IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0057545
(2002-01-23)
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발명자
/ 주소 |
- Liu, Zhengbai
- Gui, Xinqun
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출원인 / 주소 |
- International Engine Intellectual Property Company, LLC
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
8 인용 특허 :
10 |
초록
▼
A combustion chamber assembly for use in a diesel engine includes a combustion chamber defined in a crown of a piston, the combustion chamber having a center portion, the center portion being defined at least in part by a portion of a convex sphere, the sphere having a radius and an origin, the orig
A combustion chamber assembly for use in a diesel engine includes a combustion chamber defined in a crown of a piston, the combustion chamber having a center portion, the center portion being defined at least in part by a portion of a convex sphere, the sphere having a radius and an origin, the origin of the radius lying on a piston central axis and the combustion chamber further having an outwardly radially disposed bottom margin, the bottom margin being defined in part by a portion of an annulus, the annulus having a radius and an origin. The combustion chamber further has a plurality of curved surfaces having smooth transitions between adjacent smooth surfaces, the smooth surfaces including the spherical center portion and the annular bottom margin. A piston incorporating the aforementioned combustion chamber and a method of forming the combustion chamber are further included.
대표청구항
▼
A combustion chamber assembly for use in a diesel engine includes a combustion chamber defined in a crown of a piston, the combustion chamber having a center portion, the center portion being defined at least in part by a portion of a convex sphere, the sphere having a radius and an origin, the orig
A combustion chamber assembly for use in a diesel engine includes a combustion chamber defined in a crown of a piston, the combustion chamber having a center portion, the center portion being defined at least in part by a portion of a convex sphere, the sphere having a radius and an origin, the origin of the radius lying on a piston central axis and the combustion chamber further having an outwardly radially disposed bottom margin, the bottom margin being defined in part by a portion of an annulus, the annulus having a radius and an origin. The combustion chamber further has a plurality of curved surfaces having smooth transitions between adjacent smooth surfaces, the smooth surfaces including the spherical center portion and the annular bottom margin. A piston incorporating the aforementioned combustion chamber and a method of forming the combustion chamber are further included. posite wire ends of said coil being connected respectively to said second end regions. 2. An electromagnetic relay as set forth in claim 1, wherein each of said coil terminals is further provided with an intermediate length extending between said first and second end regions, said intermediate length being closely embedded in and integrally fixed to said bobbin.3. An electromagnetic relay as set forth in claim 1, wherein said coil terminals have lengths different from each other.4. An electromagnetic relay as set forth in claim 1, wherein said second end regions of said coil terminals extend in respective orientations opposite to each other in relation to corresponding first end regions.5. An electromagnetic relay as set forth in claim 1, wherein said first and second end regions of said coil terminals extend in respective directions orthogonal to each other.6. An electromagnetic relay as set forth in claim 1, wherein said contact section includes a fixed contact plate and a movable contact plate; said fixed contact plate and said movable contact plate being provided respectively with end regions extending in a direction transverse to said center axis of said coil to project outward from said base; said end regions of said fixed and movable contact plates being arranged side-by-side in a row extending substantially parallel to said center axis and aligned to said row of said first end regions of said coil terminals.7. An electromagnetic relay as set forth in claim 1, wherein said electromagnet further includes an iron core received in said bobbin and disposed along said center axis of said coil, and wherein said electromagnetic relay further comprises a yoke securely joined to said iron core to form a magnetic path around said coil; said yoke being provided with a protrusion tightly engaged with said base; said electromagnet being fixedly mounted to said base through an interengagement of said protrusion with said base in a press-fitting manner.8. An electromagnetic relay comprising: an electromagnet including a bobbin, a coil having a center axis and carried on said bobbin, and a pair of coil terminals mounted to said bobbin; each of said coil terminals being provided with a first end region and a second end region, extending in respective directions transverse to each other; said coil terminals being disposed in such a manner that respective first end regions extend in a direction transverse to said center axis of said coil to project outward from said bobbin and are arranged side-by-side in a row extending substantially parallel to said center axis, and that respective second end regions extend in a direction parallel to said center axis of said coil to project outward from said bobbin and are arranged side-by-side in a row extending substantially transverse to said center axis; opposite wire ends of said coil being connected respectively to said second end regions. bining logic circuitry and; a fine analogue to digital converter ( 6); wherein the circuit is characterised by a voltage to current converter ( 7; R1) connected to the output of the sample and hold circuit ( 1); and to means for subtracting in the current domain having its inputs connected to the—current converter and to the digital to analogue converter; means for summing at a virtual earth node ( 9); and means for converting the output current of the substracting means to a current to voltage ( 10; R2) at the input to the fine analogue to digital converter (6).2. A circuit according to claim 1 wherein the means for subtracting comprises a current digital to analogue converter (3).3. A circuit according to claim 2 wherein the current digital to analogue converter (3) comprises a matched unit current cell.4. A circuit according to claim 1 wherein the fine analogue to digital converter (6) further comprises a resistor (R3) matched to the means for converting current to voltage (R2).5. A circuit according to claim 4 wherein the fine analogue to digital converter (6) further comprises a current source matched to the current to the digital to analogue converter (3).6. A circuit according to claim 1 comprising a plurality of pairs of voltage to current (7A;7B) and current to voltage (10A;10B) converters connected in cascade formation, arranged such that the ladder of the second analogue to digital converter drives a further series of matched current sources.7. A circuit according to claim 1 further comprising a plurality of sample and hold circuits (1) are provided.8. A circuit according to claim 1 wherein the current to voltage converter (10) comprises a virtual earth input node (12).9. A circuit according to claim 1 wherein the current to voltage converter (R2) comprises a resistor and an operational amplifier (5).10. A circuit according to claim 1 comprising a cascade arrangement of the voltage to current and the current to voltage sections with matched resistors and the current sources (11A;11B) matched to the current digital too analogue converters (3A) to the first (3B) and second stages.11. A circuit according to claim 1 comprising MOST type transistors.12. A circuit according to claim 1 wherein at least one of the digital to analogue converters (3) comprises a pair of source coupled FETs (24,25) a transistor (20) and a load (22).
이 특허에 인용된 특허 (10)
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Hu Guodong (102 Xinhua Street Dalian CNX), Combustion chamber assembly of direct injection diesel engines.
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Komiyama Kunihiko (Oyama JPX) Kanai Seikichi (Oyama JPX) Okada Masaru (Oyama JPX), Combustion chamber for an internal combustion engine of direct injection type.
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Warwick Michael J. ; Patten James W. ; Myers Martin R. ; Becker Paul C. ; Chen Yong Ching, Combustion face insert.
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Mahakul Budhadeb ; Bolis David A. ; Crane George E., Deep angle injection nozzle and piston having complementary combustion bowl.
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Banba Tosio (Takatsuki JPX) Morichika Katsuyuki (Itami JPX) Nakanishi Tetsuya (Kawanishi JPX), Direct injection type diesel engine.
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Hunter Charles E. (Belleville MI) Cikanek Harry A. (Northville MI), In-cylinder control of particulates and nitric oxide for diesel engine.
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Regueiro Jose F. (Rochester Hills MI), Open chamber diesel engine having a piston with recesses therein.
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Daxer Georg (Sao Paulo BRX) Leites Jose (Sao Paulo BRX), Piston with a reinforcing insert.
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Diggs Matthew B. (Farmington MI), Rocker arm assembly for an internal combustion engine.
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Moriyasu Takeshi (Joyo JPX) Isomoto Jun (Kyoto JPX) Nakagami Tatsuro (Kyoto JPX) Takahashi Hiroo (Mukoo JPX) Maeda Takuo (Kyoto JPX), Structure of combustion chamber in diesel engine.
이 특허를 인용한 특허 (8)
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Liu,Zhengbai, Diesel combustion chamber.
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Nishimoto, Toshiaki; Yamakawa, Masahisa; Youso, Takashi; Fujikawa, Tatsuya, Internal combustion engine.
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Wickman,David D.; Chang,Shengming; Diwakar,Ramachandra, Low emissions diesel piston.
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Lippert,Andreas M.; Drake,Michael C.; Zeng,Yangbing, Method and apparatus for a spark-ignited direct injection engine.
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Grössle, Alexander; Hoch, Thomas, Piston for an internal combustion engine and method for its production.
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Easley, William L.; Pierpont, David A.; Venkatasubramaniam, Karthikeyan C.; Timmons, John P., Piston having combustion bowl shaped to balance combustion efficiency and emission properties.
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Karch, Aaron; Pierpont, David A.; Lang, Daniel; Subatch, James A., Piston having combustion bowl shaped to balance combustion efficiency and emission properties.
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Eismark, Jan; Balthasar, Michaell, Piston positioned for reciprocal movement in a combustion engine cylinder.
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