TWM557302U - 高效型內燃機 - Google Patents

高效型內燃機 Download PDF

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Publication number
TWM557302U
TWM557302U TW106215377U TW106215377U TWM557302U TW M557302 U TWM557302 U TW M557302U TW 106215377 U TW106215377 U TW 106215377U TW 106215377 U TW106215377 U TW 106215377U TW M557302 U TWM557302 U TW M557302U
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Taiwan
Prior art keywords
chamber
internal combustion
combustion engine
cylinder chambers
cylinder
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TW106215377U
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English (en)
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Jia-jun ZHENG
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Zheng Jia Jun
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Priority to TW106215377U priority Critical patent/TWM557302U/zh
Publication of TWM557302U publication Critical patent/TWM557302U/zh
Priority to DE202018105989.0U priority patent/DE202018105989U1/de
Priority to US16/165,246 priority patent/US10626792B2/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/16Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18Multi-cylinder engines
    • F02B75/24Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01BMACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B1/00Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements
    • F01B1/08Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements with cylinders arranged oppositely relative to main shaft and of "flat" type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/04Pressure lubrication using pressure in working cylinder or crankcase to operate lubricant feeding devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M3/00Lubrication specially adapted for engines with crankcase compression of fuel-air mixture or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B33/00Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/04Engines with reciprocating-piston pumps; Engines with crankcase pumps with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B33/00Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/28Component parts, details or accessories of crankcase pumps, not provided for in, or of interest apart from, subgroups F02B33/02 - F02B33/26
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/16Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18Multi-cylinder engines
    • F02B75/1896Multi-cylinder engines with two or more pistons connected to one crank and having a common combustion space
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00Cylinders; Cylinder heads 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00Casings, e.g. crankcases or frames
    • F02F7/0002Cylinder arrangements
    • F02F7/0009Crankcases of opposed piston engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10242Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10255Arrangements of valves; Multi-way valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/02Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

本創作係關於一種高效型內燃機,此高效型內燃機包括一曲軸室、二汽缸室、一曲軸連桿機構、一進氣管、二導流管及一逆止氣閥組件,曲軸連桿機構安裝於曲軸室;各活塞連接於曲軸連桿機構且容置於各汽缸室;進氣管僅連通於曲軸室;每一導流管一端僅連通於曲軸室及另一端僅連通於各汽缸室;逆止氣閥組件包含一逆止氣閥及二第一開關閥,逆止氣閥安裝於進氣管與曲軸室的交接處:各第一開關閥安裝於各導流管與各汽缸室的交接處。藉此,以提升高效型內燃機之動力效率。

Description

高效型內燃機
本創作是有關於一種內燃機結構,且特別是有關於一種高效型內燃機。
內燃機(Internal combustion engine,ICE),由進氣管導引外部空氣進入燃燒室,再利用燃油混合空氣於燃燒室內燃燒爆炸,氣體受熱膨脹,通過機械裝置轉化為機械能對外做功,從而將燃料的化學能轉化機械能。目前,車輛、船舶、飛機等的發動原理皆廣泛運用內燃機。
其中,往復活塞式內燃機分為進氣、壓縮、做功、排氣共四個過程,通過四個衝程(即活塞從氣缸的一端移動向另一端)完成上述進氣、壓縮、做功、排氣循環即稱作四衝程循環,通過兩個衝程完成上述進氣、壓縮、做功、排氣循環即稱作至少二衝程循環。
然而,在相同排氣量下,四衝程循環內燃機所產生的動力大約只有至少二衝程循環內燃機的至少二分之一,但因四衝程循環內燃機中排氣與進氣分開動作,以避免未燃的氣體排出外部,所以四衝程循環內燃機不易浪費燃料及污染空氣,對於現代環保綠能之要求較具優勢。因此,如何提高四衝程循環內燃機之動力效率,是業者亟欲研發之重點。
有鑑於此,本創作人遂針對上述現有技術,特潛心研究並配合學理的運用,盡力解決上述之問題點,即成為本創作人改良之目標。
本創作提供一種高效型內燃機,其係利用完全壓縮曲軸室時,則二個汽缸室的吸氣量會填充在一個汽缸室內部,使汽缸室之爆炸行程能產生更大的爆炸衝力,進而提升高效型內燃機之動力效率。
於本創作實施例中,本創作係提供一種高效型內燃機,包括:一曲軸室;至少二汽缸室;一曲軸連桿機構,安裝於該曲軸室;至少二活塞,分別連接於該曲軸連桿機構且容置於各該汽缸室;一進氣管,僅連通於該曲軸室;至少二導流管,每一該導流管一端僅連通於該曲軸室及另一端僅連通於各該汽缸室;以及一逆止氣閥組件,包含:一逆止氣閥,安裝於該進氣管與該曲軸室的交接處:以及至少二第一開關閥,分別安裝於各該導流管與各該汽缸室的交接處。
基於上述,進氣管僅連通於曲軸室,每一導流管一端僅連通於曲軸室及另一端僅連通於各汽缸室,且進氣管組接於曲軸室的上側部,二導流管分別組接於曲軸室的下側部,使自進氣管進入的燃油、空氣及潤滑油都必須先經過曲軸室才能流至二導流管,讓燃油、空氣及潤滑油必須先均勻地潤滑曲軸連桿機構才能流至二導流管,以加強曲軸連桿機構之運作流暢度及使用壽命,同時燃油、空氣及潤滑油依序由進氣管、曲軸室、導流管至汽缸室之順序流動,能避免曲軸室、導流管或汽缸室內部發生亂流,以穩定高效型內燃機之運作效率。
10‧‧‧高效型內燃機
1‧‧‧曲軸室
11‧‧‧左側部
12‧‧‧右側部
13‧‧‧上側部
14‧‧‧下側部
2‧‧‧汽缸室
3‧‧‧曲軸連桿機構
31‧‧‧曲軸盤
32‧‧‧連桿
4‧‧‧活塞
5‧‧‧進氣管
51‧‧‧潤滑油噴嘴
6‧‧‧導流管
7‧‧‧火星塞
8‧‧‧排氣管
9‧‧‧逆止氣閥組件
91‧‧‧逆止氣閥
92‧‧‧第一開關閥
93‧‧‧第二開關閥
a1、a2、a3‧‧‧交接處
d‧‧‧移動方向
圖1係本創作高效型內燃機之第一使用狀態示意圖。
圖2係本創作高效型內燃機之第至少二使用狀態示意圖。
圖3係本創作高效型內燃機之第三使用狀態示意圖。
圖4係本創作高效型內燃機之第四使用狀態示意圖。
圖5係本創作高效型內燃機另一實施例之使用狀態示意圖。
有關本創作之詳細說明及技術內容,將配合圖式說明如下,然而所附圖式僅作為說明用途,並非用於侷限本創作。
請參考圖1至圖4所示,本創作係提供一種高效型內燃機,此高效型內燃機10主要包括一曲軸室1、至少二汽缸室2、一曲軸連桿機構3、至少二活塞4、一進氣管5、至少二導流管6、至少二火星塞7、至少二排氣管8及一逆止氣閥組件9。
曲軸室1具有一左側部11、一右側部12、一上側部13及一下側部14。其中,本實施例之汽缸室2、活塞4、導流管6、火星塞7及排氣管8的數量分別為二,但不以此為限制,其一汽缸室2組接於左側部11,另一汽缸室2組接於右側部12。
曲軸連桿機構3安裝於曲軸室1,詳細說明如下,曲軸連桿機構3包含一曲軸盤31及數量與汽缸室2相同的連桿32,曲軸盤31安裝於曲軸室1,每一連桿32一端連接於曲軸盤31及另一端穿置於各汽缸室2。
各活塞4連接於曲軸連桿機構3且容置於各汽缸室2,即每一活塞4連接於各連桿32且跟隨各連桿32往復移動於各汽缸室2。其中,曲軸室1與各汽缸室2被各活塞4所隔離,二活塞4共同朝接近曲軸室1的方向移動或共同朝遠離曲軸 室1的方向移動,且二活塞4的移動方向d呈平行配置,但不以此為限制,二活塞4的移動方向也可呈V字形或垂直配置。
進氣管5僅連通於曲軸室1,每一導流管6一端僅連通於曲軸室1及另一端僅連通於各汽缸室2,進一步說明如下,進氣管5組接於上側部13,二導流管6分別組接於下側部14,進氣管5用於導引外部混合的燃油、空氣及潤滑油流入曲軸室1。
每一火星塞7組接在各汽缸室2遠離曲軸室1的一側且對應各汽缸室2設置;每一排氣管8僅連通於各汽缸室2,各導流管6與各排氣管8分別設置在各火星塞7的兩側。
逆止氣閥組件9包含一逆止氣閥91、數量與汽缸室2相同的第一開關閥92及第二開關閥93,逆止氣閥91安裝於進氣管5與曲軸室1的交接處a1,各第一開關閥92安裝於各導流管6與各汽缸室2的交接處a2,各第二開關閥93安裝於各排氣管8與各汽缸室2的交接處a3。
詳細說明如下,逆止氣閥91用於導引流體自進氣管5流至曲軸室1,且逆止氣閥91能防止流體自曲軸室1流至進氣管5;第一開關閥92用於開啟或關閉導流管6與汽缸室2之間的連通;第二開關閥93用於開啟或關閉導排氣管8與汽缸室2之間的連通。
如1至圖4,係本創作高效型內燃機10之使用狀態。第一使用狀態,如圖1所示,右邊的火星塞7點火而使右邊的汽缸室2產生爆炸行程,爆炸行程發生時會封閉右邊的第一開關閥92及第二開關閥93,且爆炸產生的壓力給予活塞4推力,使二活塞4共同朝接近曲軸室1的方向移動,同時導致曲軸室1內部氣壓增加而封閉逆止氣閥91,進而防止燃油、空氣及潤滑油自曲軸室1流至進氣管5,最後燃油、空氣及潤滑油會經由左邊的第一開關閥92而進入左邊的汽缸室2產生進氣行程。
第二使用狀態,如圖2所示,驅動二活塞4共同朝遠離曲軸室1的方向移動,導致曲軸室1內部氣壓降低而開啟逆止氣閥91,且左邊的第一開關閥92及第二開關閥93為關閉狀態,使左邊的汽缸室2內部呈封閉狀態,所以當活塞4持續往左邊的汽缸室2壓縮內部空間,將導致燃油、空氣及潤滑油持續被增壓產生壓縮行程,因右邊的第一開關閥92為關閉狀態及第二開關閥93為開啟狀態,所以右邊的汽缸室2內部爆炸行程產生的廢氣,其會經由右邊的第二開關閥93而排至右邊的排氣管8產生排氣行程。
第三使用狀態,如圖3所示,左邊的火星塞7點火而使左邊的汽缸室2產生爆炸行程,爆炸行程發生時會封閉左邊的第一開關閥92及第二開關閥93,且爆炸產生的壓力給予活塞4推力,使二活塞4共同朝接近曲軸室1的方向移動,同時導致曲軸室1內部氣壓增加而封閉逆止氣閥91,進而防止燃油、空氣及潤滑油自曲軸室1流至進氣管5,最後燃油、空氣及潤滑油會經由右邊的第一開關閥92而進入右邊的汽缸室2產生進氣行程。
第四使用狀態,如圖4所示,驅動二活塞4共同朝遠離曲軸室1的方向移動,導致曲軸室1內部氣壓降低而開啟逆止氣閥91,且右邊的第一開關閥92及第二開關閥93為關閉狀態,使右邊的汽缸室2內部呈封閉狀態,所以當活塞4持續往右邊的汽缸室2壓縮內部空間,將導致燃油、空氣及潤滑油持續被增壓產生壓縮行程,因左邊的第一開關閥92為關閉狀態及第二開關閥93為開啟狀態,所以左邊的汽缸室2內部爆炸行程產生的廢氣,其會經由左邊的第二開關閥93而排至左邊的排氣管8產生排氣行程。藉此,如圖1至圖4所示,以完成一個四衝程循環內燃機之作動流程。
此外,如圖2、圖4所示,二活塞4共同朝遠離曲軸室1的方向移動至完全壓縮二汽缸室2時,曲軸室1的吸氣量為二個汽缸室2的吸氣量,但如圖1所示,二活塞4共同朝接近曲軸室1的方向移動至完全壓縮曲軸室1時,則二個汽缸 室2的吸氣量(圖4之曲軸室1的吸氣量)僅填充在左邊的汽缸室2內部,使左邊的汽缸室2具有增壓效果;同理,如圖3所示,二活塞4共同朝接近曲軸室1的方向移動至完全壓縮曲軸室1時,則二個汽缸室2的吸氣量(圖2之曲軸室1的吸氣量)僅填充在右邊的汽缸室2內部,使右邊的汽缸室2具有增壓效果。藉此,使汽缸室2之爆炸行程能產生更大的爆炸衝力,進而提升高效型內燃機10之動力效率。
此外,進氣管5僅連通於曲軸室1,每一導流管6一端僅連通於曲軸室1及另一端僅連通於各汽缸室2,且進氣管5組接於上側部13,二導流管6分別組接於下側部14,使自進氣管5進入的燃油、空氣及潤滑油都必須先經過曲軸室1才能流至二導流管6,讓燃油、空氣及潤滑油必須先均勻地潤滑曲軸盤31才能流至二導流管6,以加強曲軸連桿機構3之運作流暢度及使用壽命,同時燃油、空氣及潤滑油依序由進氣管5、曲軸室1、導流管6至汽缸室2之順序流動,能避免曲軸室1、導流管6或汽缸室2內部發生亂流,以穩定高效型內燃機10之運作效率。
請參考圖5所示,係本創作高效型內燃機10之另一實施例,圖5之實施例與圖1至圖4之實施例大致相同,圖5之實施例與圖1至圖4之實施例不同之處在於高效型內燃機10更包括一潤滑油噴嘴51。
詳細說明如下,本創作高效型內燃機10更包括潤滑油噴嘴51,潤滑油噴嘴51安裝於進氣管5上且對應進氣管5的內腔室配置,進氣管5用於導引外部混合的燃油及空氣進入進氣管5的內腔室,潤滑油噴嘴51用於導引外部的潤滑油進入進氣管5的內腔室,最後燃油、空氣及潤滑油在進氣管5的內腔室混合才流入曲軸室1。藉此,以達成相同於圖1至圖4之實施例的功能及功效。綜上所述,本創作之高效型內燃機,確可達到預期之使用目的,而解決習知之缺失,並具有產業利用性、新穎性與進步性,完全符合新型專利申請要件,爰依專利法提 出申請,敬請詳查並賜准本案專利,以保障創作人之權利。
10‧‧‧高效型內燃機
1‧‧‧曲軸室
11‧‧‧左側部
12‧‧‧右側部
13‧‧‧上側部
14‧‧‧下側部
2‧‧‧汽缸室
3‧‧‧曲軸連桿機構
31‧‧‧曲軸盤
32‧‧‧連桿
4‧‧‧活塞
5‧‧‧進氣管
6‧‧‧導流管
7‧‧‧火星塞
8‧‧‧排氣管
9‧‧‧逆止氣閥組件
91‧‧‧逆止氣閥
92‧‧‧第一開關閥
93‧‧‧第二開關閥
a1、a2、a3‧‧‧交接處
d‧‧‧移動方向

Claims (8)

  1. 一種高效型內燃機,包括:一曲軸室;至少二汽缸室;一曲軸連桿機構,安裝於該曲軸室;至少二活塞,分別連接於該曲軸連桿機構且容置於各該汽缸室;一進氣管,僅連通於該曲軸室;至少二導流管,每一該導流管一端僅連通於該曲軸室及另一端僅連通於各該汽缸室;以及一逆止氣閥組件,包含:一逆止氣閥,安裝於該進氣管與該曲軸室的交接處:以及至少二第一開關閥,分別安裝於各該導流管與各該汽缸室的交接處。
  2. 如請求項1所述之高效型內燃機,其中汽缸室、活塞、導流管及第一開關閥的數量分別為二,該曲軸室具有一左側部、一右側部、一上側部及一下側部,其一該汽缸室組接於該左側部,另一該汽缸室組接於該右側部,該進氣管組接於該上側部,該二導流管分別組接於該下側部。
  3. 如請求項2所述之高效型內燃機,其中該曲軸室與各該汽缸室被各該活塞所隔離,該二活塞共同朝接近該曲軸室的方向移動或共同朝遠離該曲軸室的方向移動,且該二活塞的移動方向呈平行配置。
  4. 如請求項1、2或3所述之高效型內燃機,其中該曲軸連桿機構包含一曲軸盤及至少二連桿,該曲軸盤安裝於該曲軸室,每一該連桿一端連接於該 曲軸盤及另一端穿置於各該汽缸室,每一該活塞連接於各該連桿且跟隨各該連桿往復移動於各該汽缸室。
  5. 如請求項4所述之高效型內燃機,其更包括至少二火星塞,每一該火星塞組接在各該汽缸室遠離該曲軸室的一側且對應各該汽缸室設置。
  6. 如請求項5所述之高效型內燃機,其更包括至少二排氣管,每一該排氣管僅連通於各該汽缸室,該逆止氣閥組件更包含至少二第二開關閥,各該第二開關閥安裝於各該排氣管與各該汽缸室的交接處。
  7. 如請求項6所述之高效型內燃機,其中各該導流管與各該排氣管分別設置在各該火星塞的兩側。
  8. 如請求項4所述之高效型內燃機,其更包括一潤滑油噴嘴,該潤滑油噴嘴安裝於該進氣管上且對應該進氣管的內腔室配置。
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US11506119B2 (en) 2020-07-02 2022-11-22 Impact Consulting And Engineering Llc Multiple cylinder engine
TWI792235B (zh) * 2021-03-22 2023-02-11 鄭家俊 內燃機增壓系統
US11603793B2 (en) 2020-07-02 2023-03-14 Fna Group, Inc. Multiple cylinder engine
US11635020B2 (en) 2020-07-02 2023-04-25 Fna Group, Inc. Multiple cylinder engine
US11674434B2 (en) 2020-07-02 2023-06-13 Impact Consulting And Engineering Llc Multiple cylinder engine

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Publication number Priority date Publication date Assignee Title
US1984862A (en) * 1932-06-22 1934-12-18 John A Dienner Internal combustion engine
US4449488A (en) * 1980-06-09 1984-05-22 Rondal P. Howell Free piston internal combustion engine
US4972809A (en) * 1988-04-14 1990-11-27 Sanshin Kogyo Kabushiki Kaisha Power unit of inboard/outboard
US5799628A (en) * 1997-02-05 1998-09-01 Lacerda; Carlos Bettencourt Internal combustion engine with rail spark plugs and rail fuel injectors
JP4104225B2 (ja) * 1998-10-05 2008-06-18 本田技研工業株式会社 自動二輪車用多気筒エンジン

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11506119B2 (en) 2020-07-02 2022-11-22 Impact Consulting And Engineering Llc Multiple cylinder engine
US11603793B2 (en) 2020-07-02 2023-03-14 Fna Group, Inc. Multiple cylinder engine
US11635020B2 (en) 2020-07-02 2023-04-25 Fna Group, Inc. Multiple cylinder engine
US11674434B2 (en) 2020-07-02 2023-06-13 Impact Consulting And Engineering Llc Multiple cylinder engine
TWI792235B (zh) * 2021-03-22 2023-02-11 鄭家俊 內燃機增壓系統
US11578649B2 (en) 2021-03-22 2023-02-14 Chia-Chun Cheng Internal combustion engine with charging system

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