WO2004088103A1 - Water pump for motorcycle engine - Google Patents
Water pump for motorcycle engine Download PDFInfo
- Publication number
- WO2004088103A1 WO2004088103A1 PCT/CN2004/000184 CN2004000184W WO2004088103A1 WO 2004088103 A1 WO2004088103 A1 WO 2004088103A1 CN 2004000184 W CN2004000184 W CN 2004000184W WO 2004088103 A1 WO2004088103 A1 WO 2004088103A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water pump
- water
- pump body
- seal
- fixed
- 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.)
- Ceased
Links
Classifications
-
- 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
-
- 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
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- 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
- F01P2050/00—Applications
- F01P2050/16—Motor-cycles
Definitions
- the present invention relates to a water pump, especially to a
- the main parts of the pump such as the water pump shaft, the
- the built-up water pump is compact in structure, but it is very
- the bearing are fixed in the inner hole of the water pump body, and
- the water passage is provided on the water pump body, while the
- water pump body is installed in the inner hole of the crankcase body
- the advantage of the unitary water pump is that: if any part of the unitary water pump is broken, the water pump
- the occupying space for the water pump is big.
- the objective of the present invention is to provide a water
- a water pump for motorcycle engine which comprises a
- annular groove is provided on the outside of the
- an impeller is fixed to the end of the oil seal and water seals
- the water pump body is mounted to the right
- crankcase cover by way of clearance fit, a radial hole is provided on
- the water pump body and is connected with a hole provided on the
- the bearing, the oil seal and the water seal are
- the water pump body The water pump body, the bearing and the oil and
- FIG 1 is the structure view of the water pump for motorcycle
- the present invention provides a water pump
- the water pump body 3 is mounted on the right crankcase cover 1 by way of clearance fit, a radial hole 16 is
- water inlet passage 2 is provided on the right crankcase cover 1 with
- the water pump body 3 is
- O-ring 8 seals the oil in the engine crankcase, while the O-ring 10 seals the water both in the water inlet passage 2 and the water outlet
- inlet passage 2 is provided on the right crankcase cover 1 rather than
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a water pump for motorcycle engine, which comprises a right crankcase cover, a water pump body, a water pump shaft, an oil seal, a water seal, an impeller and a water pump cover, wherein, the oil seal, the bearing and the water seal are fixed respectively in the axial round holes of different sections of the water pump body, the bearing and the water seal are provided on the two sides of the oil seal respectively, an O-ring is fixed in the annular groove provided on the outside of the water pump body, the water pump shaft is so mounted that it passes through the bearing, the oil seal and the water seal, the impeller is fixed to the end of the water pump shaft, the water pump body is mounted on the right crankcase cover by way of clearance fit, the radial hole on the water pump body is connected with the hole provided on the right crankcase cover, characterized in that: a water inlet passage is provided on the right crankcase cover with the water pump body fixed, and a water inlet passage is communicated with a water outlet passage provided on the water pump cover. The water pump according to the invention has small occupying space and is easy to be assembled and maintained.
Description
WATER PUMP FOR MOTORCYCLE ENGINE
FIELD OF THE INVENTION
The present invention relates to a water pump, especially to a
water pump for motorcycle engine.
BACKGROUND OF THE INVENTION
At present, the water pump for motorcycle engine drops into
two kinds: one is built-up in structure, and the other is unitary in
structure. For the foregoing built-up water pump, it is characterized
in that: the main parts of the pump, such as the water pump shaft, the
oil seal, the bearing, the water seal and etc., are fixed directly in the
inner hole of the crankcase body or the crankcase cover, while the
water passage is provided on the crankcase body or the crankcase
cover. The built-up water pump is compact in structure, but it is very
inconvenient in assembling, disassembling and changing parts. For
the foregoing unitary water pump, it is characterized in that: the
main parts, such as the water pump shaft, the oil and water seals and
the bearing, are fixed in the inner hole of the water pump body, and
the water passage is provided on the water pump body, while the
water pump body is installed in the inner hole of the crankcase body
or the crankcase cover. The advantage of the unitary water pump is
that: if any part of the unitary water pump is broken, the water pump
body with the oil and water seals, the bearing, and the pump shaft
fixed therein can be removed and replaced with a new water pump
body with the oil and water seals, the bearing, and the pump shaft
fixed therein, that is to say, it is an entirely replacement, so it is
convenient in assembling and maintaining of the water pump.
However, since the inlet water passage is provided in the water
pump body, the occupying space for the water pump is big.
SUMMARY OF THE INVENTION
The objective of the present invention is to provide a water
pump for motorcycle engine, which has a compact structure and is
easy to be assembled and maintained.
In order to realize the above objective, the present invention
provides a water pump for motorcycle engine, which comprises a
right crankcase cover, a water pump body, a water pump shaft,- an oil
seal, a water seal, an impeller and a water pump cover, wherein, the
oil seal, the water seal, and a bearing are fixed respectively in the
axial round holes of different sections of the water pump body, the
bearing and the water seal are located at the two sides of the oil seal
respectively, an annular groove is provided on the outside of the
water pump body, and an O-ring is fixed in the annular groove, a
water pump shaft is so mounted that it passes through the bearing,
the oil seal and water seals, an impeller is fixed to the end of the
water pump shaft, the water pump body is mounted to the right
crankcase cover by way of clearance fit, a radial hole is provided on
the water pump body and is connected with a hole provided on the
right crankcase cover, characterized in that: a water inlet passage is
provided on the right crankcase cover with the water pump body
fixed, and the water inlet passage is connected with a water outlet
passage provided on the water pump cover.
According to the water pump for motorcycle engine of the
present invention, the bearing, the oil seal and the water seal are
fixed respectively in the inner holes of different sections of the water
pump body. The water pump body, the bearing and the oil and
water seals are assembled in unity, which is mounted in the inner
hole of the right crankcase cover, so the water pump is easy to be
assembled, disassembled and maintained. The water inlet passage
is provided on the right crankcase cover rather than provided on the
water pump body, so the cubage of the water pump body is
decreased, resulting in the whole occupying space for the water
pump decreased. In a word, the water pump for motorcycle engine of
the present invention has the advantages of both the forgoing
built-up and unitary water pumps.
BRIEF DESCRIPTION OF DRAWINGS
To better understand the invention, an embodiment of the
present invention will be described in more detail with reference to
the drawing FIG.1.
FIG 1 is the structure view of the water pump for motorcycle
engine according to the present invention.
DETAILED DESCRIPTION OF INVENTION
The invention will be described in more detail by means of an
embodiment with reference to the drawing FIG.1.
As shown in FIG 1, the present invention provides a water pump
for motorcycle engine, which comprises a right crankcase cover 1, a
water pump body 3, a water pump shaft 7, an oil seal 9, a water seal
12, an impeller 13 and a water pump cover 14, wherein, an oil seal 9,
a water seal 12, and a bearing 7 are fixed respectively in the axial
round holes of different sections of the water pump body 3, the
bearing 7 and the water seal 12 are provided at the two sides of the
oil seal 9 respectively, an O-ring 8 is fixed in the annular groove
provided on the outside of the water pump body 3, a water pump
shaft 6 is so mounted that it passes through the bearing 7, the oil seal
9 and the water seal 12, an impeller 13 is fixed to the end of the
water pump shaft 6, the water pump body 3 is mounted on the right
crankcase cover 1 by way of clearance fit, a radial hole 16 is
provided on the water pump body 3 and connected with a hole 17
provided on the right crankcase cover 1, characterized in that: a
water inlet passage 2 is provided on the right crankcase cover 1 with
the water pump body 3 fixed, and a water inlet passage 2 is
connected with a water outlet passage 15 provided on the water
pump cover 14.
As shown in FIG.1, the space formed between the outside of the
water seal 12 and the water pump body 3 is communicated with both
the water inlet passage 2 and outlet passage 15. An O-ring 10 is
provided between the step-interfaces of the right crankcase cover 1
and the water pump body 3.
When the motorcycle engine of the present invention works, the
driven water pump gear 5 makes the water pump shaft 6 to turn, and
then the water pump shaft 6 drives the impeller 13 to turn, resulting
in water in the water inlet passage 2 taken to the water outlet passage
15 provided on the water pump cover 14, so the water is pumped.
According to the present invention, the water pump body 3 is
mounted in the inner hole of the right crankcase cover 1 by way of
clearance fit, the bearing 7, the oil seal 9 and the water seal 12 is
fixed in the inner holes of the water pump body 3 in tight fit, and the
O-ring 8 seals the oil in the engine crankcase, while the O-ring 10
seals the water both in the water inlet passage 2 and the water outlet
passage 15, if any part of the water pump broken, the water pump
body 3 with the oil seal 9, the bearing 7 and the water seal 12 fixed
therein can be removed and replaced with a new water pump body 3
with the oil seal 9, the bearing 7 and the water seal 12 fixed therein,
so the water pump is easy to be assembled and maintained; the water
inlet passage 2 is provided on the right crankcase cover 1 rather than
on the water pump body 3, the space for installing the water pump is
decreased, so the water pump contains all the advantages of both the
foregoing built-up and unitary water pumps.
Claims
1. A water pump for motorcycle engine, comprising a right
crankcase cover (1), a water pump body (3), a water pump shaft (7),
an oil seal (9), a water seal (12), an impeller (13) and a water pump
cover (14), wherein, an oil seal (9), a water seal (12), and a bearing
(7) are fixed respectively in the axial round holes of different
sections of the water pump body (3), the bearing (7) and the water
seal (12) are provided at the two sides of the oil seal (9) respectively,
an O-ring (8) is fixed in the annular groove provided on the outside
of the water pump body (3), a water pump shaft (6) is so mounted
that it passes through the bearing (7), the oil seal (9) and the water
seal (12), an impeller (13) is fixed to the end of the water pump shaft
(6), the water pump body (3) is mounted on the right crankcase
cover (1) by way of clearance fit, a radial hole (16) is provided on
the water pump body (3) and connected with a hole (17) provided on
the right crankcase cover (1), characterized in that: a water inlet
passage (2) is provided on the right crankcase cover (1) with the
water pump body (3) fixed, and a water inlet passage (2) is
connected with a water outlet passage (15) provided on the water
pump cover (14).
2. The water pump for motorcycle engine according to claim 1,
characterized in that: the space formed between the outside of the water seal (12) and the water pump body (3) is communicated with
the water inlet passage (2) and the water outlet passage (15).
3. The water pump for motorcycle engine according to claim 1,
characterized in that: an O-ring (10) is provided on the step-
interfaces of the right crankcase cover (1) and the water pump body
(3).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03233466.4 | 2003-03-07 | ||
| CN03233466 | 2003-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004088103A1 true WO2004088103A1 (en) | 2004-10-14 |
Family
ID=33102901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2004/000184 Ceased WO2004088103A1 (en) | 2003-03-07 | 2004-03-08 | Water pump for motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2004088103A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278187A (en) * | 2011-07-21 | 2011-12-14 | 力帆实业(集团)股份有限公司 | Water-cooled motorcycle water pump mounting structure |
| DE102013219413B4 (en) * | 2012-10-09 | 2014-12-18 | GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) | COOLING PUMP FOR A COOLING SYSTEM |
| CN107191267A (en) * | 2017-07-13 | 2017-09-22 | 广西玉柴机器股份有限公司 | Gear chamber |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2205611A (en) * | 1987-06-09 | 1988-12-14 | Austin Rover Group | A pump assembly |
| JPH07224656A (en) * | 1994-02-07 | 1995-08-22 | Suzuki Motor Corp | Water pump of water-cooled engine |
| JPH08135444A (en) * | 1994-11-04 | 1996-05-28 | Suzuki Motor Corp | Water pump for water-cooled engine |
| US5899662A (en) * | 1996-06-28 | 1999-05-04 | Honda Giken Kogyo Kabushiki Kaisha | Flow path structure in water pump |
| CN2463219Y (en) * | 2001-02-06 | 2001-12-05 | 重庆力帆轰达实业(集团)有限公司 | Water-cooled engine |
| CN2527719Y (en) * | 2002-02-09 | 2002-12-25 | 重庆力帆实业（集团）有限公司 | Water cooling device for horizontal engine |
-
2004
- 2004-03-08 WO PCT/CN2004/000184 patent/WO2004088103A1/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2205611A (en) * | 1987-06-09 | 1988-12-14 | Austin Rover Group | A pump assembly |
| JPH07224656A (en) * | 1994-02-07 | 1995-08-22 | Suzuki Motor Corp | Water pump of water-cooled engine |
| JPH08135444A (en) * | 1994-11-04 | 1996-05-28 | Suzuki Motor Corp | Water pump for water-cooled engine |
| US5899662A (en) * | 1996-06-28 | 1999-05-04 | Honda Giken Kogyo Kabushiki Kaisha | Flow path structure in water pump |
| CN2463219Y (en) * | 2001-02-06 | 2001-12-05 | 重庆力帆轰达实业(集团)有限公司 | Water-cooled engine |
| CN2527719Y (en) * | 2002-02-09 | 2002-12-25 | 重庆力帆实业（集团）有限公司 | Water cooling device for horizontal engine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278187A (en) * | 2011-07-21 | 2011-12-14 | 力帆实业(集团)股份有限公司 | Water-cooled motorcycle water pump mounting structure |
| DE102013219413B4 (en) * | 2012-10-09 | 2014-12-18 | GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) | COOLING PUMP FOR A COOLING SYSTEM |
| US9103351B2 (en) | 2012-10-09 | 2015-08-11 | GM Global Technology Operations LLC | Cooling pump for a cooling system |
| CN107191267A (en) * | 2017-07-13 | 2017-09-22 | 广西玉柴机器股份有限公司 | Gear chamber |
| CN107191267B (en) * | 2017-07-13 | 2023-05-26 | 广西玉柴机器股份有限公司 | Gear chamber |
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| DPEN | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101) | ||
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| 122 | Ep: pct application non-entry in european phase |