JPS60175753A - Ceramic built-in type piston - Google Patents
Ceramic built-in type pistonInfo
- Publication number
- JPS60175753A JPS60175753A JP3126384A JP3126384A JPS60175753A JP S60175753 A JPS60175753 A JP S60175753A JP 3126384 A JP3126384 A JP 3126384A JP 3126384 A JP3126384 A JP 3126384A JP S60175753 A JPS60175753 A JP S60175753A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- ceramic
- head
- metal
- piston head
- 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.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 52
- 229910052751 metal Inorganic materials 0.000 claims description 56
- 239000002184 metal Substances 0.000 claims description 56
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- -1 SiC Chemical class 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000007721 mold pressing method Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000011226 reinforced ceramic Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0085—Materials for constructing engines or their parts
- F02F7/0087—Ceramic materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/10—Pistons having surface coverings
- F02F3/12—Pistons having surface coverings on piston heads
- F02F3/14—Pistons having surface coverings on piston heads within combustion chambers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Ceramic Products (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、セラミック組込型ピストンに関するもので、
さらに詳しくはセラミック製ピストンヘソドの側面に金
属製リングを係合して、金属製リングと金属製ピストン
本体部とをネジで締結した内燃機関用ピストンに関する
ものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a ceramic-integrated piston,
More specifically, the present invention relates to a piston for an internal combustion engine in which a metal ring is engaged with a side surface of a ceramic piston head and the metal ring and a metal piston body are fastened together with a screw.
近年、内燃機関のピストンにおいては、ピストンヘッド
と金属製ピストン本体とをそれぞれ別体に形成し、ピス
トンヘッドとして耐熱性があり、熱伝導率の低いセラミ
ックスを用い、金属製ピストン本体と一体に係合させる
ことにより、燃焼効率を向上させ、出力を向上させると
ともにハイドロカーボン、−酸化炭素等の排出量の低減
や燃費の減少を図る試みがなされている。In recent years, in internal combustion engine pistons, the piston head and the metal piston body are formed separately, and the piston head is made of ceramics that are heat resistant and have low thermal conductivity, and are integrated with the metal piston body. Attempts have been made to improve combustion efficiency, increase output, and reduce emissions of hydrocarbons, carbon oxides, etc., as well as fuel efficiency.
このセラミック製のピストンヘッド（以下、単にセラミ
ックヘッドともいう。）を金属製ピストン本体に係合す
る方法はいくつか提案されているが、金属製ビストン本
体との固着を容易にするため、セラミックヘッドの構造
を複雑なものとせざるを得す、セラミック本来の難加工
性のため製作が困狸になるという実用上の問題点があっ
た。またセラミックヘッド上部の四部が非対称形状であ
ったり、バルブ穴を有する場合にあっては金属製ピスト
ン本体との位置ぎめが容易に行えない欠点があった。Several methods have been proposed for engaging this ceramic piston head (hereinafter simply referred to as ceramic head) with a metal piston body, but in order to make it easier to attach the ceramic piston head to the metal piston body, There were practical problems in that the structure had to be complicated, and the inherent difficulty of processing ceramics made it difficult to manufacture. Furthermore, if the four upper parts of the ceramic head have an asymmetrical shape or have a valve hole, there is a drawback that positioning with the metal piston body cannot be easily performed.
本発明の目的は、従来のものに見られた前記の諸欠点を
解消することであり、金属製ピストン本体に係合するセ
ラミックヘッドの形状を簡単にし、金属製ピストン本体
とセラミックヘッドを強固に固着することにある。The purpose of the present invention is to eliminate the above-mentioned drawbacks found in the conventional piston body, and to simplify the shape of the ceramic head that engages with the metal piston body, and to strengthen the metal piston body and the ceramic head. It's about sticking.
本発明の別の目的は、セラミックヘッドと金属製ピスト
ン本体の固着に際しての位置ぎめを、より簡単に行うこ
とである。Another object of the present invention is to more easily position the ceramic head and the metal piston body when they are fixed together.
本発明のセラミック組込型ピストンは、セラミックより
なるピストンヘッドの側面に金属製リングを係合して、
金属製リングと金属製ピストン本体とをネジで締結する
ことによりセラミックよりなるピストンヘッドを金属製
ピストン本体に固着したものである。The ceramic built-in piston of the present invention has a metal ring engaged with the side surface of a piston head made of ceramic,
A ceramic piston head is fixed to a metal piston body by fastening a metal ring and a metal piston body with screws.
本発明のピストンヘッドを構成するセラミック材料とし
てば、Ａｌ２Ｏ３、ｚｒ０２、ＭｇＡ１．０４の様な酸
化物、ＳｉＣ、、Ｂ４Ｃ、、ＴｉＣの様な炭化物、Ｓｉ
３Ｎ４、ＡＩＮ 、 ＴｉＮの様な窒化物、サイアロン
等の酸窒化物の他ＦＲＣ（繊維強化セラミック）等の複
合材料、コージェライト、グラスセラミックス等がある
。Ceramic materials constituting the piston head of the present invention include oxides such as Al2O3, zr02, and MgA1.04, carbides such as SiC, B4C, and TiC, and Si
In addition to nitrides such as 3N4, AIN, and TiN, and oxynitrides such as Sialon, there are composite materials such as FRC (fiber reinforced ceramic), cordierite, and glass ceramics.
本発明のセラミックヘッドは、金型プレス法、スリップ
キャスト法、射出成形法等のセラミック成形の常法によ
り成形する。このうち特にスリップキャスト法と射出成
形法は、最終形状に近い成形体が得られるため有利であ
る。これらの成形方法により得られた成形体を、必要に
より仮焼して、本発明の金属製リングが嵌まり合う形状
に機械加工したのち、本焼成し、仕上げ加工を行い、セ
ラミックヘッドを形成する。The ceramic head of the present invention is molded by a conventional ceramic molding method such as a mold pressing method, a slip casting method, or an injection molding method. Among these methods, the slip casting method and the injection molding method are particularly advantageous because they yield a molded article with a shape close to the final shape. The molded body obtained by these molding methods is calcined if necessary, machined into a shape into which the metal ring of the present invention fits, and then main fired and finished to form a ceramic head. .
金属製ピストン本体は、アルミ合金等の軽合金よりなり
、鋳込み成形後、外周面、ピストンリングが嵌合する溝
、本発明のセラミックヘッド、金属製リングが嵌まり合
う部分等を機械加工する。The metal piston body is made of a light alloy such as an aluminum alloy, and after casting, the outer peripheral surface, the groove into which the piston ring fits, the ceramic head of the present invention, the portion into which the metal ring fits, etc. are machined.
本発明のさらに詳しい構成を図示の実施例にもとすいて
説明する。A more detailed configuration of the present invention will be explained based on the illustrated embodiment.
第１図〜第９図は、本発明のセラミック組込型ピストン
を示し、セラミックヘッド１０側部に金属製リング２が
嵌め合わされ、セラミックヘッド１と金属製ピストン本
体３とが金属製リング２を介してネジ４で締結されてい
る。1 to 9 show a ceramic built-in piston of the present invention, in which a metal ring 2 is fitted to the side of a ceramic head 10, and the ceramic head 1 and the metal piston body 3 are fitted with the metal ring 2. They are fastened with screws 4 through the connectors.
第１図、第３図、第６図および第８図は、セラミックヘ
ッド１と金属製ピストン本体との間に回り止めピン６を
設けた例を示している。回り止めピン６は、セラミック
ヘッド１と金属製ピストン本体とが、回転により緩むこ
とを防ぐ働きをする。FIGS. 1, 3, 6, and 8 show examples in which a locking pin 6 is provided between the ceramic head 1 and the metal piston body. The rotation stopper pin 6 functions to prevent the ceramic head 1 and the metal piston body from loosening due to rotation.
ピンの形状はその断面が円状、円筒状、楕円状等の物が
使用される。ピンの材質は、セラミックヘッドと同材質
のセラミックの他、耐熱性を有するセラミック、あるい
は耐熱性を有する金属が使用される。The shape of the pin used is circular, cylindrical, elliptical, etc. in cross section. As the material of the pin, in addition to the same ceramic as the ceramic head, a heat-resistant ceramic or a heat-resistant metal is used.
金属リング２は、セラミックヘッドの外周切欠き部、あ
るいは外周溝に嵌め込まれる。第１図、第３図および第
８図は、金属リング２をセラミ・ツクヘッド１の外周切
欠き部に嵌め込んだ例を示し、第６図は、セラミックヘ
ッド１の外周溝に分割して嵌め込んだ例を示している。The metal ring 2 is fitted into an outer peripheral notch or an outer peripheral groove of the ceramic head. 1, 3 and 8 show examples in which the metal ring 2 is fitted into the outer peripheral notch of the ceramic head 1, and FIG. 6 shows an example in which the metal ring 2 is fitted into the outer peripheral groove of the ceramic head 1. A detailed example is shown.
第７図には分割した金属リングが示され、７はその分割
面を示している。FIG. 7 shows a divided metal ring, and 7 indicates the dividing plane.
金属製リング２とセラミックヘッド１との嵌合は、一体
もしくは分割した金属製リング２をセラミックヘッド１
の回りに単に挿入するだけでもよいが、セラミックヘッ
ド１が一体の金属製リング２を挿入できる形状であれば
、セラミックヘッド１を液体窒素を冷媒として冷却後、
常温下におかれた金属リング２を嵌め合わせる冷し嵌め
法、あるいは金属リング２を加熱して常温下におかれた
セラミックヘッド１と嵌め合わせる焼き嵌め法にて行う
ことも可能である。The fitting between the metal ring 2 and the ceramic head 1 is as follows:
If the ceramic head 1 has a shape that allows the insertion of the integrated metal ring 2, after cooling the ceramic head 1 using liquid nitrogen as a coolant,
It is also possible to use a cold fitting method in which the metal ring 2 placed at room temperature is fitted together, or a shrink fitting method in which the metal ring 2 is heated and fitted to the ceramic head 1 placed at room temperature.
セラミックヘッド１と金属リング２との嵌合形状は、第
１図、第２図、第６図および第７図に示すように金属製
リング２の最小内径が、セラミックヘッド１の最大外径
より小さいもの、あるいは第３図〜第５図に示すように
該セラミックヘッド１の外上方形状が内側に傾斜してお
り、該金属リング２の内上方が前記傾斜に沿う形状のも
の、さらには第８図、第９図に示すように傾斜部と段付
き部を組合わせたもの等が採用可能である。セラミンク
ヘッド１の機械加工は、いずれも外周加工のためいたっ
て簡単である。The fitting shape of the ceramic head 1 and the metal ring 2 is such that the minimum inner diameter of the metal ring 2 is larger than the maximum outer diameter of the ceramic head 1, as shown in FIGS. 1, 2, 6, and 7. A small one, or one in which the upper outer shape of the ceramic head 1 slopes inward as shown in FIGS. 3 to 5, and the upper inner shape of the metal ring 2 follows the inclination, and As shown in FIGS. 8 and 9, a combination of an inclined portion and a stepped portion can be adopted. The machining of the ceramic head 1 is extremely simple since it involves machining the outer periphery.
ネジ４の締結は、ピストンの軸方向、あるいはピストン
の軸方向とは直角方向から成される。第１図、第２図、
および第６図〜第９図は、ネジ４がピストンの軸方向と
は直角方向から締結される例を示し、第３図〜第５図は
、ネジ４がピストンの軸方向から締結される例を示して
いる。The screw 4 is fastened in the axial direction of the piston or in a direction perpendicular to the axial direction of the piston. Figure 1, Figure 2,
6 to 9 show examples in which the screw 4 is fastened in a direction perpendicular to the axial direction of the piston, and FIGS. 3 to 5 show examples in which the screw 4 is fastened in the axial direction of the piston. It shows.
ネジ４の締結は、セラミックヘッドの周囲に設けられた
リングキャリアー５を介して行ってもよい。第３図〜第
５図は、リングキャリアー５を用いて締結した例を示し
ている。リングキャリアー５を用いた場合には締結効果
はさらに大きなものとなる。リングキャリアー５は、そ
の詳細を第４図に示すように、概ね円環状をなし、その
外径がピストン本体３の外径と同一で、複数のネジ穴と
鋳込み金属が貫流する複数の穴とが設けられている。こ
のリングキャリアー５は、金属製ピストン本体３の外周
部のネジ部を補強する働きをする。The screw 4 may be fastened via a ring carrier 5 provided around the ceramic head. 3 to 5 show examples of fastening using the ring carrier 5. When the ring carrier 5 is used, the fastening effect will be even greater. As shown in FIG. 4 in detail, the ring carrier 5 has a generally annular shape, the outer diameter of which is the same as the outer diameter of the piston body 3, and a plurality of screw holes and a plurality of holes through which the cast metal flows. is provided. This ring carrier 5 serves to reinforce the threaded portion on the outer periphery of the metal piston body 3.
セラミックヘッド１の上部の形状は、金属製ピストン本
体３に収容される場合と金属製ピストン本体３の上部を
覆う場合とがある。第１図〜第５図、第８図および第９
図は、セラミックヘッド１が金属製ピストン本体３の凹
部に嵌り込み、上部が金属製ピストン本体３の外形より
小さい形状の例であり、第６図、第７図は、セラミック
ヘッド１が金属製ピストン本体３の上部を覆い、金属製
ピストン本体３の外径と実質的に同じにした例を示して
いる。後者にあっては、セラミックを利用した時の断熱
効果をより一層高めることができる。The shape of the upper part of the ceramic head 1 may be accommodated in the metal piston body 3 or cover the upper part of the metal piston body 3. Figures 1 to 5, Figures 8 and 9
The figure shows an example in which the ceramic head 1 fits into the recess of the metal piston body 3, and the upper part is smaller than the outer shape of the metal piston body 3. An example is shown in which the upper part of the piston body 3 is covered and the outer diameter is made substantially the same as the outer diameter of the metal piston body 3. In the latter case, the heat insulation effect can be further enhanced when ceramic is used.
以上、詳細に述べたように、本発明のセラミック組込型
ピストンは、セラミックヘッドの側部に金属製リングを
係合し、該金属製リングと金属製ピストン本体とをネジ
で締結することにより位置ぎめが極めて容易で、強固に
固着したピストンとすることができた。さらに、セラミ
ックヘッドの形状が簡単で、焼成後の加工が少ないので
安価になり、産業上有用である。As described above in detail, the ceramic-integrated piston of the present invention is produced by engaging a metal ring on the side of the ceramic head and fastening the metal ring and the metal piston body with screws. The piston was extremely easy to position and firmly fixed. Furthermore, the ceramic head has a simple shape and requires less processing after firing, making it inexpensive and industrially useful.
第１図〜第９図は本発明のセラミックス組み込み型ピス
トンの実施例の断面図であり、第２図ば第１図のＩＩ−
ＩＩ矢視断面図、第４図は第３図のＩＶ −ＩＶ矢視断
面図、第７図は第６図のνＩＩ −ＶＩＩ矢視断面図、
第９図は第８図のＩＸ −ＴＸ矢視断面図、第５図は第
３図の平面図である。
１・・セラミックヘッド
２・・金属製リング
３・・金属製ピストン本体
４・・ネジ
５・・リングキャリアー
６・・回り止めピン
７・・分割面
Ｏ
第１図
第２図
第３図
第４図 萌５図
給 ６ 図
第 ８ 図
第 ９ 図FIGS. 1 to 9 are cross-sectional views of embodiments of the ceramic-embedded piston of the present invention, and FIG.
4 is a sectional view taken along IV-IV in FIG. 3, FIG. 7 is a sectional view taken along νII-VII in FIG. 6,
9 is a sectional view taken along the line IX-TX in FIG. 8, and FIG. 5 is a plan view of FIG. 3. 1...Ceramic head 2...Metal ring 3...Metal piston body 4...Screw 5...Ring carrier 6...Stopping pin 7...Dividing surface O Fig. 1 Fig. 2 Fig. 3 Fig. 4 Figure Moe 5 Figure 6 Figure 8 Figure 9
Claims (9)
属製リングを係合して、該金属製リングと金属製ピスト
ン本体とをネジで締結することによりセラミックよりな
るピストンヘッドを金属製ピストン本体に固着したこと
を特徴とするセラミック組込型ピストン。(1) The ceramic piston head is fixed to the metal piston body by engaging a metal ring with the side surface of the ceramic piston head and fastening the metal ring and the metal piston body with screws. A ceramic built-in piston characterized by:
転を回り止めにより拘束した特許請求の範囲第１項記載
のセラミック組込型ピストン。(2) The ceramic built-in piston according to claim 1, wherein rotation of the piston head and the metal piston body is restrained by a rotation stopper.
ドの最大外形より小さい特許請求の範囲第１項記載のセ
ラミック組込型ピストン。(3) The ceramic-integrated piston according to claim 1, wherein the minimum inner diameter of the metal ring is smaller than the maximum outer diameter of the piston head.
外周溝に嵌込まれている特許請求の範囲第１項または第
３項記載のセラミック組込型ピストン。(4) The ceramic-integrated piston according to claim 1 or 3, wherein the metal ring is fitted into an outer circumferential groove provided in the piston head.
外周切欠き部に嵌込まれている特許請求の範囲第１項ま
たは第３項記載のセラミック組込型ピストン。・(5) The ceramic built-in piston according to claim 1 or 3, wherein the metal ring is fitted into an outer peripheral notch provided in the piston head.・
おり、該金属製リングの内上方が前記傾斜に沿う形状を
有する特許請求の範囲第１項記載のセラミック組込型ピ
ストン。(6) The ceramic-integrated piston according to claim 1, wherein the outer upper part of the piston head is inclined inwardly, and the inner upper part of the metal ring has a shape that follows the inclination.
ている特許請求の範囲第１項ないし第６項いずれかに記
載のセラミック組込型ピストン。(7) A ceramic-integrated piston according to any one of claims 1 to 6, wherein the screw is fastened in a direction perpendicular to the axis of the piston.
る特許請求の範囲第１項ないし第６項いずれかに記載の
セラミック組込型ピストン。(8) A ceramic-integrated piston according to any one of claims 1 to 6, wherein the screw is fastened in the axial direction of the piston.
れたリングキャリアーを介して行われる特許請求の範囲
第８項記載の内燃機関用ピストン。(9) The piston for an internal combustion engine according to claim 8, wherein the screw is fastened via a ring carrier provided around the ceramic head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3126384A JPS60175753A (en) | 1984-02-20 | 1984-02-20 | Ceramic built-in type piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3126384A JPS60175753A (en) | 1984-02-20 | 1984-02-20 | Ceramic built-in type piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60175753A true JPS60175753A (en) | 1985-09-09 |
Family
ID=12326454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3126384A Pending JPS60175753A (en) | 1984-02-20 | 1984-02-20 | Ceramic built-in type piston |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60175753A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005061060A1 (en) * | 2005-12-21 | 2007-06-28 | Mahle International Gmbh | Piston for internal combustion engine has cavity wall consisting of reinforcement ring formed from oxidation-resistant material of low thermal conductivity |
| USD726224S1 (en) | 2013-03-15 | 2015-04-07 | S.P.M. Flow Control, Inc. | Plunger pump thru rod |
| USD791192S1 (en) | 2014-07-25 | 2017-07-04 | S.P.M. Flow Control, Inc. | Power end frame segment |
| US9695812B2 (en) | 2013-03-15 | 2017-07-04 | S.P.M. Flow Control, Inc. | Reciprocating pump assembly |
| USD791193S1 (en) | 2015-07-24 | 2017-07-04 | S.P.M. Flow Control, Inc. | Power end frame segment |
| US10316832B2 (en) | 2014-06-27 | 2019-06-11 | S.P.M. Flow Control, Inc. | Pump drivetrain damper system and control systems and methods for same |
| US10352321B2 (en) | 2014-12-22 | 2019-07-16 | S.P.M. Flow Control, Inc. | Reciprocating pump with dual circuit power end lubrication system |
| US10436766B1 (en) | 2015-10-12 | 2019-10-08 | S.P.M. Flow Control, Inc. | Monitoring lubricant in hydraulic fracturing pump system |
| CN111550325A (en) * | 2020-05-29 | 2020-08-18 | 滨州渤海活塞有限公司 | High-strength light internal combustion engine piston |
-
1984
- 1984-02-20 JP JP3126384A patent/JPS60175753A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005061060A1 (en) * | 2005-12-21 | 2007-06-28 | Mahle International Gmbh | Piston for internal combustion engine has cavity wall consisting of reinforcement ring formed from oxidation-resistant material of low thermal conductivity |
| USD726224S1 (en) | 2013-03-15 | 2015-04-07 | S.P.M. Flow Control, Inc. | Plunger pump thru rod |
| US9695812B2 (en) | 2013-03-15 | 2017-07-04 | S.P.M. Flow Control, Inc. | Reciprocating pump assembly |
| US10316832B2 (en) | 2014-06-27 | 2019-06-11 | S.P.M. Flow Control, Inc. | Pump drivetrain damper system and control systems and methods for same |
| US11181101B2 (en) | 2014-06-27 | 2021-11-23 | Spm Oil & Gas Inc. | Pump drivetrain damper system and control systems and methods for same |
| US11204030B2 (en) | 2014-07-25 | 2021-12-21 | Spm Oil & Gas Inc. | Support for reciprocating pump |
| US10087992B2 (en) | 2014-07-25 | 2018-10-02 | S.P.M. Flow Control, Inc. | Bearing system for reciprocating pump and method of assembly |
| US9879659B2 (en) | 2014-07-25 | 2018-01-30 | S.P.M. Flow Control, Inc. | Support for reciprocating pump |
| US10393182B2 (en) | 2014-07-25 | 2019-08-27 | S.P.M. Flow Control, Inc. | Power end frame assembly for reciprocating pump |
| US11746775B2 (en) | 2014-07-25 | 2023-09-05 | Spm Oil & Gas Inc. | Bearing system for reciprocating pump and method of assembly |
| USD791192S1 (en) | 2014-07-25 | 2017-07-04 | S.P.M. Flow Control, Inc. | Power end frame segment |
| US10520037B2 (en) | 2014-07-25 | 2019-12-31 | S.P.M. Flow Control, Inc. | Support for reciprocating pump |
| US10677244B2 (en) | 2014-07-25 | 2020-06-09 | S.P.M. Flow Control, Inc. | System and method for reinforcing reciprocating pump |
| US11898553B2 (en) | 2014-07-25 | 2024-02-13 | Spm Oil & Gas Inc. | Power end frame assembly for reciprocating pump |
| US10352321B2 (en) | 2014-12-22 | 2019-07-16 | S.P.M. Flow Control, Inc. | Reciprocating pump with dual circuit power end lubrication system |
| US11421682B2 (en) | 2014-12-22 | 2022-08-23 | Spm Oil & Gas Inc. | Reciprocating pump with dual circuit power end lubrication system |
| USD791193S1 (en) | 2015-07-24 | 2017-07-04 | S.P.M. Flow Control, Inc. | Power end frame segment |
| USD870157S1 (en) | 2015-07-24 | 2019-12-17 | S.P.M. Flow Control, Inc. | Power end frame segment |
| USD870156S1 (en) | 2015-07-24 | 2019-12-17 | S.P.M. Flow Control, Inc. | Power end frame segment |
| US10436766B1 (en) | 2015-10-12 | 2019-10-08 | S.P.M. Flow Control, Inc. | Monitoring lubricant in hydraulic fracturing pump system |
| CN111550325A (en) * | 2020-05-29 | 2020-08-18 | 滨州渤海活塞有限公司 | High-strength light internal combustion engine piston |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4887518A (en) | Internal combustion engine piston with threaded ceramic piston head | |
| EP0587802B1 (en) | Improved internal combustion engine cylinder heads and similar articles of manufacture and methods of manufacturing same | |
| US4736676A (en) | Composite piston | |
| CA2068097A1 (en) | Lightweight composite engine valve | |
| US4742759A (en) | Ceramic insert cast piston | |
| JPS60175753A (en) | Ceramic built-in type piston | |
| JPS6460784A (en) | Enclosed motor compressor | |
| CA1249751A (en) | Composite ceramic metal assembly and method of making | |
| US4709621A (en) | Internal combustion engine piston and a method of producing the same | |
| JPS5825552A (en) | Assembled body of piston | |
| US4908256A (en) | Ceramic-metal composite bodies | |
| EP0430419B1 (en) | Heat-insulating engine with swirl chamber | |
| US4741253A (en) | Piston for internal combustion engines | |
| CA1078274A (en) | Insulated composite piston | |
| JPS60175749A (en) | Piston for internal-combustion engine | |
| JPH0357818A (en) | Heat insulating structure of subchamber | |
| JPH02104950A (en) | internal combustion engine piston | |
| JP2560422B2 (en) | Structure of adiabatic piston | |
| JPS6321024B2 (en) | ||
| JPH02112613A (en) | Structure for subcombustion chamber | |
| JPS59170444A (en) | Ceramic engine | |
| GB1588516A (en) | Pistons | |
| JPS60175752A (en) | Engine parts of zirconia-aluminum alloy composite body | |
| JPS5819325Y2 (en) | Internal combustion engine piston head member | |
| JPH0118821Y2 (en) |