CN204003154U - ZXCM-I rotary punching engine - Google Patents
ZXCM-I rotary punching engine Download PDFInfo
- Publication number
- CN204003154U CN204003154U CN201420091342.4U CN201420091342U CN204003154U CN 204003154 U CN204003154 U CN 204003154U CN 201420091342 U CN201420091342 U CN 201420091342U CN 204003154 U CN204003154 U CN 204003154U
- Authority
- CN
- China
- Prior art keywords
- punching press
- waste gas
- end cap
- zxcm
- propeller runner
- 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.)
- Expired - Fee Related
Links
- 238000004080 punching Methods 0.000 title claims abstract description 97
- 239000002912 waste gas Substances 0.000 claims abstract description 41
- 239000007789 gas Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 12
- 239000000295 fuel oil Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000010304 firing Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000009834 vaporization Methods 0.000 description 5
- 230000008016 vaporization Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- YNBADRVTZLEFNH-UHFFFAOYSA-N methyl nicotinate Chemical compound COC(=O)C1=CC=CN=C1 YNBADRVTZLEFNH-UHFFFAOYSA-N 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model has been announced a kind of rotary punching engine of brand new, and it comprises stator and rotor two large divisions, and described stator is made up of left end cap 101, left end cap 102, dividing plate 103, waste gas cylinder 104 and right end cap 105; Rotor is made up of the pre-propeller runner 106 of the first order, the pre-propeller runner 107 in the second level, punching press wheel 108, exhaust gas turbine 109 and main shaft 110, and described rotor rotates in airtight stator space.The utility model has structurally done rational optimization, solve the leakage defect of U.S. Ramgenengineer rotary punching engine, also solved domestic IRBRR engine embedded firing chamber punching press unreasonable and be difficult to ignition problem, " zero-speed " that realized rotary punching engine starts.The utility model is simple in structure, and volume is little, and power is large, and specific power and cost performance are high, for field beyond space flight space flight provides a kind of motor of brand new.
Description
Technical field
The utility model relates to a kind of ZXCM-I rotary punching engine of brand new.
Background technique
Direct current type pressed engine is one of the most advanced motor being applied to field of aerospace; It is simple in structure---and just inside has the cylinder of special shape (punching press mouth is gradual shrinkage, jet nozzle is flaring type and claims laval nozzle), do not need any attachment mechanism (does not need turbocompressor, and two do not need cylinder piston, and three do not need complicated distribution device); Volume is little---and become how much levels to reduce compared with the internal-combustion piston engine of same power; Power is large---and to become how much levels to increase compared with the internal-combustion piston engine of same volume; It is one of motor of current specific power and cost performance optimum; But, owing to being subject to the restriction of its inherent characteristic---its advanced feature must just can show under supersonic speed condition, so current this motor can not be applied to space flight and aviation field in addition.
Ramgen company of the U.S. transplants the principle of direct current type pressed engine in rotary engine, creatively melt direct current ramjet propulsion technology and combustion gas wheel technology in one, utilize dexterously High Rotation Speed wheel plate edge to produce relative supersonic airstream and carry out ram-compressed, successfully develop First
ramgen engineerrotary punching engine; The research of this respect is all being actively developed in countries in the world, the built-in revolving combustor pressed engine of professor Wang Yun of Nanchang University of aviation of China design
iRBRR, represented the dynamically basic of China's development rotary punching engine aspect and achieved.
But all structurally there is certain defect in the rotary punching engine of development both at home and abroad, as
ramgen engineerthe leakage problem of motor not can solve,
iRBRRmotor haves much room for improvement on the design of punching press mouth and built-in combustion chamber ignition problem, so, finally fail to make rotary punching engine be applied to reality; The present invention is novel has done optimal design to rotary punching engine structure, has solved the technical barrier of partial rotation pressed engine.
Summary of the invention
In order to make up the deficiencies in the prior art, the utility model provide a kind of start fast, punching press pressure ratio is high, punching press wheel seals, realizes the igniting of built-in combustion chamber completely and by the ZXCM-I rotary punching engine of the brand new of UTILIZATION OF VESIDUAL HEAT IN.
In order to reach above-mentioned technique effect, technical solutions of the utility model are, a kind of ZXCM-I rotary punching engine, comprises stator and rotor two large divisions, and described stator is made up of left end cap (101), middle cover (102), dividing plate (103), waste gas cylinder (104) and right end cap (105); Rotor is made up of the pre-propeller runner of the first order (106), the pre-propeller runner in the second level (107), punching press wheel (108), exhaust gas turbine (109) and main shaft (110), described rotor is arranged in stator by the high-speed bearing at main shaft two ends, high speed rotating in airtight stator space.
Above-mentioned a kind of ZXCM-I rotary punching engine, the left end cap (101) described in it is radially provided with air inlet (204), pump nozzle (203), is axially arranged with fuel oil supply nozzle (202), left end high-speed bearing (201); Outside air enters the pre-propeller runner of the first order (106) by air inlet, and fuel enters spindle hole by fuel oil supply nozzle, and lubricant oil enters left end high-speed bearing by pump nozzle.
Above-mentioned a kind of ZXCM-I rotary punching engine, the middle cover (102) described in it connects left end cap (101) right side, inside establishes air inlet guide vane (301); Middle cover mainly plays middle connection function, forms the installing space of dividing plate (103) and the pre-propeller runner of two-stage together with left end cap.
Above-mentioned a kind of ZXCM-I rotary punching engine, dividing plate (103) described in it is located between the pre-propeller runner of the pre-propeller runner of the first order (106) and the second level (107), dividing plate (103) left side is Diffuser (401), right side is return channel (402), Diffuser uses respectively spinning stop pin to be connected with left end cap (101) and middle cover (102) with return channel, forms the passage of first and second grade of pre-propeller runner air-flow.
Above-mentioned a kind of ZXCM-I rotary punching engine, the pre-propeller runner of the pre-propeller runner of the first order (106) and the second level (107) sliding sleeve described in it is between left end cap (101), middle cover (102) and dividing plate (103); The effect of the pre-propeller runner of two-stage is to provide high-speed rotational for punching press wheel entrance.
Above-mentioned a kind of ZXCM-I rotary punching engine, air inlet guide vane (301) described in it in the future conductance, to reversion, changes the direction of the pre-propeller runner in the second level (107) turn air-flow, and the punching press mouth (801) that makes itself and punching press take turns (108) is tangent.
Above-mentioned a kind of ZXCM-I rotary punching engine, waste gas cylinder (104) cylinder body described in it is provided with flame thrower (501), spark plug (502) and water fog generator (503) mounting hole, flame thrower is joined oxygen cylinder (using while only igniting) outward, when igniting, automatically light flame thrower by spark plug (502), flame thrower sprays to flame in waste gas cylinder with tangent direction; Flame thrower (501) center on design waste gas cylinder (104) body is concentric in the time that punching press wheel (108) is static with fuse primer (803) center, in the time that punching press wheel rotates to fuse primer center and flame thrower center superposition, flame is imported into fuse primer and reaches punching press wheel precombustion chamber (804), lights precombustion chamber combination gas; Its effect of water fog generator (503) is that the pinch roller that liquidates (108) carries out cooling to the interior water spray of waste gas cylinder (104).
Above-mentioned a kind of ZXCM-I rotary punching engine, the punching press wheel (108) described in it is provided with punching press mouth (801), centerbody (802), fuse primer (803), precombustion chamber (804), cavity (805), main combustion chamber (806), nozzle (807), fuel oil road (808), jet nozzle (809); Punching press wheel is completely sealed except punching press mouth (801) and jet nozzle (809), and its igniting is that the fuse primer (803) by being located at centerbody (802) center is lighted the flame importing precombustion chamber (804) of flame thrower (501) ejection by the mixed gas of precombustion chamber.
Above-mentioned a kind of ZXCM-I rotary punching engine, the right end cap (105) described in it is provided with waste gas guide vane (601), exhaust pipe (602), insulating ceramic ring (603), Expanded graphite ring (604), right-hand member high-speed bearing (605), pump nozzle (606); Waste gas guide vane (601) imports exhaust gas turbine (109) the high pressure mixed gas in waste gas cylinder (104), promote its rotation acting, tail gas is discharged atmosphere from tail gas discharging pipe (602), insulating ceramic ring (603) and Expanded graphite ring (604) play heat-blocking action to right-hand member high-speed bearing (605), and pump nozzle (606) is to right-hand member high-speed bearing lubricate.
Above-mentioned a kind of ZXCM-I rotary punching engine, exhaust gas turbine (109) sliding sleeve described in it is between waste gas guide vane (601) and right end cap (105); Utilize the high-temperature tail gas vaporization of punching press wheel (108) ejection to spray into the water smoke of waste gas cylinder (104) for cooling punching press wheel, in waste gas cylinder, form high pressure for the second time, through waste gas guide vane, high pressure mixed gas is imported to exhaust gas turbine, promote its rotation acting (UTILIZATION OF VESIDUAL HEAT IN).
Above-mentioned a kind of ZXCM-I rotary punching engine, main shaft (110) described in it is linked together pre-first order impeller (106), the pre-propeller runner in the second level (107), punching press wheel (108) and exhaust gas turbine (109), form rotor, overall sliding sleeve is in stator.
Technique effect of the present utility model is, by the Starter of setting up (joining the high-speed electric expreess locomotive of rotating speed 18000r/min outward), motor is taken to the rotating speed of 300r/s, the pre-propeller runner of the described first order moves up gas high-speed rotary, to the second level, pre-propeller runner provides the incoming flow of 135m/s, continue speed-raising through the pre-propeller runner in the second level, make the airspeed that enters punching press wheel punching press mouth reach 270m/s; High Rotation Speed together with described punching press wheel is coaxial with pre-propeller runner, both speed stacks, make the airspeed that enters punching press wheel punching press mouth reach supersonic speed, supersonic airstream punching press punching press wheel centerbody is subject to stagnation and produces shock wave, air is compressed, air-flow arrives precombustion chamber speed and drops to subsonic speed, and dynamic pressure reduces suddenly, and static pressure suddenly increases; Fuel is got rid of to form high pressure and spray into precombustion chamber through it into nozzle by the punching press of High Rotation Speed wheel and mixes with air through establishing fuel oil road in spindle hole and punching press wheel, be located at the flame ignition of the fuse primer importing at centerbody center, combination gas is expanded in the oxidized further aggravation of precombustion chamber, light the combination gas of both sides cavity simultaneously, form and stablize burning things which may cause a fire disaster; Flame is introduced main combustion chamber and is continued to expand, and produces higher temperature and pressure, from the ejection at a high speed of punching press wheel jet nozzle, promotes punching press wheel counterrotating acting; Described jet nozzle is sprayed onto red-hot tail gas in waste gas cylinder, meet with the water smoke of water fog generator ejection on waste gas cylinder body, spray vaporization, in waste gas cylinder, form high pressure for the second time with its waste heat, import exhaust gas turbine and promote exhaust gas turbine rotation acting (UTILIZATION OF VESIDUAL HEAT IN); Tail gas is in vaporization water smoke process, because its temperature is up to more than 1000 DEG C, part steam defendant is resolved into hydrogen and oxygen, in waste gas cylinder, there is slightly burning for the second time, part is further oxided in burning for the second time at the imperfect combustion fuel in punching press wheel firing chamber and carbon monoxide, waste gas is purified through water-bath, has reduced the discharge of harmful gas and dust, has reduced the pollution (environmental protection) to atmosphere environment.
Below in conjunction with accompanying drawing, the utility model is described in further detail
Fig. 1-be the utility model assembling sectional arrangement drawing;
Fig. 2 is left end cap (101) assembling sectional arrangement drawing;
Fig. 3 is middle cover (102) sectional arrangement drawing;
Fig. 4-A is dividing plate (103) assembling front view;
Fig. 4-B is dividing plate (103) assembling plan view;
Fig. 4-C is dividing plate (103) assembling worm's eye view;
Fig. 5-A is waste gas cylinder (104) assembling sectional arrangement drawing;
Fig. 5-B is waste gas cylinder (104) assembling drawing in side sectional elevation;
Fig. 6-A is right end cap (105) assembling sectional arrangement drawing;
Fig. 6-B is right end cap (105) assembling drawing in side sectional elevation;
Fig. 7 is rotor assembling sectional arrangement drawing;
Fig. 8-A is punching press wheel (108) assembling drawing in side sectional elevation;
Fig. 8-B is punching press wheel (108) assembling sectional arrangement drawing;
Fig. 8-C is punching press wheel (108) punching press road structural representation;
Fig. 1 comprises: left end cap (101), middle cover (102), dividing plate (103), waste gas cylinder (104), right end cap (105), the pre-propeller runner of the first order (106), the pre-propeller runner in the second level (107), punching press wheel (108), exhaust gas turbine (109), main shaft (110);
Fig. 2 comprises: left end cap (101), left end high-speed bearing (201), fuel oil supply nozzle (202), pump nozzle (203), air inlet (204);
Fig. 3 comprises: middle cover (102), air inlet guide vane (301);
Fig. 4-A comprises: dividing plate (103), Diffuser (401), return channel (402);
Fig. 4-B comprises: Diffuser (401);
Fig. 4-C comprises: return channel (402);
Fig. 5-A comprises: waste gas cylinder (104);
Fig. 5-B comprises: flame thrower mounting hole (501), spark plug mounting hole (502), water fog generator mounting hole (503);
Fig. 6-A comprises: right end cap (105), waste gas guide vane (601), exhaust pipe (602), insulating ceramic ring (603), Expanded graphite ring (604), right-hand member high-speed bearing (605), pump nozzle (606);
Fig. 6-B comprises: waste gas guide vane (601), exhaust pipe (602);
Fig. 7 comprises: the pre-propeller runner of the first order (106), the pre-propeller runner in the second level (107), punching press wheel (108), exhaust gas turbine (109), main shaft (110);
Fig. 8-A comprises: punching press wheel (108), punching press mouth (801), centerbody (802), fuse primer (803), precombustion chamber (804), cavity (805), main combustion chamber (806), nozzle (807), jet nozzle (809);
Fig. 8-B comprises: fuel oil road (808);
Fig. 8-C comprises: precombustion chamber (804), cavity (805), main combustion chamber (806).
Embodiment
Referring to Fig. 1 ~ Fig. 8, ZXCM-I rotary punching engine comprises stator and rotor two large divisions, and stator is made up of left end cap (101), middle cover (102), dividing plate (103), waste gas cylinder (104) and right end cap (105); Rotor is made up of the pre-propeller runner of the first order (106), the pre-propeller runner in the second level (107), punching press wheel (108), exhaust gas turbine (109) and main shaft (110), and described rotor rotates in airtight stator space; Rotor, by the Starter of setting up (being equipped with 18000r/min high-speed electric expreess locomotive) driven rotary, through the pre-propeller runner speed-raising of two-stage, is mentioned 270m/s by the airspeed that reaches punching press wheel punching press mouth (801); High Rotation Speed together with punching press wheel (108) is coaxial with the pre-propeller runner of two-stage, punching press wheel rim speed is 231m/s, with speed of incoming flow stack, the airspeed that enters punching press wheel punching press mouth reaches 501m/s; Supersonic airstream punching press punching press wheel centerbody (802) is subject to stagnation and produces shock wave, and air is compressed, and air-flow arrives precombustion chamber (804) speed and drops to subsonic speed, and dynamic pressure reduces suddenly, and static pressure suddenly increases; Fuel is crossed fuel oil supply nozzle (202) and is pumped into main shaft (110) center hole through setting up high pressure oil pump, fuel, under the effect of punching press wheel (108) huge centrifugal force, is established fuel oil road (808) and is dumped into nozzle (807) and forms high pressure and spray into precombustion chamber (804) by it and mix with air in punching press wheel; Precombustion chamber (804) is led in fuse primer (803) one end of being located at centerbody center, one end connects outside jet nozzle (809), flame thrower (501) on design waste gas cylinder body is (only for igniting, specially join oxygen cylinder) center and fuse primer center take turns when static concentric in punching press, in the time that punching press wheel rotates to fuse primer center and flame thrower center superposition, flame is imported into fuse primer and reaches punching press wheel precombustion chamber, light precombustion chamber combination gas, light both sides cavity (805) combination gas simultaneously, form and stablize burning things which may cause a fire disaster; Flame is introduced main combustion chamber (806) and is continued to expand, and produces higher temperature and pressure, from punching press wheel jet nozzle (809) ejection at a high speed, promotes punching press wheel (108) counterrotating acting; Described jet nozzle (809) is sprayed onto red-hot tail gas in waste gas cylinder (104), meet with the water smoke of water fog generator (503) ejection on waste gas cylinder body, with its waste heat spray vaporization, in waste gas cylinder (104), form high pressure for the second time, import exhaust gas turbine (109) and promote exhaust gas turbine rotation acting (UTILIZATION OF VESIDUAL HEAT IN), tail gas is finally discharged atmosphere from exhaust pipe (602); Tail gas is in vaporization water smoke process, because its temperature is up to more than 1000 DEG C, part steam is broken down into hydrogen and oxygen, in waste gas cylinder, there is slightly burning for the second time, part is further oxided in burning for the second time at the imperfect combustion fuel in punching press wheel firing chamber and carbon monoxide, waste gas is purified through water-bath, has reduced the discharge of harmful gas and dust, has reduced the pollution (environmental protection) to atmosphere environment.
Claims (8)
1. a ZXCM-I rotary punching engine, comprise by left end cap (101), middle cover (102), dividing plate (103), waste gas cylinder (104), the stator of right end cap (105) composition and by the pre-propeller runner of the first order (106), the pre-propeller runner in the second level (107), punching press wheel (108), exhaust gas turbine (109), the rotor two large divisions of main shaft (110) composition, it is characterized in that the pre-propeller runner of two-stage, punching press wheel and exhaust gas turbine are coaxial, be connected in turn and on main shaft, form rotor, be arranged in stator by the high-speed bearing at main shaft two ends, in airtight stator space, rotate.
2. ZXCM-I rotary punching engine according to claim 1, it is characterized in that described left end cap (101) is radially provided with air inlet (204), pump nozzle (203), be axially arranged with fuel oil supply nozzle (202), left end high-speed bearing (201), outside air enters the pre-propeller runner of the first order by intake duct, fuel enters spindle hole by fuel oil supply nozzle, and lubricant oil enters left end high-speed bearing by pump nozzle.
3. a kind of ZXCM-I rotary punching engine according to claim 1, it is characterized in that described middle cover (102) connects left end cap (101) right side, dividing plate (103) is arranged between left end cap and middle cover, form the return flow line (402) of the pre-propeller runner of diffusion passage (401) and the second level (107) of the pre-propeller runner of the first order (106), in middle cover, be provided with air inlet guide vane (301), the air-flow that pre-second level propeller runner is provided changes direction.
4. a kind of ZXCM-I rotary punching engine according to claim 1, it is characterized in that described waste gas cylinder (104) left side connects middle cover (102), waste gas cylinder is provided with flame thrower mounting hole (501), spark plug mounting hole (502) and water fog generator mounting hole (503), flame thrower in the time of engine start to waste gas in-cylinder injection flame, spark plug is lighted flame thrower in the time of engine start, water fog generator in the time of engine running to waste gas in-cylinder injection water smoke.
5. a kind of ZXCM-I rotary punching engine according to claim 1, it is characterized in that described right end cap (105) connects waste gas cylinder (104) right side, right end cap is radially provided with waste gas guide vane (601), exhaust pipe (602), pump nozzle (606), be axially arranged with insulating ceramic ring (603), Expanded graphite ring (604), right-hand member high-speed bearing (605); The waste gas that waste gas cylinder produces imports exhaust gas turbine by waste gas guide vane, and discharges motor by exhaust pipe, and lubricant oil enters right-hand member high-speed bearing by pump nozzle, and insulating ceramic ring and Expanded graphite ring play heat-blocking action to right-hand member high-speed bearing.
6. a kind of ZXCM-I rotary punching engine according to claim 1, it is characterized in that the described pre-propeller runner of the pre-propeller runner of the first order (106) and the second level (107) difference sliding sleeve is in the left and right sides of dividing plate (103), High Rotation Speed together with main shaft (110), plays and prewhirls and speed-raising effect entering the gas of motor.
7. a kind of ZXCM-I rotary punching engine according to claim 1, it is characterized in that described punching press wheel (108) is the main acting parts of motor, its inner rim is provided with punching press mouth (801), and outer rim is provided with centerbody (802), fuse primer (803), precombustion chamber (804), cavity (805), main combustion chamber (806), nozzle (807), fuel oil road (808) and jet nozzle (809); Except inner edge punching press mouth (import) and outer rim jet nozzle (outlet), all the other are completely sealed punching press wheel.
8. a kind of ZXCM-I rotary punching engine according to claim 1, it is characterized in that described exhaust gas turbine (109) passes through main shaft (110) near punching press wheel (108) right side, forms complete rotor with the pre-propeller runner of two-stage, punching press wheel together with main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420091342.4U CN204003154U (en) | 2014-03-03 | 2014-03-03 | ZXCM-I rotary punching engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420091342.4U CN204003154U (en) | 2014-03-03 | 2014-03-03 | ZXCM-I rotary punching engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204003154U true CN204003154U (en) | 2014-12-10 |
Family
ID=52043167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420091342.4U Expired - Fee Related CN204003154U (en) | 2014-03-03 | 2014-03-03 | ZXCM-I rotary punching engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204003154U (en) |
-
2014
- 2014-03-03 CN CN201420091342.4U patent/CN204003154U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20160303 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |