JP2643476B2 - Pump rotor - Google Patents
Pump rotorInfo
- Publication number
- JP2643476B2 JP2643476B2 JP1251293A JP25129389A JP2643476B2 JP 2643476 B2 JP2643476 B2 JP 2643476B2 JP 1251293 A JP1251293 A JP 1251293A JP 25129389 A JP25129389 A JP 25129389A JP 2643476 B2 JP2643476 B2 JP 2643476B2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- resin
- pump rotor
- filler
- pump
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resin pump rotor suitable for an automobile fuel pump or 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。2. Description of the Related Art With the trend toward higher performance, smaller size, lighter weight, and lower cost of automotive parts, the use of resin for the rotor of electric fuel pumps is also required.
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 an impeller formed by repeatedly forming irregularities on the periphery. When the rotor is housed in the housing, it is important to keep the clearance between the peripheral 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 resinification of a rotor, a molded product of a glass fiber-filled phenol resin having relatively good dimensional accuracy has been studied.
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 glass fiber-filled phenol resin rotor has a large dimensional change due to moisture absorption and swells. Therefore, if the clearance between the rotor peripheral surface and the housing inner surface is not large, the rotor peripheral surface may come into contact with the housing inner surface due to swelling, and the pump may stop.
本発明の課題は、吸湿による寸法変化の小さい樹脂製
のポンプ用ロータを提出することである。さらに、本発
明の課題は、表面の滑らかな樹脂製のロータを提供する
ことである。An object of the present invention is to provide a resin pump rotor having a small dimensional change due to moisture absorption. It is a further object of the present invention to provide a resin rotor having a smooth surface.
課題を解決するための手段 本発明に係るポンプ用ロータは、フェノール樹脂にフ
ェノールアラルキル樹脂、充填材を配合して成形した点
に特徴を有する。主たる充填材として、ガラス繊維と球
状フィラーを組合せて用いれば好適である。Means for Solving the Problems The pump rotor according to the present invention is characterized in that it is formed by mixing a phenol resin with a phenol aralkyl resin and a filler. It is preferable to use a combination of glass fibers and spherical fillers as the main filler.
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。Action The phenol aralkyl resin is usually used for the purpose of improving heat resistance. The present inventors have applied the present invention to resinification of a pump rotor based on a new finding that the resin is effective in suppressing moisture absorption, thereby enabling a resin rotor having a small dimensional change. .
主たる充填材としてガラス繊維と球状フィラーを組合
せ用いることにより、機械強度が大きく、表面の滑らか
なロータを得ることができる。すなわち、球状フィラー
の存在で、成形時の樹脂の流動性がよくなり、ロータ表
面を滑らかに成形できる。また、ガラス繊維の存在で、
十分な機械強度を保持させることができる。By using a combination of glass fiber and spherical filler as the main filler, a rotor having high mechanical strength and a smooth surface can be obtained. That is, due to the presence of the spherical filler, the fluidity of the resin during molding is improved, and the rotor surface can be molded smoothly. Also, with the presence of glass fiber,
Sufficient 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。Examples The phenolic resins and phenol aralkyl resins used in the practice of the present invention are those that are usually commercially available. If necessary, a curing agent such as hexamine and a curing accelerator are blended.
充填材は有機系、無機系のいずれも使用でき、例示す
れば次のとおりである。ガラス繊維、ガラス粉、ガラス
ビーズ（球状フィラー）、シリカ粉、シリカビーズ（球
状フィラー）、タルク、クレー、マイカ、水酸化アルミ
ニウム、芳香族ポリアミド繊維、ビルロン繊維。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。As the filler, either an organic or inorganic filler can be used, and examples thereof are as follows. Glass fiber, glass powder, glass beads (spherical filler), silica powder, silica beads (spherical filler), talc, clay, mica, aluminum hydroxide, aromatic polyamide fiber, virulon fiber. In addition, a coloring agent and the like are appropriately mixed, mixed with a resin, kneaded, and then pulverized to obtain a molding material.
成形手段は、圧縮成形、射出成形、トランスファ成形
適宜採用できる。As the molding means, compression molding, injection molding, and transfer molding can be appropriately employed.
実施例１〜４、比較例１〜５ 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、ロールで混合、混練後粉砕して成形材料とし
た。これを、50 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℃、シリンダ温度
（前部90℃、後部50℃）である。Examples 1 to 4, Comparative Examples 1 to 5 A mixture of a resin having the composition shown in Table 1 and a filler and other additives was mixed with a roll, kneaded, and then pulverized to obtain a molding material. This is 50 A rotor as shown in the drawing was obtained by molding with an injection molding machine. The molding conditions are a mold temperature of 180 ° C. and a cylinder temperature (90 ° C. in front, 50 ° C. in back).
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℃・90％RH×1000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。Table 1 also shows the characteristics of the rotors of the above examples and comparative examples. The dimensional change due to moisture absorption was evaluated by the outer diameter change after treatment at 70 ° C./90% RH × 1000 hours. The mechanical strength of the rotor was determined by pressing 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。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。 Effect of the Invention As is apparent from Table 1, the resin pump rotor according to the present invention has a small dimensional change (swelling) due to moisture absorption. Therefore, the industrial value of a pump for which it is important to set the clearance between the rotor peripheral surface and the housing inner surface as small as possible is extremely large.
また、充填材としてガラス繊維と球状フィラーを組合
せることにより、機械強度を保持しながらロータの平面
度を良好にすることができる。Further, by combining glass fiber and spherical filler as the filler, the flatness of the rotor can be improved while maintaining the mechanical strength.
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, (b) is a plan view.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭64−95124（ＪＰ，Ａ) 特開 昭61−215498（ＪＰ，Ａ) ────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-64-95124 (JP, A) JP-A-61-215498 (JP, A)
Claims (2)
脂、充填材を配合して成形されたポンプ用ロータ。1. A pump rotor formed by mixing a phenol resin with a phenol aralkyl resin and a filler.
である請求項１記載のポンプ用ロータ。2. The pump rotor according to claim 1, wherein the main fillers are glass fibers and spherical fillers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1251293A JP2643476B2 (en) | 1989-09-27 | 1989-09-27 | Pump rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1251293A JP2643476B2 (en) | 1989-09-27 | 1989-09-27 | Pump rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03115793A JPH03115793A (en) | 1991-05-16 |
| JP2643476B2 true JP2643476B2 (en) | 1997-08-20 |
Family
ID=17220654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1251293A Expired - Fee Related JP2643476B2 (en) | 1989-09-27 | 1989-09-27 | Pump rotor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2643476B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190146B1 (en) * | 1998-12-07 | 2001-02-20 | Zexel Corporation | Member for compressor, manufacturing method for the member, and scroll compressor |
| JP5504786B2 (en) * | 2009-09-24 | 2014-05-28 | 住友ベークライト株式会社 | Phenolic resin molding material |
| JP6831175B2 (en) * | 2015-10-29 | 2021-02-17 | 住友ベークライト株式会社 | Phenolic resin molding material |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61215498A (en) * | 1985-03-22 | 1986-09-25 | Nippon Radiator Co Ltd | Air supply fan |
| JPH0692798B2 (en) * | 1986-05-02 | 1994-11-16 | ポリプラスチック株式会社 | Pump impeller |
| JP2504042B2 (en) * | 1987-03-27 | 1996-06-05 | 日本電装株式会社 | In-tank fuel pump |
-
1989
- 1989-09-27 JP JP1251293A patent/JP2643476B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03115793A (en) | 1991-05-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104053741B (en) | Friction material and manufacturing method thereof | |
| JP2643476B2 (en) | Pump rotor | |
| JP2643477B2 (en) | Pump rotor | |
| JP3586941B2 (en) | Pump impeller | |
| US5141992A (en) | Phenolic resin composition with excellent impact strength | |
| US20020010230A1 (en) | Process for producing friction material and friction material obtained by the process | |
| JPH0893690A (en) | Impeller for pump and manufacturing method thereof | |
| JPS63202411A (en) | Resin mold | |
| JP2822512B2 (en) | Friction material composition | |
| JPH04249629A (en) | Frictional member | |
| JPH042830B2 (en) | ||
| JPH08159244A (en) | Resin pulley | |
| JP2003268197A (en) | Phenolic resin molding materials and resin pulleys | |
| JPH0438945B2 (en) | ||
| JPH0438944B2 (en) | ||
| JP2000219796A (en) | Impact-resistant phenolic resin molding material composition | |
| JPH08145148A (en) | Resin made pulley | |
| JP2513065B2 (en) | Phenolic resin molding material | |
| CN107061572A (en) | A kind of few metal-resin group automobile brake block and preparation method thereof | |
| JP3251710B2 (en) | Phenolic resin molding material and molded article | |
| JP2001207016A (en) | Phenol resin molding material | |
| JP2004277599A (en) | Phenolic resin molding material | |
| JP2667753B2 (en) | Thermosetting molding material molding method | |
| JPH0995595A (en) | Phenolic resin molding material | |
| JP2003026899A (en) | Phenolic resin molding material for commutator |
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 |