JP3462004B2 - EV heating circulation pump device - Google Patents
EV heating circulation pump deviceInfo
- Publication number
- JP3462004B2 JP3462004B2 JP11725396A JP11725396A JP3462004B2 JP 3462004 B2 JP3462004 B2 JP 3462004B2 JP 11725396 A JP11725396 A JP 11725396A JP 11725396 A JP11725396 A JP 11725396A JP 3462004 B2 JP3462004 B2 JP 3462004B2
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- impeller
- case
- mounting
- wall portion
- 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)
- Air-Conditioning For Vehicles (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【発明の属する技術分野】本発明は、電気自動（ＥＶ）
用の暖房循環ポンプ装置に関するものである。TECHNICAL FIELD The present invention relates to an electric automatic (EV).
The present invention relates to a heating circulation pump device for a vehicle.
【０００２】[0002]
【従来の技術】従来、電気自動車用の暖房循環ポンプ装
置は、図１、図２に示すように、循環水を加熱する加熱
ユニット２２と、その加熱ユニット２２で加熱された温
水を送出循環させるポンプユニット２３と、前記加熱ユ
ニット２２と前記ポンプユニット２３を連結するフラン
ジ２４とから構成されている。2. Description of the Related Art Conventionally, a heating circulation pump device for an electric vehicle, as shown in FIGS. 1 and 2, sends a heating unit 22 for heating circulating water and a circulating hot water heated by the heating unit 22. It is composed of a pump unit 23 and a flange 24 connecting the heating unit 22 and the pump unit 23.
【０００３】加熱ユニット２２は、一端面のほぼ中央に
温水入口３４が貫設されその温水入口３４の周囲にフラ
ンジ２４を取り付けるための複数の取付部を設けた温水
槽３２と、ラインヒータ４１と帰還水入口４０を備えた
蓋３３とからなる。The heating unit 22 includes a hot water tank 32 having a plurality of mounting portions for mounting the flange 24 around the hot water inlet 34 and a line heater 41. And a lid 33 having a return water inlet 40.
【０００４】ポンプユニット２３は、ポンプキャップ２
５と羽根車ケース２６とが止めネジ３０で気密結合さ
れ、前記両者で形成されたポンプ室３５に羽根車２７を
内蔵する渦巻きポンプである。ポンプキャップ２５に
は、ほぼ中央に温水入口が貫設され、一端面の前記温水
入口の周囲にポンプ室形成用凹部とその凹部に連通する
送出管部３６が設けられ、前記凹部の外周より外側に羽
根車ケース２６を取付けるための複数の取付部が設けら
れ、他端面の前記温水入口の周囲にフランジ２４を取付
けるための複数の取付部が設けられている。羽根車ケー
ス２６には、一端面のほぼ中央に軸受孔３８が貫設さ
れ、その軸受孔３８にモータ軸３７が気密貫通するよう
モータ３１が他端面に取付けられ、前記貫通したモータ
軸３１先端に羽根車２７が嵌合固定され、前記一端面の
羽根車２７より外側に前記取付部に対応する複数の取付
部が形成されている。The pump unit 23 includes a pump cap 2
5 and the impeller case 26 are airtightly coupled by a set screw 30, and the impeller 27 is housed in a pump chamber 35 formed by the both. In the pump cap 25, a hot water inlet is provided substantially in the center, and a pump chamber forming recess and a delivery pipe portion 36 communicating with the recess are provided around the hot water inlet on one end surface, and are located outside the outer periphery of the recess. Is provided with a plurality of mounting portions for mounting the impeller case 26, and a plurality of mounting portions for mounting the flange 24 around the hot water inlet on the other end surface. In the impeller case 26, a bearing hole 38 is provided substantially at the center of one end face, and a motor 31 is attached to the other end face of the bearing hole 38 so that the motor shaft 37 can pass through the bearing hole 38. An impeller 27 is fitted and fixed to the one end surface, and a plurality of mounting portions corresponding to the mounting portions are formed outside the impeller 27 on the one end surface.
【０００５】フランジ２４には、その中央の貫通孔の周
囲にポンプユニット２３の取付部に対応する複数の取付
部が形成され、更にその外側に加熱ユニット２２の取付
部に対応する複数の取付部が形成されている。温水に接
触する箇所に止めネジを使用すると、前記止めネジから
錆が発生したり、前記止めネジとネジ孔の間隙を通して
水漏れが起こったりするので、温水に接触する箇所には
ネジ止めのための孔を設けず、前記加熱ユニット２２と
前記ポンプユニット２３は、フランジ２４を介して相互
に気密連結されている。すなわち、まずフランジ２４を
ポンプユニット２３にパッキン等を介して止めネジ２８
で連結し、次に前記ポンプユニット２３が連結されたフ
ランジ２４を加熱ユニット２２にパッキン等を介して止
めネジ２９で連結する。A plurality of mounting portions corresponding to the mounting portion of the pump unit 23 are formed around the through hole at the center of the flange 24, and a plurality of mounting portions corresponding to the mounting portion of the heating unit 22 are further provided outside thereof. Are formed. If a set screw is used in a place that comes into contact with hot water, rust may occur from the set screw or water may leak through the gap between the set screw and the screw hole. The heating unit 22 and the pump unit 23 are airtightly connected to each other via a flange 24 without providing the hole. That is, first, the flange 24 is attached to the pump unit 23 via a packing or the like, and a set screw 28
Then, the flange 24 to which the pump unit 23 is connected is connected to the heating unit 22 with a set screw 29 via packing or the like.
【０００６】上記暖房循環ポンプ装置において、温水槽
３２の中でラインヒータ４１により加熱された温水は、
温水入口３４に吸い込まれ、ポンプ室３５でモータ３１
で駆動される羽根車２７により回転させられ運動エネル
ギが増加し、送出管部３６から送出され、別途配管を通
り熱交換器などで熱量を放出した後、帰還して帰還水入
口４０から前記温水槽３２へ戻り、こうして前述のサイ
クルにより循環する。In the above heating circulation pump device, the hot water heated by the line heater 41 in the hot water tank 32 is
The motor 31 is sucked into the hot water inlet 34 and is pumped in the pump chamber 35.
The kinetic energy is increased by being rotated by the impeller 27 driven by, and is sent out from the sending pipe section 36 and discharged through a separate pipe in a heat exchanger or the like, and then returns to return the temperature from the return water inlet 40. It returns to the water tank 32 and thus circulates according to the cycle described above.
【０００７】[0007]
【発明が解決しようとする課題】上記のように、従来の
暖房循環ポンプ装置では、温水槽とポンプとが分かれて
おり、前記両者の連結のためにフランジを必要とし、そ
れらをパッキン等を介して止めネジで組立していたの
で、部品コストや組立コストがかかるという問題があっ
た。又温水に接触する連結箇所が多いため水漏れの危険
が大きいという問題があった。As described above, in the conventional heating circulation pump device, the hot water tank and the pump are separated from each other, and a flange is required for connecting the two, and they are connected via packing or the like. Since it was assembled with a set screw, there was a problem that component cost and assembly cost were required. Further, there is a problem that there is a large risk of water leakage because there are many connecting points that come into contact with warm water.
【０００８】本発明は、ＥＶ暖房循環ポンプ装置の部品
点数を減らし、製造コストと組立コストの削減並びに温
水容器としての信頼性の向上を図ることを目的とする。An object of the present invention is to reduce the number of parts of an EV heating circulation pump device, reduce manufacturing costs and assembly costs, and improve reliability as a hot water container.
【０００９】[0009]
【課題を解決するための手段】本発明は、上記目的を達
成するため、電気自動車に取付けられ、加熱された温水
を渦巻きポンプで送出循環させるＥＶ暖房循環ポンプ装
置において、温水ケースが、その一側面に位置するケー
ス端部のほぼ中央に温水槽に連通する温水入口を貫設
し、その周囲にポンプ室形成用凹部を凹設し、前記ケー
ス端部の内方に前記凹部に連通する送出管部を形成し、
前記凹部の外周縁の周囲に羽根車ユニットを取付けるた
めの複数の取付部を設け、それらを一体樹脂成形したも
のからなり、前記羽根車ユニットが、前記取付部に対応
する複数の取付部及び前記ポンプ室形成用凹部に嵌合し
て両者でポンプ室を形成するポンプ室形成部を有する羽
根車ケースと、前記ポンプ室に収納される羽根車と、そ
の羽根車を駆動するモータとからなり、前記温水ケース
と前記羽根車ユニットとが、夫々の対応する取付部を合
致させた状態で、取付手段によって結合されていること
を特徴とする。In order to achieve the above object, the present invention relates to an EV heating circulation pump device mounted on an electric vehicle for circulating heated hot water by means of a spiral pump, wherein a hot water case is one of them. A hot water inlet that communicates with the hot water tank is provided through approximately the center of the case end located on the side surface, and a pump chamber forming recess is provided in the periphery thereof, and the inside of the case end communicates with the recess. Forming a tube,
A plurality of mounting portions for mounting the impeller unit are provided around the outer peripheral edge of the recess, and these are integrally resin-molded, and the impeller unit has a plurality of mounting portions corresponding to the mounting portion and the An impeller case having a pump chamber forming portion that fits into the pump chamber forming recess and forms a pump chamber with both, an impeller housed in the pump chamber, and a motor that drives the impeller, The hot water case and the impeller unit are coupled by a mounting means in a state where respective corresponding mounting portions are matched with each other.
【００１０】本発明によれば、温水ケースの端部にポン
プキャップを一体樹脂成形により設けることができるの
で、従来、ポンプキャップ、温水槽、フランジの３個の
部品に分かれていた部分を１個の樹脂成形品に代えるこ
とができ、製造コストと組立てコストの削減が図られ
る。又、従来ポンプキャップと温水槽を連結するため２
箇所必要であった連結部を省略でき、前記両者を一体樹
脂成形できるので、温水容器としての信頼性向上が図ら
れる。According to the present invention, the pump cap can be provided on the end portion of the hot water case by integral resin molding. Therefore, one portion which has conventionally been divided into three parts of the pump cap, the hot water tank and the flange is provided. It can be replaced with the resin molded product, and the manufacturing cost and the assembly cost can be reduced. Also, to connect the conventional pump cap and hot water tank, 2
Since the connecting portion, which was required in some places, can be omitted and both of them can be integrally resin-molded, reliability as a hot water container can be improved.
【００１１】本発明のＥＶ暖房循環ポンプ装置におい
て、ケース端部を、温水槽の側壁部とポンプ室形成用凹
部が凹設されたユニット取付壁部とを備え、前記側壁部
と前記ユニット取付壁部とは、温水入口を内部に形成す
る管部、補強リブ、送出管部により部分的に連結され、
前記側壁部と前記ユニット取付壁部との間に空間が形成
されるよう構成すると、温水容器として十分な強度を維
持しつつ、材料コストの削減と温水ケースの軽量化が図
られる。更に、前記空間の形成により、ケース端部を通
しての熱流が少なくなるので、温水ケースの一体化に伴
う温水槽からモータへの熱流増加を抑えることができ
る。In the EV heating circulation pump device of the present invention, the case end portion is provided with a side wall portion of the hot water tank and a unit mounting wall portion in which a recess for forming a pump chamber is provided, and the side wall portion and the unit mounting wall are provided. The part is partially connected by a pipe part forming a hot water inlet therein, a reinforcing rib, and a delivery pipe part,
If the space is formed between the side wall portion and the unit mounting wall portion, the material cost can be reduced and the weight of the hot water case can be reduced while maintaining sufficient strength as the hot water container. Furthermore, since the heat flow through the end of the case is reduced by forming the space, it is possible to suppress an increase in heat flow from the hot water tank to the motor due to the integration of the hot water case.
【００１２】又、羽根車ケースの軸受孔に、両端にモー
タ軸、羽根車を夫々嵌合固定したセラミック製の回転軸
を気密貫通するよう取付けると、前記モータ軸を通して
の温水の熱の伝導によるモータ温度の上昇を抑えること
ができ、より耐熱性の低いモータを使用できるので、モ
ータコストの削減とモータの軽量化が図られる。Further, when a ceramic rotary shaft having a motor shaft and an impeller fitted and fixed at both ends is attached to the bearing hole of the impeller case so as to penetrate airtightly, heat of hot water is conducted through the motor shaft. Since a rise in motor temperature can be suppressed and a motor having lower heat resistance can be used, the cost of the motor can be reduced and the weight of the motor can be reduced.
【００１３】[0013]
【発明の実施の形態】本発明の一実施形態を図面に基い
て説明する。本発明のＥＶ暖房循環ポンプ装置は、図３
〜図７に示すように、温水ケース１と、その温水ケース
１に気密連結され両者で羽根車５を内蔵する渦巻きポン
プを形成する羽根車ユニット４と、前記温水ケース１に
気密接着される蓋２とから構成されている。DETAILED DESCRIPTION OF THE INVENTION An embodiment of the present invention will be described with reference to the drawings. The EV heating circulation pump device of the present invention is shown in FIG.
As shown in FIG. 7, a hot water case 1, an impeller unit 4 that is airtightly connected to the hot water case 1 to form a spiral pump having a built-in impeller 5 therein, and a lid that is airtightly bonded to the hot water case 1. 2 and.
【００１４】温水ケース１は、その一側面に位置するケ
ース端部１３のほぼ中央に温水槽１２に連通する温水入
口９を貫設し、その周囲にポンプ室形成用凹部１５を凹
設し、図６に示すように、前記ケース端部１３の内方に
前記凹部１５に連通する送出管部１１を形成し、前記凹
部１５の外周縁の周囲に羽根車ユニット４を取付けるた
めの複数の取付孔１９を温水槽１２に貫通しないように
設け、それらを一体樹脂成形したものからなる。そし
て、ケース端部１３は、温水槽１２の側壁部４４とポン
プ室形成用凹部１５が凹設されたユニット取付壁部４５
とを備え、前記側壁部４４と前記ユニット取付壁部４５
とは、図７に示すように、温水入口９を内部に形成する
管部１０、補強リブ１６、送出管部１１により部分的に
連結され、前記側壁部４４と前記ユニット取付壁部４５
の間に空間が形成されるよう構成されている。又、送出
管部１１の出口には、図示しないが、送出配管が気密連
結される。In the warm water case 1, a warm water inlet 9 communicating with the warm water tank 12 is provided substantially at the center of a case end 13 located on one side surface of the warm water case 1, and a pump chamber forming recess 15 is provided around the hot water inlet 9. As shown in FIG. 6, a delivery pipe portion 11 communicating with the recess 15 is formed inside the case end portion 13, and a plurality of attachments for attaching the impeller unit 4 around the outer peripheral edge of the recess 15 are provided. The holes 19 are provided so as not to penetrate the hot water tank 12, and they are integrally resin-molded. The case end portion 13 has a unit mounting wall portion 45 in which the side wall portion 44 of the hot water tank 12 and the pump chamber forming recess 15 are provided.
And the side wall portion 44 and the unit mounting wall portion 45.
As shown in FIG. 7, is partially connected by a pipe portion 10 having a hot water inlet 9 formed therein, a reinforcing rib 16, and a delivery pipe portion 11, and the side wall portion 44 and the unit mounting wall portion 45.
A space is formed between the two. Although not shown, a delivery pipe is airtightly connected to the outlet of the delivery pipe section 11.
【００１５】羽根車ユニット４は、前記取付孔１９に対
応する複数の取付部２０を設けると共に端面を前記ポン
プ室形成用凹部１５に嵌合して両者でポンプ室を形成す
るポンプ室形成部を有する羽根車ケース１４と、前記ポ
ンプ室に収納される羽根車５と、その羽根車５を駆動す
るモータ７とからなる。羽根車ケース１４に設けられた
軸受孔１８には、モータ７の軸と羽根車５を夫々両端に
嵌合固定したセラミック製の回転軸１７が気密貫通する
よう取付られている。そして、温水ケース１と羽根車ユ
ニット４とは、夫々前記取付部１９に対応する前記取付
部２０を合致させた状態で、Ｏリング４３を介し止めネ
ジ６によって結合される。The impeller unit 4 is provided with a plurality of mounting portions 20 corresponding to the mounting holes 19 and also has a pump chamber forming portion in which an end face is fitted into the pump chamber forming concave portion 15 to form a pump chamber with both. It has an impeller case 14 that it has, an impeller 5 that is housed in the pump chamber, and a motor 7 that drives the impeller 5. A rotary shaft 17 made of ceramics, in which the shaft of the motor 7 and the impeller 5 are fitted and fixed at both ends, is mounted in a bearing hole 18 provided in the impeller case 14 so as to hermetically penetrate therethrough. Then, the warm water case 1 and the impeller unit 4 are coupled by the set screw 6 via the O-ring 43 in a state where the mounting portions 20 corresponding to the mounting portions 19 are matched.
【００１６】蓋２には、２箇所の孔４２を貫通して気密
接着されたラインヒータ４１と、帰還水入口４０とが備
えられている。帰還水入口４０には、図示しないが、送
出され熱量を放出した温水を温水槽１２に戻すための帰
還配管が気密連結される。The lid 2 is provided with a line heater 41 that penetrates through two holes 42 and is airtightly bonded, and a return water inlet 40. Although not shown, the return water inlet 40 is airtightly connected with a return pipe for returning the warm water, which has been discharged and has released the amount of heat, to the warm water tank 12.
【００１７】本発明の上記構成によれば、温水ケース１
を樹脂成形する際に、送出管部１１をＰ方向、すなわち
温水槽１２の内面と同じ方向、に型抜きすることができ
るので、ケース端部１３を温水ケース１の端部に一体に
形成することができる。すなわち、送出管部１１、ケー
ス端部１３の上側、温水槽１２の内面及び上面をＰ方向
へ、前記ケース端部１３の下側、前記温水槽１２の下面
をＱ方向へ、前水ケース端部１３の両側面夫々、前記温
水槽１２の両側面夫々をＲ、Ｓ方向へ、前記ケース端部
１３の端部、ポンプ室形成用凹部１５、温水入口１０を
Ｔ方向へ夫々型抜きすることができる。According to the above configuration of the present invention, the hot water case 1
When the resin is molded, the delivery pipe portion 11 can be die-cut in the P direction, that is, in the same direction as the inner surface of the hot water tank 12, so that the case end portion 13 is formed integrally with the end portion of the hot water case 1. be able to. That is, the delivery pipe portion 11, the upper side of the case end portion 13, the inner surface and the upper surface of the hot water tank 12 are in the P direction, the lower side of the case end portion 13 and the lower surface of the hot water tank 12 are in the Q direction, and the front water case end is shown. Die cutting both sides of the part 13 in the R and S directions of both sides of the hot water tank 12, respectively, and stamping the end of the case end 13, the pump chamber forming recess 15, and the hot water inlet 10 in the T direction. You can
【００１８】従って、従来、ケース端部１３（ポンプキ
ャップに相当）、温水槽１２、フランジの３個の部品で
構成されていたものを、そのフランジを省略し、温水ケ
ース１の一体樹脂成形品１個に代えることができる。更
に、従来ケース端部１３と温水槽１２を連結するため２
箇所必要であった連結部を省略することができる。Therefore, the conventional structure which is composed of three parts of the case end portion 13 (corresponding to the pump cap), the hot water tank 12, and the flange is omitted from the flange, and the hot water case 1 is integrally molded with resin. It can be replaced with one. Further, in order to connect the conventional case end 13 and the hot water tank 12, 2
It is possible to omit the connecting portion, which was required in some places.
【００１９】本発明のＥＶ暖房循環ポンプ装置におい
て、温水槽１２の中でラインヒータ４１により８０℃程
度に加熱された温水は、温水入口９に吸い込まれ、ポン
プ室内でモータ７で駆動される羽根車５により回転させ
られ運動エネルギが増加し、送出管部１１から送出さ
れ、別途配管を通り熱交換器などで熱量を放出した後、
帰還して帰還水入口４０から前記温水槽１２へ戻り、こ
うして前述のサイクルにより循環する。In the EV heating circulation pump device of the present invention, the hot water heated to about 80 ° C. by the line heater 41 in the hot water tank 12 is sucked into the hot water inlet 9 and driven by the motor 7 in the pump chamber. After being rotated by the vehicle 5, the kinetic energy is increased, the kinetic energy is sent out from the sending pipe portion 11, and after passing through a separate pipe and releasing the amount of heat with a heat exchanger,
It returns and returns to the warm water tank 12 from the return water inlet 40, and thus circulates by the above-mentioned cycle.
【００２０】[0020]
【発明の効果】本発明によれば、従来、温水槽と分かれ
ていたポンプキャップを温水ケースの端部として前記温
水槽と一体に樹脂成形できるので、製造コストと組立コ
ストの削減が図られる。又、従来ポンプキャップと温水
槽を連結するため２箇所必要であった連結部を省略し、
前記両者を一体成形できるので、温水容器としての信頼
性の向上が図られる。According to the present invention, the pump cap, which is conventionally separated from the hot water tank, can be resin-molded integrally with the hot water tank as an end of the hot water case, so that the manufacturing cost and the assembly cost can be reduced. Also, omitting the connecting part which was required in two places to connect the pump cap and the hot water tank,
Since both can be integrally molded, the reliability as a hot water container can be improved.
【００２１】又、ケース端部が、間に空間を設けた側壁
部とユニット取付壁部の２重構造で構成され、前記側壁
部と前記ユニット取付壁部とが、温水入口を内部に形成
する管部、補強リブ、送出管部により部分的に連結され
ているので、温水容器として十分な強度を維持しつつ、
材料コストの削減と温水ケースの軽量化が図られる。Further, the end portion of the case has a double structure of a side wall portion and a unit mounting wall portion having a space therebetween, and the side wall portion and the unit mounting wall portion form a hot water inlet therein. Since it is partially connected by the pipe part, the reinforcing ribs, and the delivery pipe part, while maintaining sufficient strength as a hot water container,
Material costs are reduced and the weight of the hot water case is reduced.
【００２２】更に、前記空間の形成は、温水ケースの一
体化に伴う温水槽からモータへの熱流増加を抑えること
ができる。Further, the formation of the space can suppress an increase in heat flow from the hot water tank to the motor due to the integration of the hot water case.
【００２３】又、羽根車とモータ軸との間に熱伝導率の
低いセラミック製の回転軸を介装しているので、前記モ
ータ軸を通しての熱の伝導によるモータ温度の上昇を抑
えることができ、より耐熱性の低いモータを使用できる
ので、モータコストの削減とモータの軽量化が図られ
る。Further, since the ceramic rotary shaft having a low thermal conductivity is interposed between the impeller and the motor shaft, it is possible to suppress an increase in the motor temperature due to heat conduction through the motor shaft. Since a motor having lower heat resistance can be used, the cost of the motor can be reduced and the weight of the motor can be reduced.
【図１】従来例の一部を破断して示す正面図。FIG. 1 is a front view in which a part of a conventional example is broken away.
【図２】その側面図。FIG. 2 is a side view thereof.
【図３】本発明の一実施形態を示す斜視図。FIG. 3 is a perspective view showing an embodiment of the present invention.
【図４】本発明の一実施形態の一部を破断して示す正面
図。FIG. 4 is a partially cutaway front view showing an embodiment of the present invention.
【図５】その側面図。FIG. 5 is a side view thereof.
【図６】図４の羽根車を除いたＸ−Ｘ断面図。FIG. 6 is a cross-sectional view taken along line XX of FIG. 4 excluding the impeller.
【図７】図４の羽根車を除いたＹ−Ｙ断面図。FIG. 7 is a cross-sectional view taken along the line YY of FIG. 4 excluding the impeller.
【符号の説明】 １ 温水ケース ４ 羽根車ユニット ９ 温水入口 １１ 送出管部 １２ 温水槽 １３ ケース端部 １５ ポンプ室形成用凹部 １９ 取付孔[Explanation of symbols] 1 hot water case 4 impeller unit 9 Hot water inlet 11 Delivery pipe section 12 hot water tank 13 Case end 15 Pump chamber forming recess 19 mounting holes
───────────────────────────────────────────────────── フロントページの続き (72)発明者 岩崎 靖 大阪府吹田市岸部中５丁目１番１号 株 式会社シントー内 (72)発明者 川崎 安章 大阪府吹田市岸部中５丁目１番１号 株 式会社シントー内 (56)参考文献 特開 昭56−98585（ＪＰ，Ａ) 特開 昭60−26197（ＪＰ，Ａ) 実開 昭59−188763（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) F04D 29/18 B60H 1/22 611 F04D 29/60 F04B 21/00 - 23/14 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasushi Iwasaki 5-1, 1-1 Kishibechu, Suita City, Osaka Prefecture Shinto Co., Ltd. No. Share Company Shinto (56) References JP 56-98585 (JP, A) JP 60-26197 (JP, A) Actual development 59-188763 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) F04D 29/18 B60H 1/22 611 F04D 29/60 F04B 21/00-23/14
Claims (3)
水を渦巻きポンプで送出循環させるＥＶ暖房循環ポンプ
装置において、 温水ケースが、その一側面に位置するケース端部のほぼ
中央に温水槽に連通する温水入口を貫設し、その周囲に
ポンプ室形成用凹部を凹設し、前記ケース端部の内方に
前記凹部に連通する送出管部を形成し、前記凹部の外周
縁の周囲に羽根車ユニットを取付けるための複数の取付
部を設け、それらを一体樹脂成形したものからなり、 前記羽根車ユニットが、前記取付部に対応する複数の取
付部及び前記ポンプ室形成用凹部に嵌合して両者でポン
プ室を形成するポンプ室形成部を有する羽根車ケース
と、前記ポンプ室に収納される羽根車と、その羽根車を
駆動するモータとからなり、 前記温水ケースと前記羽根車ユニットとが、夫々の対応
する取付部を合致させた状態で、取付手段によって結合
されていることを特徴とするＥＶ暖房循環ポンプ装置。1. An EV heating circulation pump device mounted on an electric vehicle for circulating heated hot water with a spiral pump, wherein a hot water case communicates with a hot water tank at approximately the center of a case end located on one side surface thereof. Through which a hot water inlet is provided, a recess for forming a pump chamber is provided around the inlet, and a delivery pipe communicating with the recess is formed inside the case end, and a blade is provided around the outer peripheral edge of the recess. A plurality of mounting portions for mounting the vehicle unit are provided, and these are integrally resin-molded, and the impeller unit is fitted to the plurality of mounting portions corresponding to the mounting portion and the pump chamber forming recess. And an impeller case having a pump chamber forming portion that forms a pump chamber together, an impeller housed in the pump chamber, and a motor that drives the impeller, and the hot water case and the impeller unit. The EV heating circulation pump device is characterized in that each of them is connected by a mounting means in a state where respective corresponding mounting portions are matched with each other.
室形成用凹部が凹設されたユニット取付壁部とを備え、
前記側壁部と前記ユニット取付壁部とは、温水入口を内
部に形成する管部、補強リブ、送出管部により部分的に
連結され、前記側壁部と前記ユニット取付壁部との間に
空間が形成されるよう構成されている請求項１記載のＥ
Ｖ暖房循環ポンプ装置。2. The case end portion includes a side wall portion of the hot water tank and a unit mounting wall portion in which a pump chamber forming concave portion is provided.
The side wall portion and the unit mounting wall portion are partially connected by a pipe portion forming a hot water inlet therein, a reinforcing rib, and a delivery pipe portion, and a space is formed between the side wall portion and the unit mounting wall portion. The E of claim 1 configured to be formed.
V heating circulation pump device.
軸、羽根車を夫々嵌合固定したセラミック製の回転軸が
気密貫通するよう取付けられた請求項１又は２記載のＥ
Ｖ暖房循環ポンプ装置。3. The E according to claim 1 or 2, wherein a rotary shaft made of ceramic having a motor shaft and an impeller fitted and fixed at both ends is attached to the bearing hole of the impeller case so as to hermetically penetrate therethrough.
V heating circulation pump device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11725396A JP3462004B2 (en) | 1996-05-13 | 1996-05-13 | EV heating circulation pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11725396A JP3462004B2 (en) | 1996-05-13 | 1996-05-13 | EV heating circulation pump device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09303292A JPH09303292A (en) | 1997-11-25 |
| JP3462004B2 true JP3462004B2 (en) | 2003-11-05 |
Family
ID=14707192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11725396A Expired - Fee Related JP3462004B2 (en) | 1996-05-13 | 1996-05-13 | EV heating circulation pump device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3462004B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6059984B2 (en) * | 2010-04-12 | 2017-01-11 | 株式会社ヴァレオジャパン | Electric heating heater core for vehicle air conditioning and vehicle air conditioner having the same |
| EP2440004B1 (en) * | 2010-10-08 | 2015-02-25 | Eberspächer catem GmbH & Co. KG | Electric heating device |
| JP5752830B1 (en) * | 2014-04-23 | 2015-07-22 | 株式会社ジャパンエコテック | Small pump |
| KR102587588B1 (en) * | 2017-02-07 | 2023-10-11 | 한온시스템 주식회사 | Coolant heater |
-
1996
- 1996-05-13 JP JP11725396A patent/JP3462004B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09303292A (en) | 1997-11-25 |
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