JPH03115794A - Rotor for pump - Google Patents
Rotor for pumpInfo
- Publication number
- JPH03115794A JPH03115794A JP25129489A JP25129489A JPH03115794A JP H03115794 A JPH03115794 A JP H03115794A JP 25129489 A JP25129489 A JP 25129489A JP 25129489 A JP25129489 A JP 25129489A JP H03115794 A JPH03115794 A JP H03115794A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- rotor
- pump
- filler
- phenol
- 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
- 239000011347 resin Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims abstract description 8
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- 239000005011 phenolic resin Substances 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims abstract 4
- 238000002156 mixing Methods 0.000 claims abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000000452 restraining effect Effects 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、自動車用燃料ポンプ等に適した樹脂製のポン
プ用ロータに関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a resin pump rotor suitable for automobile fuel pumps and the like.
従来の技術
自動車部品の高性能化、小型化、軽量化、低コスト化の
流れの中で、電動式燃料ポンプにおいても、そのロータ
の樹脂化が求められている。BACKGROUND OF THE INVENTION With the trend toward higher performance, smaller size, lighter weight, and lower cost of automobile parts, electric fuel pumps are also required to have rotors made of resin.
ポンプ用ロータは、第１図に示すように、周縁に凹凸を
繰り返し形成して、羽根車としたものである。このロー
タをハウジングに収納したとき、ロータの周面とハウジ
ングの内面とのクリアランスを極力小さく維持すること
が、ポンプの吐出性能を確保する上で重要である。その
ため、ロータにはμｍオーダーの高寸法精度が要求され
る。As shown in FIG. 1, the pump rotor has irregularities repeatedly formed on its periphery to form an impeller. When this rotor is housed in a housing, it is important to maintain the clearance between the circumferential surface of the rotor and the inner surface of the housing as small as possible in order to ensure the discharge performance of the pump. Therefore, the rotor is required to have high dimensional accuracy on the order of μm.
従来、ロータの樹脂化については、比較的寸法精度の良
好なガラス繊維充填フェノール樹脂の成形品が検討され
ている。Conventionally, regarding the use of resin for rotors, molded products made of glass fiber-filled phenolic resin, which have relatively good dimensional accuracy, have been considered.
発明が解決しようとする課題
しかし、上記ガラス繊維充填フェノール樹脂製のロータ
は、吸湿による寸法変化が大きく、膨潤する。従って、
ロータ周面とハウジング内面とのクリアランスが大きく
ないと、膨潤によってロータ周面がハウジング内面に接
触してしまい、ポンプが停止する惧れがある。Problems to be Solved by the Invention However, the rotor made of glass fiber-filled phenolic resin undergoes large dimensional changes due to moisture absorption and swells. Therefore,
If the clearance between the rotor circumferential surface and the housing inner surface is not large enough, the rotor circumferential surface may come into contact with the housing inner surface due to swelling, which may cause the pump to stop.
本発明の課題は、吸湿による寸法変化の小さいかつ機械
的強度の大きい樹脂製のポンプ用ロータを提出すること
である。An object of the present invention is to provide a pump rotor made of resin that exhibits small dimensional changes due to moisture absorption and high mechanical strength.
課題を解決するための手段 合して成形した点に特徴を有する。Means to solve problems It is characterized by being molded together.
作用
フェノールアラルキル樹脂は、通常、耐熱性の向上を目
的として用いられるものである。本発明者等は、前記樹
脂が吸湿の抑制に効果があるとの新しい知見に基づき、
これをポンプ用ロータの樹脂化に適用して、寸法変化の
小さい樹脂製ロータを可能にしたものである。Functional phenolic aralkyl resins are usually used for the purpose of improving heat resistance. Based on the new knowledge that the resin is effective in suppressing moisture absorption, the present inventors
By applying this to resin for pump rotors, it has become possible to create resin rotors with small dimensional changes.
また、主たる充填材であるガラス繊維の径を９μｍ以下
と細くすることにより、さらに優れ閑
た機械強度を保持させることができる。Furthermore, by reducing the diameter of the glass fibers, which are the main filler, to 9 μm or less, even better mechanical strength can be maintained.
実施例
本発明の実施で使用するフェノール樹脂、フェノールア
ラルキル樹脂は、通常市販されているものである。必要
に応じ、ヘキサミン等の硬化剤、硬化促進剤を配合する
。その他、着色剤等を適宜配合し、樹脂と共に混合、混
練後粉砕して成形材料とする。Examples The phenol resin and phenol aralkyl resin used in the practice of the present invention are commonly commercially available. If necessary, a curing agent such as hexamine or a curing accelerator is added. In addition, a coloring agent and the like are suitably blended, mixed with a resin, kneaded, and pulverized to obtain a molding material.
成形手段は、圧縮成形、射出成形、トランスミ ファ成し製置採用できる。Molding methods include compression molding, injection molding, and transmission molding. Can be used for fabrication and manufacturing.
実施例１〜２、比較例１〜３
第１表に示す組成の樹脂と充填材その他の添加剤の配合
物を、ロールでで混合、混練後粉砕（
して成形材料とした。これを、１００手射出成形機によ
り成形して、図面に示したようなロータを得た。成形条
件は、金型温度１８０°Ｃ、シリンダ温度（前部９０゛
Ｃ１後部５０°Ｃ）である。Examples 1 to 2, Comparative Examples 1 to 3 A blend of resin, filler, and other additives having the composition shown in Table 1 was mixed with a roll, kneaded, and then ground (pulverized) to obtain a molding material. A rotor as shown in the drawing was obtained by molding using a 100° hand injection molding machine.The molding conditions were a mold temperature of 180°C and a cylinder temperature (front: 90°C, rear: 50°C).
上記実施例、比較例のロータの特性を第１表に併せて示
した。吸湿による寸法変化は、７０°Ｃ・９０％ＲＩＩ
Ｘ １００時間の処理後の外径変化で評価した。また、
ロータの機械強度は、凹凸部分を垂直方向に加圧し、破
壊強度を測定した。The characteristics of the rotors of the above examples and comparative examples are also shown in Table 1. Dimensional change due to moisture absorption is 70°C/90% RII
Evaluation was made based on the change in outer diameter after 100 hours of treatment. Also,
The mechanical strength of the rotor was determined by applying pressure to the uneven portion in the vertical direction and measuring the breaking strength.
発明の効果
第１表から明らかなように、本発明に係る樹脂製のポン
プ用ロータは、吸湿による寸法変化（膨潤）が小さい。Effects of the Invention As is clear from Table 1, the resin pump rotor according to the present invention has little dimensional change (swelling) due to moisture absorption.
従って、ロータ周面とハウジング内面とのクリアランス
を極力小さく設定することが重要なポンプにとって、そ
の工業的価値は極めて大である。そして機械的強度も大
きく、作動中の破損を防止することが出来る。Therefore, for a pump in which it is important to set the clearance between the rotor circumferential surface and the housing inner surface as small as possible, its industrial value is extremely large. It also has high mechanical strength and can prevent damage during operation.
第１図は本発明を適用するポンプ用ロータを示し、（ａ
）は側面図、（ｂ）は平面図である。FIG. 1 shows a pump rotor to which the present invention is applied, (a
) is a side view, and (b) is a plan view.
Claims (1)
材を配合して成形された、主たる充填材が繊維径９μｍ
以下のガラス繊維であるポンプ用ロータ。1. Molded by blending phenol resin, phenol aralkyl resin, and filler, the main filler has a fiber diameter of 9 μm
The rotor for the pump is made of glass fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1251294A JP2643477B2 (en) | 1989-09-27 | 1989-09-27 | Pump rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1251294A JP2643477B2 (en) | 1989-09-27 | 1989-09-27 | Pump rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03115794A true JPH03115794A (en) | 1991-05-16 |
| JP2643477B2 JP2643477B2 (en) | 1997-08-20 |
Family
ID=17220670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1251294A Expired - Fee Related JP2643477B2 (en) | 1989-09-27 | 1989-09-27 | Pump rotor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2643477B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0828081A1 (en) * | 1996-09-06 | 1998-03-11 | Honda Giken Kogyo Kabushiki Kaisha | Pump and medium circulation apparatus |
| US6190146B1 (en) * | 1998-12-07 | 2001-02-20 | Zexel Corporation | Member for compressor, manufacturing method for the member, and scroll compressor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62258184A (en) * | 1986-05-02 | 1987-11-10 | Polyplastics Co | Pump impeller |
| JPS63243489A (en) * | 1987-03-27 | 1988-10-11 | Nippon Denso Co Ltd | In-tank fuel pump |
-
1989
- 1989-09-27 JP JP1251294A patent/JP2643477B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62258184A (en) * | 1986-05-02 | 1987-11-10 | Polyplastics Co | Pump impeller |
| JPS63243489A (en) * | 1987-03-27 | 1988-10-11 | Nippon Denso Co Ltd | In-tank fuel pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0828081A1 (en) * | 1996-09-06 | 1998-03-11 | Honda Giken Kogyo Kabushiki Kaisha | Pump and medium circulation apparatus |
| US6126386A (en) * | 1996-09-06 | 2000-10-03 | Honda Giken Kogyo Kabushiki Kaisha | Pump and medium circulation apparatus |
| US6190146B1 (en) * | 1998-12-07 | 2001-02-20 | Zexel Corporation | Member for compressor, manufacturing method for the member, and scroll compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2643477B2 (en) | 1997-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090502 Year of fee payment: 12 |
|
| LAPS | Cancellation because of no payment of annual fees |