylinders 17 and 20. Ribs are also provided between the outer cylinder 20 and the flanged ring 23. The ribs 21 extend to the connecting stay 19, which can, for example, also be of a conical, bevelled etc., design.
The evaporation chamber 6a with its drain channel 6c (both not shown here) is provided between two ribs 21 between the two cylinders 17 and 20.
Figure 5 is a top view and clearly shows the arrangement of the ribs 7 which, as for example is the case with ribs 24 and 25 as well as 26 and 27, can also run non-radially between the bearing cylinder 2, 10 or 17.
Arrangements as shown in Figure 6 are also possible. Here the ribs 30 and 31 with the ribs 29 and 32 are arranged in the direction of the middle of the axis.
The ribs 34, 35 end in ribs 33, 36 and the flange lugs 4a run indirectly over these ribs 33, 36 and the bearing cylinder. These rib arrangements and the rib arrangement according to Figure 5 can also be combined as required.
The rib arrangements shown as examples in the illustrations and the connecting stays 3 and 1 can also be combined with one another. Furthermore, that part of the bearing housing which contains the bearing cylinder(s) 2, 10 or 17 can also be used without the actual bottom part(s) ld, 9 or 16. The guide ring L of the running wheel can also be a part of the bottom section (ld) of the housing in this area.
Claims (25)
1. A bearing housing for a fluid pump, said bearing housing being formed of plastic and being adapted for attachment to an engine block, and comprising:
a bearing cylinder adapted to be positioned in front of a conveying chamber of a fluid pump, a sealing agent receptacle located at one end of said bearing cylinder, and axial ribs provided on the outside surface of said bearing cylinder and extending to a generally annular flange collar which encircles said bearing cylinder.
a bearing cylinder adapted to be positioned in front of a conveying chamber of a fluid pump, a sealing agent receptacle located at one end of said bearing cylinder, and axial ribs provided on the outside surface of said bearing cylinder and extending to a generally annular flange collar which encircles said bearing cylinder.
2. A bearing housing as defined in claim 1, wherein said bearing cylinder is connected to said flange collar by means of a connecting stay and wherein said bearing cylinder is further supported by radial, outwardly pointing ribs which begin at said connecting stay and continue along said bearing cylinder to beyond said flange collar.
3. A bearing housing as defined in claim 1, wherein a leakage water collector is connected to the inside of said bearing cylinder by means of a drain channel.
4. A bearing housing as defined in claim 3, wherein said leakage water collector is a chamber which is an integral part of said bearing housing.
5. A bearing housing as defined in claim 3, wherein said leakage water collector is a separate component capable of insertion into said bearing housing.
6. A bearing housing as defined in claim 3, wherein said drain channel opens into the bottom of said leakage water collector.
7. A bearing housing as defined in claim 3, comprising a bearing stop located on the inside of said bearing cylinder, a first side of said bearing stop being adapted to contact a bearing and a second side of said bearing stop being adapted to contact a sealing magazine, wherein said drain channel enters the inside of said bearing housing near said first side of said bearing stop.
8. A bearing housing as defined in any one of claims 2 to 7, comprising a reinforcing cylinder adapted to surround said bearing cylinder, and radial connecting ribs adapted to connect said bearing cylinder, said reinforcing cylinder and said connecting stay.
9. A bearing housing as defined in claim 1, wherein said flange collar has a plurality of flange lugs disposed therein.
10. A bearing housing as defined in claim 1, wherein said axial ribs are generally conical.
11. A bearing housing as defined in claim 1, wherein an annular groove is provided below said flange collar.
12. A bearing housing as defined in claim 3, wherein said leakage water collector is positioned between at least two of said axial ribs.
13. A bearing housing as defined in claim 1, comprising an overflow.
14. A bearing housing as defined in claim 1, wherein said bearing cylinder comprises an undercut adapted securely to receive an axial securing element.
15. A bearing housing as defined in claim 14, wherein said undercut is adapted to receive an axial securing element comprising a claw and a locking ring.
16. A bearing housing as defined in claim 9, wherein said flange lugs are connected both to said axial ribs and to said bearing cylinder.
17. A bearing housing as defined in claim 11, comprising a first sealing element positioned within said bearing cylinder and an elastic second sealing element positioned within said annular groove, both said sealing elements being adapted to receive within said bearing cylinder a rotating shaft.
18. A bearing housing as defined in claim 7, wherein said bearing stop comprises a peripheral groove adapted to collect impurities from the area around said first side of said bearing stop.
19. A bearing housing as defined in claim 7, wherein said bearing stop comprises a plurality of knobs and said sealing magazine comprises a plurality of spacers.
20. A bearing housing as defined in claim 1, wherein said axial ribs run parallel to the axis of said bearing cylinder.
21. A bearing housing as defined in claim 9, comprising a plurality of non-axial ribs, each of which run from one of said flange lugs to one of said axial ribs.
22. A bearing housing as defined in claim 2, wherein said connecting stay is positioned at an acute angle to the axis of said bearing cylinder.
23. A bearing housing as defined in claim 2, wherein said connecting stay is of a conical shape.
24. A bearing housing as defined in claim 1, said housing being adapted to receive at one end a running wheel guide ring.
25. A bearing housing as defined in claim 11, comprising an elastic ring adapted to fit within said annular groove such that said elastic ring is under tension.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3833331.7 | 1988-09-30 | ||
| DE3833331A DE3833331A1 (en) | 1988-09-30 | 1988-09-30 | WAREHOUSE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1337210C true CA1337210C (en) | 1995-10-03 |
Family
ID=6364119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000615019A Expired - Fee Related CA1337210C (en) | 1988-09-30 | 1989-09-29 | Bearing housing |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0361528B1 (en) |
| JP (1) | JPH02199216A (en) |
| AT (1) | ATE138162T1 (en) |
| CA (1) | CA1337210C (en) |
| DE (2) | DE3833331A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4423588C1 (en) * | 1994-07-06 | 1995-07-20 | Daimler Benz Ag | Method of producing axial bearing housing for vehicle coolant pump |
| AT409530B (en) * | 1999-04-29 | 2002-09-25 | Tcg Unitech Ag | COOLING WATER PUMP FOR AN INTERNAL COMBUSTION ENGINE |
| JP5477585B2 (en) * | 2010-04-16 | 2014-04-23 | スズキ株式会社 | Engine water pump equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1258074A (en) * | 1968-03-18 | 1971-12-22 | ||
| DE2109341A1 (en) * | 1970-03-17 | 1971-11-04 | Standard Magnet Ag | Cooling water pump for automobiles |
| US3778181A (en) * | 1971-03-24 | 1973-12-11 | Gorman Rupp Co | Centrifugal pump |
| DE2330671A1 (en) * | 1973-06-16 | 1975-01-02 | Luk Lamellen & Kupplungsbau | I.C. engine cooling water pump - with plastics coated impeller shaft flushed by cooling water |
| DE2846950C2 (en) * | 1978-10-27 | 1980-01-24 | Bayerische Motoren Werke Ag, 8000 Muenchen | Coolant pump for liquid-cooled internal combustion engines |
| DE8133158U1 (en) * | 1980-11-28 | 1982-05-06 | RIV-SKF Officine di Villar Perosa S.p.A., 10123 Torino | "INTEGRAL PUMP UNIT FOR CENTRIFUGAL PUMPS" |
| JPH027278Y2 (en) * | 1984-09-10 | 1990-02-21 |
-
1988
- 1988-09-30 DE DE3833331A patent/DE3833331A1/en not_active Ceased
-
1989
- 1989-09-28 JP JP1250792A patent/JPH02199216A/en active Pending
- 1989-09-29 CA CA000615019A patent/CA1337210C/en not_active Expired - Fee Related
- 1989-09-30 DE DE58909679T patent/DE58909679D1/en not_active Expired - Fee Related
- 1989-09-30 EP EP89118194A patent/EP0361528B1/en not_active Expired - Lifetime
- 1989-09-30 AT AT89118194T patent/ATE138162T1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE58909679D1 (en) | 1996-06-20 |
| EP0361528B1 (en) | 1996-05-15 |
| JPH02199216A (en) | 1990-08-07 |
| EP0361528A3 (en) | 1990-08-08 |
| DE3833331A1 (en) | 1990-04-05 |
| ATE138162T1 (en) | 1996-06-15 |
| EP0361528A2 (en) | 1990-04-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0747599B1 (en) | Pump casing made of sheet metal | |
| US6048455A (en) | Filter assembly with conformal cartridge support structure | |
| US5735676A (en) | Method and device for the autolubrication of the rolling bearings of turbomachines | |
| US6096208A (en) | Seal arrangement for spin-on filters | |
| SU1102490A3 (en) | Piston for reciprocating machine,preferably for internal combustion engine | |
| CA2113878C (en) | Shaft seal and bore assembly | |
| EP0368558B1 (en) | Hydrodynamic pivoted pad bearing assembly for a reactor coolant pump | |
| EP0886087B1 (en) | Improved radial lip shaft seal | |
| CA1337210C (en) | Bearing housing | |
| US4955786A (en) | Drive device for pumps | |
| CN1118635C (en) | Equipment for pumping fuel from a storage tank to the internal-combustion engine of a motor vehicle | |
| KR19990028425A (en) | Packing of transmission cylinder | |
| CN201031716Y (en) | Engine oil centrifugal filtration device of motorcycle engine | |
| CN209959475U (en) | All-plastic corrosion-resistant long-life vertical submerged pump | |
| JPS5920572A (en) | Water lubricated bearing for hydraulic turbine | |
| CN212272340U (en) | External oil pump with idle gear | |
| US20200362835A1 (en) | Bearing arrangement for a wind turbine and wind turbine | |
| MXPA05003819A (en) | Cylinder liner. | |
| KR920009632B1 (en) | Pluid whirling apparatus | |
| CN2251059Y (en) | Concentrated sulfuric acid cantilever pump | |
| CN217440351U (en) | High-pressure descaling water pump for sealing box body | |
| JPH0248668Y2 (en) | ||
| CN220365761U (en) | Impeller locking structure of centrifugal slurry pump | |
| CN213561945U (en) | Grinding wheel mounting and reinforcing matching part | |
| CN213205787U (en) | Quick oil change protection device without dismounting engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |