CN104110324B - Automatic vent liquid piston motor - Google Patents
Automatic vent liquid piston motor Download PDFInfo
- Publication number
- CN104110324B CN104110324B CN201410258602.7A CN201410258602A CN104110324B CN 104110324 B CN104110324 B CN 104110324B CN 201410258602 A CN201410258602 A CN 201410258602A CN 104110324 B CN104110324 B CN 104110324B
- Authority
- CN
- China
- Prior art keywords
- cylinder
- hot cylinder
- power output
- output pipe
- liquid piston
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/053—Component parts or details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/053—Component parts or details
- F02G1/055—Heaters or coolers
Abstract
The invention discloses a kind of automatic vent liquid piston motor, comprise cold cylinder, hot cylinder, heater, regenerator, cooler and Power output pipe, described cold cylinder with there is in hot cylinder the liquid piston that is communicated with of bottom; Described heater, regenerator are connected successively with cooler, and described hot cylinder is connected with described heater, and described cold cylinder is connected with described cooler; Described Power output pipe is connected to described hot cylinder, extends upwardly to more than setting minimum liquid level in described hot cylinder under setting minimum liquid level; On described hot gas casing wall, be also provided with a point gas element, described point of gas element is arranged at setting minimum liquid level place, and described hot cylinder is communicated with described Power output pipe by described point of gas element.The present invention can discharge the gas of below setting minimum liquid level automatically, thus makes the liquid level in hot cylinder be not less than setting minimum liquid level.
Description
Technical field
The present invention relates to motor, especially relevant with a kind of automatic vent liquid piston motor.
Background technique
Heat engine is a kind of closed cycle reciprocating piston type heat engine of external combustion, because it is in 1816 by Scottish Stirling is invented, therefore also known as Stirling engine, or claims external-combustion engine.Because heat engine avoids the quick-fried acting problem of shake of traditional combustion engine, thus achieve low noise, low stain and low operating cost.The power efficiency of heat engine does not affect by altitude, is very suitable for high altitude localities and uses.
Hot chamber, heater, the regenerator of heat engine, between cooler and cold chamber, gas circuit is connected to form gas channel successively, by external heat source, heater is heated, to make the to-and-fro motion dilation between cold chamber and hot chamber of the gas in gas channel, carry out Power output to do work by driving mechanism.In the past, the piston normally solid piston that uses of heat engine.
When heat engine uses solid piston, it has easy to wear, that noise is large and sealing is poor shortcoming, and processing technology is complicated, and cost is high.And using the heat engine of liquid piston, its research is started late.
Because heat engine belongs to the one of motor, therefore use the heat engine of liquid piston, also can be called liquid piston motor.
Publication number is CN103321775A (below referred to as document 1), and the Chinese invention patent that name is called " boiler and liquid piston heat engine thereof ", discloses a kind of liquid piston heat engine.And publication number is CN103726948A (below referred to as document 2), the Chinese invention patent that name is called " liquid piston heat engine ", discloses a kind of liquid piston heat engine carrying out improving on the basis of document 1.
As shown in Fig. 1 (Fig. 4 namely in document 2), the liquid piston heat engine of document 2, comprise the first cylinder (being in fact hot cylinder) the 15, second cylinder (being in fact cold cylinder) 13, heater 16, regenerator 17 and cooler, hot cylinder 15 and the liquid piston had in the second cylinder 13 for bottom is communicated with; Heater 16, regenerator 17 are connected successively with cooler, and hot cylinder 15 is connected with heater 16, and the second cylinder 13 is connected with cooler; The first end of the Power output pipe 19 of this liquid piston heat engine stretches in hot cylinder 15 or is connected to the bottom of hot cylinder 15, outwards exports a reciprocal power with valve body, plunger pump or the diaphragm pump etc. that are connected by Power output pipe 19 second end.Cooler comprises the water jacket 11 of the air-cooled pipeline be exposed in air, the water-cooled pipeline be connected with air-cooled pipeline and coated water-cooled pipeline.Wherein, air-cooled pipeline comprises arc section 121, radiating segment 122 and changeover portion 123, and water jacket 11 two ends have water intake 110 and water outlet 111 respectively.
The automatic vent liquid piston motor of document 1, has noise little, good airproof performance and not containing easily damaged parts, avoid regular maintenance, and processing technology is simple, low cost and other advantages.The heat engine of liquid piston is made to have entered into the application stage by studying.The liquid piston heat engine of document 2, on the basis of liquid piston heat engine advantage maintaining document 1, further enhancing the cooling effect of cooler, make the operation conditions of whole heat engine better, operational efficiency is higher, and reaches the object of water-saving and environmental protection.
But, and the liquid piston heat engine of document 1 and document 2, when carrying out work, due to the impact of the impurities in liquid volatilization in liquid piston, or heat engine itself has trickle seepage, can there is situation about reducing in the liquid volume in heat engine, although the amount reduced is little, the speed reduced is very slow, and the overwhelming majority does not affect the normal work of heat engine.But along with long accumulation, the liquid level in hot cylinder also can be made to drop to below setting minimum liquid level, and then stability and the power of heat engine work can be affected.
Therefore, for excelsior consideration, need to develop a kind of new heat engine, avoid the generation of the problems referred to above.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide liquid surface level in a kind of hot cylinder can not drop to below setting minimum liquid level, ensure the stability of heat engine work and the automatic vent liquid piston motor of power.
To achieve these goals, technological scheme of the present invention is as follows:
A kind of automatic vent liquid piston motor, comprises cold cylinder, hot cylinder, heater, regenerator, cooler and Power output pipe, described cold cylinder and the liquid piston having bottom in hot cylinder and be communicated with; Described heater, regenerator are connected successively with cooler, and described hot cylinder is connected with described heater, and described cold cylinder is connected with described cooler; Described Power output pipe is connected to described hot cylinder, extends upwardly to more than setting minimum liquid level in described hot cylinder under setting minimum liquid level; On described hot gas casing wall, be also provided with a point gas element, described point of gas element is arranged at setting minimum liquid level place, and described hot cylinder is communicated with described Power output pipe by described point of gas element.
Beneficial effect of the present invention is: automatic vent liquid piston motor of the present invention, maintain that existing liquid piston engine noise is little, good airproof performance, not containing easily damaged parts, avoid that regular maintenance, processing technology are simple, good cooling results and low cost and other advantages.Simultaneously, by arranging a point gas element on hot gas casing wall, can when liquid level drops to below setting minimum liquid level, gas below automatic discharge setting minimum liquid level, thus make the liquid level in hot cylinder be not less than setting minimum liquid level, thus ensure the working stability of liquid piston motor, ensure that the power of liquid piston motor can not reduce.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the liquid piston motor of prior art.
Fig. 2 is the schematic front view of the automatic vent liquid piston motor of first embodiment of the invention.
Fig. 3 is the schematic perspective view of the automatic vent liquid piston motor of first embodiment of the invention.
Fig. 4 is that schematic diagram is looked on a left side for the automatic vent liquid piston motor of first embodiment of the invention.
Fig. 5 is the schematic perspective view of the automatic vent liquid piston motor of second embodiment of the invention.
Fig. 6 is the schematic front view of the automatic vent liquid piston motor of second embodiment of the invention.
Fig. 7 is the schematic diagram that the hot cylinder of the automatic vent liquid piston motor of second embodiment of the invention removes Power output pipe.
Fig. 8 is the schematic front view of the automatic vent liquid piston motor of third embodiment of the invention.
Fig. 9 is the cross-sectional schematic of the automatic vent liquid piston motor of third embodiment of the invention.
Figure 10 is that schematic diagram is looked on a left side for the automatic vent liquid piston motor of third embodiment of the invention.
Embodiment
In order to make technical problem to be solved by this invention, technological scheme and beneficial effect clearly understand, below in conjunction with specific embodiment, the present invention is further elaborated.It should be pointed out that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Automatic vent liquid piston motor of the present invention, goes for the various occasions needing reciprocating power, such as, for linear electric generator provides power, provides power etc. for water circulation.
Lower mask body introduces the automatic vent liquid piston motor of the present invention three embodiments.The automatic vent liquid piston motor of various embodiments of the present invention, the parts do not made referrals to below, all can adopt parts identical in document 1 or document 2, repeat no more.
One, the automatic vent liquid piston motor of the first embodiment
As shown in figs 2-4, the automatic vent liquid piston motor of first embodiment of the invention, mainly comprises the critical pieces such as hot cylinder 15, second cylinder 13, heater 16, regenerator 17, cooler and Power output pipe 19.
Cooler wherein, as shown in figs 2-4, comprises the water jacket 11 of the air-cooled pipeline 12 be exposed in air, the water-cooled pipeline (not shown) be connected with air-cooled pipeline 12 and coated water-cooled pipeline.Wherein, air-cooled pipeline comprises arc section, radiating segment and changeover portion, and water jacket 11 two ends have water intake 110 and water outlet 111 respectively.But the present invention is not limited thereto, such as, also can use the cooler construction in document 1.
As shown in Figure 1, in the present embodiment, Power output pipe 19 is connected to hot cylinder 15, and extends upwardly to more than setting minimum liquid level set minimum liquid level in hot cylinder 15 under; Further, on hot gas casing wall 150 (referring to the casing wall of hot cylinder 15), be also provided with the gas-distributing pipe 159 as point gas element, gas-distributing pipe 159 is for being connected to the straight tube between hot gas casing wall 150 and Power output pipe 19 tube wall.The position of gas-distributing pipe 159, flushes with the setting minimum liquid level in hot cylinder 15, and that is the bearing of trend of gas-distributing pipe 159 is the equal of the position denoting setting minimum liquid level.And Power output pipe is designed to S shape pipe, more meet hydromechanical principle.
And the internal diameter of gas-distributing pipe 159, preferably at below 6mm, preferably between 2-4mm.And the bottom of Power output pipe 19 is to the height difference of setting minimum liquid level, preferably the 1.5-2 of hot cylinder 15 diameter doubly, at this moment can obtain maximum output power.The bottom of Power output pipe 19 mentioned here, refers to the geometrical center position of Power output pipe 19 and hot gas casing wall 150 intersection gained intersection (nonplanar graph).
As shown in Figures 2 and 3, hot cylinder 15 can be communicated with Power output pipe 19 by gas-distributing pipe 159, therefore, during liquid piston engine work, gas-distributing pipe 159 place is flooded with liquid, can not leak gas from gas-distributing pipe 159, and when the liquid level in hot cylinder 15 drops to below setting minimum liquid level, show that the liquid in hot cylinder 15 reduces, gas increases; Now, in gas-distributing pipe 159, start have gas to exist, by law of connected vessels, liquid level in Power output pipe 19 also can drop to below gas-distributing pipe 159, therefore, gas unnecessary in hot cylinder 15 can be discharged automatically by the end of Power output pipe 19, thus realizes automatic ventilating function.After excessive gas is discharged automatically, the liquid level in hot cylinder 15 can return to more than setting minimum liquid level, and liquid piston motor still can normally work.And plunger pump, valve body or diaphragm pump that Power output pipe 19 connects, the automatic discharge of excessive gas can't be affected.
In the present embodiment, as shown in Figure 4, cold cylinder 13 is parallel with hot cylinder 15, because cold cylinder in the present embodiment 13 and hot cylinder 15 are all pipe, so the cross section of cold cylinder 13 and hot cylinder 15 is all circular, cold cylinder 13 is parallel with hot cylinder 15 refers to the axis of cold cylinder 13 and the axis being parallel of hot cylinder 15.Because cold cylinder 13 is parallel with hot cylinder 15, described cold cylinder 13 need be communicated with by connecting tube 20 with the bottom of hot cylinder 15.In addition, between heater 16 and hot cylinder 15, folded acute angle is 30-60 degree, preferably 45 degree.That is between the bearing of trend of heater 16 and the axis of hot cylinder 15, folded acute angle is 30-60 degree, preferably 45 degree.By above-mentioned layout, the space immediately below heater 16 can be increased, be convenient to the setting to the external heat source that heater 16 heats.
Two, the automatic vent liquid piston motor of the second embodiment
The automatic vent liquid piston motor of the present embodiment, the place identical with the first embodiment repeats no more, itself and the first embodiment unlike, as shown in Figure 5-Figure 7, in the present embodiment, point gas element is no longer gas-distributing pipe, but is arranged at hot gas casing wall 150 and the vent 193 covered for Power output pipe 19.The position of vent 193 is the setting minimum liquid level places in hot cylinder 15.Vent 193 in the present embodiment is simpler than gas-distributing pipe 159 technique of the first embodiment.
In the present embodiment, Power output pipe 19 comprises the vertical tube 190 and horizontal pipe 191 that are attached at hot gas casing wall 150, and the height of horizontal pipe 191 upper limb is higher than vent 193, and the height of lower edge is lower than vent 193.As shown in Figure 7, on hot gas casing wall 150, vent 193 and Power output pipe mounting hole 192 can be offered respectively, then, then the vertical tube 190 and horizontal pipe 191 that cover vent 193 are installed.
And the internal diameter of vent 193, preferably at below 6mm, preferably between 2-4mm.
In the present embodiment, as shown in Figure 7, the cross section of hot cylinder 15 and cold cylinder 13 is substantially rectangular, and has chamfering 152 in the joint of adjacent bi-side.And hot cylinder 15 bi-side relative with cold cylinder 13 are the side that hot cylinder 15 and cold cylinder 13 area are larger.
In the present embodiment, as shown in Figure 6, cold cylinder 13 is parallel with hot cylinder 15, because the cross section of cold cylinder in the present embodiment 13 and hot cylinder 15 is all rectangle, the side larger with the area of hot cylinder 15, cold cylinder 13 side that refer to the area of cold cylinder 13 larger parallel with hot cylinder 15 is parallel, the lateral vertical that the area of the side that the area of cold cylinder 13 is larger and hot cylinder 15 is less.Because cold cylinder 13 is parallel with hot cylinder 15, described cold cylinder 13 need be communicated with by connecting tube 20 with the bottom of hot cylinder 15.In addition, between heater 16 and hot cylinder 15, folded acute angle is 30-60 degree, preferably 45 degree.That is between the bearing of trend of heater 16 and the larger side of the area of hot cylinder 15, folded acute angle is 30-60 degree, preferably 45 degree.By above-mentioned layout, the pipe being rectangle due to two cross sections has larger space than between two pipes, and therefore the present embodiment can increase the space immediately below heater 16 further, is more convenient for arranging the external heat source heated heater 16.
Three, the automatic vent liquid piston motor of the 3rd embodiment
The automatic vent liquid piston motor of the present embodiment, the place identical with first and second embodiment repeats no more, itself and above-mentioned two embodiments unlike, as Figure 8-Figure 10, in the present embodiment, Power output pipe 19 enters in hot cylinder 15 at the setting minimum liquid level place of hot cylinder 15, extends downwardly into 1.5-2 times of depth of hot cylinder 15 diameter in hot cylinder 15.
And a point gas element is the vent 198 being opened in Power output pipe 19.The position of vent 198, in hot cylinder 15, and at the setting minimum liquid level place of hot cylinder 15.Vent 198 in the present embodiment is simpler than gas-distributing pipe 159 technique of the first embodiment.
And the internal diameter of vent 198, preferably at below 6mm, preferably between 2-4mm.So far mode of execution as herein described is construed as is explanation of the invention, but not limitation of the present invention.Scope of the present invention is not illustrated by above specification, but is limited by the claim of patent, this invention is intended to comprise all corrections be equal to the meaning of patent claims and scope.
Claims (6)
1. an automatic vent liquid piston motor, comprises cold cylinder, hot cylinder, heater, regenerator, cooler and Power output pipe, described cold cylinder with there is in hot cylinder the liquid piston that is communicated with of bottom; Described heater, regenerator are connected successively with cooler, and described hot cylinder is connected with described heater, and described cold cylinder is connected with described cooler; It is characterized in that,
Described Power output pipe is connected to described hot cylinder, extends upwardly to more than setting minimum liquid level in described hot cylinder under setting minimum liquid level;
On the hot gas casing wall of described hot cylinder or described Power output pipe, be also provided with a point gas element, described point of gas element is arranged at setting minimum liquid level place, and described hot cylinder is communicated with described Power output pipe by described point of gas element;
For described point of gas element:
Described point of gas element is be connected to the straight tube between described hot gas casing wall and described Power output tube wall, and described Power output pipe is S shape pipe;
Or described point of gas element is the vent that the described Power output pipe in described hot cylinder is offered, described Power output pipe to enter at described setting minimum liquid level place in described hot cylinder and to downward-extension;
Or described point of gas element is for being arranged at described hot gas casing wall and the vent covered for described Power output pipe.
2. automatic vent liquid piston motor as claimed in claim 1, it is characterized in that, described cold cylinder is parallel with described hot cylinder, and between described heater and described hot cylinder, folded acute angle is 30-60 degree.
3. automatic vent liquid piston motor as claimed in claim 1, is characterized in that, the bottom of described Power output pipe, to the height difference of described setting minimum liquid level, is 1.5-2 times of described hot cylinder diameter.
4. automatic vent liquid piston motor as claimed in claim 2, it is characterized in that, the internal diameter of described point of gas element is less than 6mm.
5. automatic vent liquid piston motor as claimed in claim 2, it is characterized in that, the cross section of described hot cylinder and described cold cylinder is rectangle, and described hot cylinder bi-side relative with described cold cylinder are the side that described hot cylinder and described cold cylinder area are larger.
6. the automatic vent liquid piston motor as described in claim 1 or 5, is characterized in that, between described heater and described hot cylinder, folded acute angle is 45 degree, and the internal diameter of described point of gas element is 2-4mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410258602.7A CN104110324B (en) | 2014-06-11 | 2014-06-11 | Automatic vent liquid piston motor |
| PCT/CN2015/081200 WO2015188757A1 (en) | 2014-06-11 | 2015-06-10 | Automatic air-discharging liquid piston engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410258602.7A CN104110324B (en) | 2014-06-11 | 2014-06-11 | Automatic vent liquid piston motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104110324A CN104110324A (en) | 2014-10-22 |
| CN104110324B true CN104110324B (en) | 2016-02-17 |
Family
ID=51707274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410258602.7A Active CN104110324B (en) | 2014-06-11 | 2014-06-11 | Automatic vent liquid piston motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104110324B (en) |
| WO (1) | WO2015188757A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110324B (en) * | 2014-06-11 | 2016-02-17 | 新疆阳光动力能源科技有限公司 | Automatic vent liquid piston motor |
| CN105888877B (en) * | 2016-06-15 | 2018-08-03 | 杨永顺 | Autonomous sink-float engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE486889A (en) * | ||||
| BE457218A (en) * | ||||
| US4856280A (en) * | 1988-12-19 | 1989-08-15 | Stirling Technology, Inc. | Apparatus and method for the speed or power control of stirling type machines |
| CN103321775A (en) * | 2013-06-20 | 2013-09-25 | 博尔塔拉蒙古自治州万力源科技开发有限责任公司 | Boiler and liquid piston thermomotor thereof |
| CN103726948A (en) * | 2014-01-17 | 2014-04-16 | 博尔塔拉蒙古自治州万力源科技开发有限责任公司 | Liquid piston hot air engine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3657877A (en) * | 1971-02-01 | 1972-04-25 | Thermo Electron Corp | Tidal regenerator heat engine |
| JPH0734966A (en) * | 1993-07-20 | 1995-02-03 | Aisin New Hard Kk | Liquid type stirling engine |
| JP4411829B2 (en) * | 2002-08-26 | 2010-02-10 | 株式会社デンソー | Steam engine |
| CN202431395U (en) * | 2012-01-04 | 2012-09-12 | 程明 | Stirling-cycle engine |
| CN104110324B (en) * | 2014-06-11 | 2016-02-17 | 新疆阳光动力能源科技有限公司 | Automatic vent liquid piston motor |
-
2014
- 2014-06-11 CN CN201410258602.7A patent/CN104110324B/en active Active
-
2015
- 2015-06-10 WO PCT/CN2015/081200 patent/WO2015188757A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE486889A (en) * | ||||
| BE457218A (en) * | ||||
| US4856280A (en) * | 1988-12-19 | 1989-08-15 | Stirling Technology, Inc. | Apparatus and method for the speed or power control of stirling type machines |
| CN103321775A (en) * | 2013-06-20 | 2013-09-25 | 博尔塔拉蒙古自治州万力源科技开发有限责任公司 | Boiler and liquid piston thermomotor thereof |
| CN103726948A (en) * | 2014-01-17 | 2014-04-16 | 博尔塔拉蒙古自治州万力源科技开发有限责任公司 | Liquid piston hot air engine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015188757A1 (en) | 2015-12-17 |
| CN104110324A (en) | 2014-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106761921A (en) | A kind of equipment system based on efficient weary wind source heat pump | |
| CN104110324B (en) | Automatic vent liquid piston motor | |
| CN104233668A (en) | Air suction device on embroiderer rack | |
| CN105806110A (en) | Efficient spiral fin heat exchange device | |
| CN211500822U (en) | Double waste heat recovery device of generator set | |
| CN205382978U (en) | High -efficient engine heat abstractor | |
| CN204511622U (en) | The pumping plant of self-adjustable diesel engine | |
| CN109404294B (en) | Motor direct-connection pump | |
| CN206921035U (en) | A kind of anti-precipitation water cooling main frame of leakproof | |
| CN207145005U (en) | A kind of equipment system based on efficient weary wind source heat pump | |
| CN105422274A (en) | Silent type generator set | |
| CN205172707U (en) | Supercharged engine cooling system | |
| CN209671327U (en) | A kind of cooling equipment of novel hydraulic profile control injection pump | |
| CN103256833B (en) | Closed cooling tower cooling device for forging and stamping industries | |
| CN203464799U (en) | Closed cooling tower cooling device in forging and stamping industry | |
| CN107725403B (en) | A kind of efficient high filter deep well pump | |
| CN205858473U (en) | Chiller and be provided with the closed jetting machine of this chiller | |
| CN204082375U (en) | Artificial tonifying Qi liquid piston motor | |
| CN206299450U (en) | The split cooling water tank system that a kind of high-power low-noise box type electric generator group is used | |
| CN204026730U (en) | A kind of air-cooled living beings body of heater cooling system | |
| CN204175424U (en) | Squelch type generator set | |
| CN204212842U (en) | Engine shaft wind wheel radiation system | |
| CN203669967U (en) | Air exhausting circulating cooling water system of anti-explosion diesel engine | |
| CN104265437B (en) | A kind of electromotor circulation water cooling device | |
| CN103233832A (en) | General oil tank heating structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |