WO2016112556A1 - Moteur à carburant liquéfié - Google Patents

Moteur à carburant liquéfié Download PDF

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Publication number
WO2016112556A1
WO2016112556A1 PCT/CN2015/071209 CN2015071209W WO2016112556A1 WO 2016112556 A1 WO2016112556 A1 WO 2016112556A1 CN 2015071209 W CN2015071209 W CN 2015071209W WO 2016112556 A1 WO2016112556 A1 WO 2016112556A1
Authority
WO
WIPO (PCT)
Prior art keywords
base
liquefied gas
gas tank
crankcase
liquefied
Prior art date
Application number
PCT/CN2015/071209
Other languages
English (en)
Chinese (zh)
Inventor
王新君
刘俊鸿
陆先高
Original Assignee
温岭正峰动力有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 温岭正峰动力有限公司 filed Critical 温岭正峰动力有限公司
Publication of WO2016112556A1 publication Critical patent/WO2016112556A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Definitions

  • the invention belongs to the technical field of engines and relates to a liquefied fuel engine.
  • Farming machines, micro tillage machines, lawn mowers, de-icing machines and other working machines are widely used in agriculture and forestry. Taking micro-farming machines as an example, they are powered by small diesel engines or gasoline engines. They are light in weight, small in size and simple in structure. It is widely used in drylands, paddy fields, orchards in plains, mountains and hills. As an independent mechanical device, it is usually necessary to install an engine as a power output.
  • a Chinese utility model patent application (application number: 200920206914.8) discloses a micro tillage machine, which comprises a frame, an engine, an engine cylinder head, a fuel tank, a transmission box, and a riser.
  • the fuel tank of the micro tillage machine is a rear type, that is, The fuel tank is disposed above the engine cylinder head, the engine of the tiller is disposed on the frame, and the oil tank is fixed on the engine block.
  • a general-purpose engine is disclosed, which includes a crankcase body and a connection to the crankcase body, and is fixed to the crankcase body.
  • the upwardly angled cylinder block, the muffler with the muffler cylinder is installed above the cylinder block and connected to the combustion chamber, the air filter corresponding to the muffler is arranged at one end position of the cylinder block, the lower air hood, the side air deflector and the wind guide
  • the cover and the rope cover are respectively installed around the crankcase body and the cylinder block, and the heat sink is arranged on the outer side surface of the crankcase body and the cylinder block, and the horizontal heat sink is disposed on the upper and lower ends of the heat sink, the engine and the engine
  • the engine on the above-mentioned tiller also adopts a fuel tank.
  • the shape of the fuel tank is processed to be compatible with the external structure of the cylinder, and the fuel tank is directly fixed on the cylinder. After the fuel in the fuel tank is used, the fuel tank needs to be refueled, not only The fuel tank and the outer surface of the cylinder are covered with oil stains, which can cause dirt and dirt, and the operation of the fueling process is troublesome and time-consuming, resulting in work continuity. reduce.
  • the object of the present invention is to solve the above problems in the prior art, and propose a liquefied fuel engine.
  • the liquefied fuel engine is safe and convenient to use.
  • a liquefied fuel engine including a crankcase body having an output shaft therein, further comprising a liquefied gas tank, the liquefied gas tank setting On the crankcase body, and the liquefied gas tank is located above the output shaft, the liquefied gas tank is detachably fixed to the crankcase body through a fixed structure.
  • the liquefied gas tank is a separate component.
  • One engine can be equipped with multiple liquefied gas tanks.
  • the liquefied gas tank can be independently filled with propane, or it can be replaced at the working site. It can carry multiple liquefied gas tanks to the working place. That is, the liquefied gas tank used up on the engine can be manually replaced, which is convenient and quick to maintain the consistency of work; at the same time, after the engine is installed on the agricultural equipment such as the tiller, since the liquefied gas tank is disposed on the crankcase, the weight It is more concentrated and overcomes the shortcomings of the existing agricultural machine when the fuel tank is fixed on the handle.
  • a thin plate-shaped base is further included, and one side of the base is bent downward to form an elastic connecting flange, and the other side of the base is bent to form a V-shaped cross section. And having a flexible connecting flange 2, the connecting flange 1 and the connecting flange 2 are respectively fixed to the crankcase body, and the base is horizontal, and a gap is formed between the lower portion of the base and the outer wall of the crankcase, the liquefied gas The can is placed on the base.
  • the propane in the liquefied gas tank is different from the fuel in the common tank, the propane is stored in the liquefied gas tank in the form of a compressed liquid, so that the safety of the liquefied gas tank is put forward, and the engine is generated during use. Uninterrupted vibration, if the vibration is continuously and obviously transmitted to the liquefied gas tank, there is a safety hazard.
  • the engine is provided with a base which is fixed to the crankcase by connecting the flange 1 and the connecting flange 2, Between the lower side of the base and the outer side wall of the crankcase There is a gap, that is, the middle of the base is suspended, and the liquefied gas tank is fixed on the base by a fixed structure, that is, the bottom of the liquefied gas tank is pressed on the upper side of the base, and the vibration generated by the engine can be filtered and relieved by the base, and the base is horizontally disposed to avoid During the vibration process, the liquefied gas tank produces a displacement toward one side, and also makes the vibration of the liquefied gas tank uniform.
  • the crankcase includes a crank chamber and a combustion chamber, and the vibration generated in the crank chamber is amplified as the distance becomes longer, and the combustion is performed.
  • a muffler is arranged above the chamber, and the liquefied gas tank is located above the crank chamber to reduce vibration and improve safety performance.
  • the angle between the connecting flange and the base is an acute angle
  • the outer wall of the crankcase has a plurality of legs
  • the legs have an inclined mounting surface
  • the connecting flange One is attached to the mounting surface and fixed by screws.
  • the vibration generated by the crankcase is transmitted to the connecting flange through the legs. Since the connecting flange has an angle with the horizontal portion of the base, the buffering effect is provided between the two, thereby filtering the vibration on the connecting flange and reducing the transmission to the end. The amount of vibration on the seat.
  • the crankcase body has a connecting projection, and the connecting flange 2 and the connecting projection are fixed by a screw.
  • the cross section is V-shaped, that is, it can be compressed or stretched in a slight amount, so that the base has a lateral swaying space in a horizontal position, and the base has a cushioning space up and down, and the connecting flange is used to reduce vibration.
  • the connecting flange 1 and the connecting flange 2 are located on the outer side of the liquefied gas tank, so that the vibration needs to be transmitted through the base, that is, it can be relieved by the base, and the influence on the liquefied gas tank is reduced.
  • the base supports the liquefied gas tank, and the fixed structure between the connecting plates fixes the liquefied gas tank, and the connecting plate and the base are screwed together instead of the integral structure formed by stamping, which can reduce the direct transmission of vibration to
  • the connecting plate is further transmitted to the liquefied gas tank, the base is rectangular, the connecting flange 1 and the connecting flange 2 are respectively located at two opposite edges, and the two connecting plates are respectively located at the other two opposite edges, that is, away from the base and the crankcase Connected point of the body Move the distance and reduce the amount of vibration.
  • the fixing structure includes an elastic ring, and the upper end side edges of the two connecting plates are bent to form an L-shaped connecting portion, and the outer side wall of the elastic ring is fixed to the connecting portion by welding.
  • the elastic ring is sleeved on the outer side wall of the liquefied gas tank, and both ends of the elastic ring are fixed by fixing bolts.
  • the elastic ring is a common fastening component. It adopts a strip-shaped fixing piece with a strip shape. The fixing piece is bent into a ring shape, and both ends are connected by fixing bolts. When the fixing bolt is tightened, the elastic ring is tightened.
  • the liquefied gas tank can be tightly held, and when the fixing bolt is loosened, the diameter of the elastic ring becomes large, and the liquefied gas tank can be taken out, so that the replacement of the liquefied gas tank is convenient and quick, and the connecting plate passes through the L-shaped connecting portion and the locking ring.
  • one connecting plate and the locking ring have two connection points, that is, the connecting portion has a structural strengthening effect on the elastic ring.
  • the fixing structure may also adopt a plurality of positioning bolts, and the upper end of the connecting plate is provided with a plurality of screw holes, the positioning bolt passes through the screw hole and the end of the positioning bolt is pressed against the side wall of the liquefied gas tank.
  • the liquefied fuel engine has the following advantages:
  • the liquefied gas tank can be independently filled with propane, or can be replaced at the work site. When working, it can carry multiple liquefied gas tanks to the working place, that is, Manually replacing the liquefied gas tank used on the engine is convenient and quick, and maintains work consistency.
  • the base Since the base is fixedly connected to the crankcase by connecting the flange 1 and the connecting flange 2, and the middle of the base is suspended, the vibration generated by the engine can be filtered and relieved by the base, the connecting flange and the connecting flange 2 to reduce Vibration to improve safety.
  • the connecting flange 2 Since the cross section of the connecting flange 2 is V-shaped, it can be slightly compressed or stretched to connect the flange 2, so that the base has a lateral turbulent space in a horizontal position, and the base has a cushioning space. The vibration on the crankcase can be relieved by the base, reducing the impact on the liquefied gas tank.
  • 1 is a schematic perspective view of the liquefied fuel engine.
  • Fig. 2 is a side view showing the structure of the liquefied fuel engine.
  • FIG. 3 is a schematic perspective view of a crankcase body.
  • FIG. 4 is a schematic perspective view showing the structure of the liquefied fuel engine when the liquefied gas tank is not installed.
  • crankcase body 11, legs; 12, connecting bumps; 13, output shaft; 14, muffler; 2, base; 21, connecting flange one; 22, connecting flange two; 3, liquefied gas Tank; 4, fixed structure; 41, elastic ring; 42, fixing bolt; 5, connecting plate; 51, connecting portion.
  • a liquefied fuel engine includes a crankcase body 1 , a plate-shaped base 2 and a liquefied gas tank 3 .
  • the crankcase body 1 includes a crank chamber and a combustion chamber.
  • the crank chamber is provided with a crankshaft, a crankshaft and an output shaft. 13 is connected, and a muffler 14 is fixedly connected to the outer side wall of the crankcase 1.
  • the edge of the base 2 is fixedly connected to the crankcase 1.
  • the base 2 is located above the output shaft 13, and the muffler 14 is located at one side of the base 2, and the base is 2
  • the upper side is horizontal, and there is a gap between the lower side of the base 2 and the outer side wall of the crankcase 1.
  • the liquefied gas tank 3 is disposed on the upper side of the base 2, and the liquefied gas tank 3 is passed through a fixed structure 4 and the base 2. Remove the solid connection.
  • the liquefied gas tank 3 is in the form of a cylinder and is a separate component.
  • One engine can be equipped with a plurality of liquefied gas tanks 3.
  • the liquefied gas tank 3 can be independently filled with propane, or can be replaced at the working site, and can be carried during work.
  • the liquefied gas tanks 3 used up on the engine can be manually replaced, which is convenient and quick, and maintains the consistency of work; since the propane in the liquefied gas tank 3 is different from the fuel in the common tank, the propane is compressed.
  • the post-liquid form is stored in the liquefied gas tank 3, so that the safety of the liquefied gas tank 3 is put forward higher, and the engine generates uninterrupted vibration during use, if the vibration continues, Obviously transmitted to the liquefied gas tank 3, there is a safety hazard.
  • the engine is provided with a base 2 which is fixed to the crankcase 1 through the edge, and the lower side of the base 2 and the outer side wall of the crankcase 1 With the gap, that is, the middle portion of the base 2 is suspended, the liquefied gas tank 3 is fixed on the base 2 through the fixing structure 4, that is, the bottom of the liquefied gas tank 3 is pressed on the upper side of the base 2, and the vibration generated by the engine can be filtered and relieved by the base 2.
  • the vibration generated in the crank chamber is amplified as the distance becomes longer. Therefore, the muffler 14 is located above the combustion chamber, and the liquefied gas tank 3 is located above the crank chamber to reduce vibration and improve safety performance.
  • the base 2 has a rectangular shape, and one side of the base 2 is bent downward to form a connecting flange 21, and the angle between the connecting flange 21 and the base 2 is The acute angle, the outer side wall of the crankcase body 1 has two legs 11 , the leg 11 has an inclined mounting surface, the connecting flange 21 is attached to the mounting surface and is fixed by screws, and the vibration generated by the crankcase 1 is transmitted through the leg 11
  • the connection flange 21 since the connection flange 21 has an angle with the horizontal portion of the base 2, there is a buffering effect between the two, thereby filtering the vibration on the connection flange 21 to reduce the vibration transmitted to the base 2. the amount.
  • the opposite edges of the base 2 are bent to form a V-shaped connecting flange 2, and the crankcase 1 has a connecting protrusion 12, and the connecting flange 22 and the connecting protrusion 12 are fixed by screws, the cross section It is V-shaped, that is, it can be compressed or stretched in a small amount, so that the base 2 has a lateral turbulent space in a horizontal position, and also makes the base 2 have an up-and-down cushioning space, which is reduced by the connection flange 21.
  • both the connecting flange 21 and the connecting flange 22 are located outside the liquefied gas tank 3, so that the vibration needs to be transmitted through the base 2, that is, it can be relieved by the base 2, and the influence on the liquefied gas tank 3 is reduced.
  • the fixing structure 4 includes an elastic ring 41.
  • Two upper connecting plates 5 are vertically fixed on the upper side of the base 2.
  • the lower ends of the two connecting plates 5 are fixed to the edge of the base 2 by screws.
  • the upper end side of the connecting plate 5 is bent to form an L-shaped connecting portion 51.
  • the outer side wall of the elastic ring 41 is fixed to both ends of the connecting portion 51 by welding, and the elastic ring 41 is sleeved on the outer side of the liquefied gas tank 3.
  • Both ends are fixed by fixing bolts 42.
  • the elastic ring 41 is a common fastening member, and adopts a strip-shaped fixing piece having a strip shape, and the fixing piece is bent into a ring shape, and both ends thereof are connected by a fixing bolt 42, and when the fixing bolt 42 is tightened
  • the elastic ring 41 can hold the liquefied gas tank 3 tightly.
  • the fixing bolt 42 is loosened, the diameter of the elastic ring 41 becomes large, and the liquefied gas tank 3 can be taken out, so that the replacement of the liquefied gas tank 3 is convenient and quick.
  • the base 2 supports the liquefied gas tank 3, and the fixing structure 4 between the connecting plates 5 fixes the liquefied gas tank 3, and the connecting plate 5 and the base 2 are screwed together instead of the integral structure formed by stamping.
  • the base 2 has a rectangular shape, and the connecting flange 21 and the connecting flange 22 are respectively located at opposite edges, and the two connecting plates 5 are respectively located at The two opposite edges, that is, the connection point away from the base 2 and the crankcase body 1, increase the vibration transmission distance and reduce the amount of vibration, and the connecting plate 5 is fixed to the locking ring through the L-shaped connecting portion 51, one connection
  • the plate 5 and the locking ring have two connection points, that is, the connecting portion 51 serves as a structural reinforcement for the elastic ring 41.
  • crankcase 1, the legs 11, the connecting lugs 12, and the like are used more frequently herein, the possibility of using other terms is not excluded. These terms are only used to describe and explain the nature of the invention more conveniently; it is to be construed that any additional limitation is inconsistent with the spirit of the invention.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

L'invention concerne un moteur à carburant liquéfié qui comprend un corps de carter de moteur (1), pourvu d'un arbre de sortie (13) à l'intérieur de celui-ci, et en outre un réservoir de gaz liquéfié (3) disposé sur le corps de carter de moteur (1); le réservoir de stockage de gaz liquéfié (3) est situé au-dessus de l'arbre de sortie (13) et est fixé de manière amovible sur le corps de carter de moteur (1) par l'intermédiaire d'une structure de fixation (4). Le moteur à carburant liquéfié est sans danger et d'utilisation pratique.
PCT/CN2015/071209 2015-01-12 2015-01-21 Moteur à carburant liquéfié WO2016112556A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510014386.6 2015-01-12
CN201510014386.6A CN104533606B (zh) 2015-01-12 2015-01-12 一种液化燃料发动机

Publications (1)

Publication Number Publication Date
WO2016112556A1 true WO2016112556A1 (fr) 2016-07-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/071209 WO2016112556A1 (fr) 2015-01-12 2015-01-21 Moteur à carburant liquéfié

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CN (1) CN104533606B (fr)
WO (1) WO2016112556A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7459854B2 (ja) * 2021-10-08 2024-04-02 トヨタ自動車株式会社 燃料タンク

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07301154A (ja) * 1994-05-06 1995-11-14 Nippon Uoruburoo:Kk 内燃機関の液化石油燃料供給装置
CN201180591Y (zh) * 2008-03-04 2009-01-14 中山市威胜金属制造有限公司 燃气发动机
WO2009054866A1 (fr) * 2007-10-24 2009-04-30 Herzer Bernardo J Dispositifs propulsés par moteur à combustion interne à gaz
CN203022877U (zh) * 2012-04-27 2013-06-26 杨华昌 便携式小型燃气发电机组
CN103459802A (zh) * 2011-02-03 2013-12-18 伯纳多·赫泽 便携式气体供能内燃发动机装置
CN204511647U (zh) * 2015-01-12 2015-07-29 温岭正峰动力有限公司 一种液化燃料发动机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0326022Y2 (fr) * 1985-08-19 1991-06-05
US20130263821A1 (en) * 2012-01-16 2013-10-10 Nagesh Siddabasappa Mavinahally Gaseous Fuel Tank and Power Tool
CN203584568U (zh) * 2013-10-16 2014-05-07 重庆大江动力设备制造有限公司 燃气发电机组

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07301154A (ja) * 1994-05-06 1995-11-14 Nippon Uoruburoo:Kk 内燃機関の液化石油燃料供給装置
WO2009054866A1 (fr) * 2007-10-24 2009-04-30 Herzer Bernardo J Dispositifs propulsés par moteur à combustion interne à gaz
CN201180591Y (zh) * 2008-03-04 2009-01-14 中山市威胜金属制造有限公司 燃气发动机
CN103459802A (zh) * 2011-02-03 2013-12-18 伯纳多·赫泽 便携式气体供能内燃发动机装置
CN203022877U (zh) * 2012-04-27 2013-06-26 杨华昌 便携式小型燃气发电机组
CN204511647U (zh) * 2015-01-12 2015-07-29 温岭正峰动力有限公司 一种液化燃料发动机

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Publication number Publication date
CN104533606A (zh) 2015-04-22
CN104533606B (zh) 2018-01-30

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