CN102536796A - Compensation gear pump for annular spoke springs - Google Patents
Compensation gear pump for annular spoke springs Download PDFInfo
- Publication number
- CN102536796A CN102536796A CN2011104625982A CN201110462598A CN102536796A CN 102536796 A CN102536796 A CN 102536796A CN 2011104625982 A CN2011104625982 A CN 2011104625982A CN 201110462598 A CN201110462598 A CN 201110462598A CN 102536796 A CN102536796 A CN 102536796A
- Authority
- CN
- China
- Prior art keywords
- outer end
- gear
- axis hole
- spoke
- end cap
- 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.)
- Granted
Links
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
A compensation gear pump for annular spoke springs comprises a drive shaft, a driven shaft, a main gear, a slave gear, an annular spoke main spring, an annular spoke slave spring, an end surface compensation plate, a front outer end cover, an end cover bolt, a pump body and a rear outer end cover, wherein the end surface compensation plate is arranged between the main gear and the front outer end cover as well as between the slave gear and the front outer end cover; the circular ring of the annular spoke main spring is fixed at the concave main annular corner on the back of the compensation plate; the spoke of the annular spoke main spring is propped against the inner side surface of the front outer end cover; the circular ring of the annular spoke slave spring is fixed at the concave slave annular corner on the back of the compensation plate; and the spoke of the annular spoke slave spring is propped against the inner side surface of the front outer end cover. According to the axial rebounding force generated because the spokes of the annular spoke main spring and the annular spoke slave spring are respectively propped against the inner side surface of the front outer end cover, the front plane surface of the end surface compensation plate is clung to the end plane surfaces on one side of the main gear and one side of the slave gear, so that the end plane surfaces on the other sides of the main gear and the slave gear are clung to the inner plane surface of the rear outer end cover to ensure the efficient operation of the gear pump all the while.
Description
Technical field
The invention belongs to mechanical engineering field, International Classification of Patents is the F04D non-varactor pump, relate to a kind of with mechanical energy convert into fluid pressure can the transformation of energy rotary volume pump, be meant a kind of ring spoke spring compensation gear pump especially.
Background technique
Rotary volume pump has the high advantage of efficient, but all exists its efficient of long-time running wearing and tearing back obviously to reduce, and causes the main cause of above-mentioned defective to be that movable isolation of end face between hyperbaric chamber and the low pressure chamber fail to play effective sealing.The undersized easy heat expansion of end face fit tolerance is stuck firmly; The end face fit tolerance is oversize then fails to play effective sealing; And long-time running wearing and tearing back sealing effect is poorer, and the production line of having to stop is changed pumping unit, causes very big direct waste and indirect loss.
In all rotary volume pumps, vane pump is widely used in each industry and commerce field because of plurality of advantages such as its compact structures.Perplexing its problem that always can not get effectively solving is: behind the long-term high speed operation, must wearing and tearing of its end face can not get effective compensation.China's license notification number: CN1059019C pendulum rotary vane pump; China's license notification number: CN100374725C rotating vane pump; China's license notification number: the arc toothed mesohigh gear pump of CN1316162C asymmetric double; The internal gear pump of China's license notification number: CN1081750C band plastic shell; China's license notification number: CN101120175B and China's license notification number: a CN101403382B gear pump for micro-miniature turbojet engine etc.; All do not see method and measure that practicable effective compensation is arranged, solve the end wear gap control problem of rotary volume pump.
Summary of the invention
The purpose of this invention is to provide a kind of ring spoke spring compensation gear pump; When effectively controlling radial clearance; Also possess end wear compensation isolation technology,, remedy the deficiency of existing technology to realize being in efficient external series gap state of a control all the time between hyperbaric chamber and the low pressure chamber; Fill up rotary volume pump when effectively controlling radial clearance, also possess the technological gap of end wear compensate for clearance control.
To achieve these goals; The present invention provides following technological scheme: a kind of ring spoke spring compensation gear pump; Comprise driving shaft, driven shaft, master gear, from gear, ring spoke main spring, ring spoke from spring, end-face compensate dish, preceding outer end cap, bolts, the pump housing, back outer end cap; The both ends of the surface of the described pump housing are vertical each other with two semicircle orifices, and outer end cap all has bolts fastening with the back outer end cap before being stamped respectively on the both ends of the surface; The protecgulum of outer end cap active axis hole is on the same axis with the bonnet active axis hole of back outer end cap before described; The driven axis hole of protecgulum of outer end cap is on the same axis with the driven axis hole of bonnet of back outer end cap before described, described driving shaft and protecgulum initiatively between axis hole and the bonnet active axis hole for being slidingly matched; Between driven axis hole of described driven shaft and protecgulum and the driven axis hole of bonnet for being slidingly matched, described master gear and driving shaft secure fit and between preceding outer end cap and back outer end cap; Described from gear and driven shaft secure fit and between preceding outer end cap and back outer end cap; Described master gear be meshing with each other from gear; As improvement: described master gear and between gear and preceding outer end cap, the end-face compensate dish is arranged; And compensating disc is carried on the back place, recessed main ring angle and is being fixed the annulus that encircles the spoke main spring, and the spoke of ring spoke main spring is pressed against the inboard face of front end enclosing cover; Recessed the fixing from the ring angle of the compensating disc back of the body encircled the annulus of spoke from spring, and the ring spoke is pressed against the inboard face of front end enclosing cover from the spoke of spring.
As further improvement: described end-face compensate dish have compensating disc initiatively axis hole and protecgulum initiatively axis hole and bonnet active axis hole are on the same axis; Described end-face compensate dish has driven axis hole of compensating disc and the driven axis hole of protecgulum and the driven axis hole of bonnet to be on the same axis; The two semicircle external frames of the compensating disc of described end-face compensate dish are slidingly matched with two semicircle orifices; The described end-face compensate dish back side also has compensating disc to carry on the back recessed main ring angle and the compensating disc back of the body is recessed from the ring angle.
Structural principle:
External force is through main shaft keyway input, by the related master gear rotation of driving shaft, through master gear be meshing with each other from gear, order about from the gear opposite spin master gear cylindrical and all be slidingly matched with two semicircle orifices from top circle.
Master gear and equal from the gear width.Compensating disc is carried on the back place, recessed main ring angle and is being fixed the annulus that encircles the spoke main spring, and the spoke of ring spoke main spring is pressed against the inboard face of front end enclosing cover; Recessed the fixing from the ring angle of the compensating disc back of the body encircled the annulus of spoke from spring, and the ring spoke is pressed against the inboard face of front end enclosing cover from the spoke of spring.Make the horizontal frontal plane of end-face compensate dish be close to master gear and from a side plane of gear; Force master gear and be close to the inner plane of outer end cap afterwards from the opposite side Transverse plane of gear; Guarantee that gear pump is in high-efficiency operation all the time, constitute axial end wear compensation gap control technology.
Master gear and from gear when rotated through adjacent two tooth working spaces, constantly bring liquid working media into adjacent two tooth working spaces from suction port, after the rotation semi-circumference, squeeze exhaust port, go round and begin again.
The invention has the beneficial effects as follows: the common axial rebounding force that produces of inboard face that is pressed against the front end enclosing cover by means of the spoke and the ring spoke of ring spoke main spring from the spoke of spring respectively; Make the horizontal frontal plane of end-face compensate dish be close to master gear and from a side plane of gear; Force master gear and be close to the inner plane of outer end cap afterwards, guarantee that gear pump is in high-efficiency operation all the time, constitute axial end wear compensation gap control technology from the opposite side Transverse plane of gear; Novel; Simple in structure, the convenient manufacturing, application market has a high potential.
Description of drawings
Fig. 1 is the whole sectional drawing through two main axiss of the present invention;
Fig. 2 is the P-P sectional view among Fig. 1;
Fig. 3 is the back side stereogram of the end-face compensate dish 40 among Fig. 1;
Fig. 4 is the sectional view in Q-Q cross section among Fig. 1;
Fig. 5 is a R-R step sectional view among Fig. 4.
Embodiment
In conjunction with accompanying drawing and embodiment, further structure of the present invention and working principle are elaborated.
A kind of ring spoke spring compensation gear pump; Comprise driving shaft 11, driven shaft 12, master gear 51, from gear 52, ring spoke main spring 31, ring spoke from spring 32, end-face compensate dish 40, preceding outer end cap 60, bolts 70, the pump housing 80, back outer end cap 90; The both ends of the surface of the described pump housing 80 are vertical each other with pair semicircle orifice 85, and outer end cap 60 all has bolts 70 fastening with back outer end cap 90 before being stamped respectively on the both ends of the surface; The protecgulum of outer end cap 60 active axis hole 61 is on the same axis with the bonnet active axis hole 91 of back outer end cap 90 before described; The driven axis hole 62 of the protecgulum of outer end cap 60 is on the same axis with the driven axis hole 92 of bonnet of back outer end cap 90 before described, described driving shaft 11 and protecgulum initiatively between axis hole 61 and the bonnet active axis hole 91 for being slidingly matched; Between driven axis hole 62 of described driven shaft 12 and protecgulum and the driven axis hole 92 of bonnet for being slidingly matched, described master gear 51 and driving shaft 11 secure fit and between preceding outer end cap 60 and back outer end cap 90; Described from gear 52 and driven shaft 12 secure fit and between preceding outer end cap 60 and back outer end cap 90; Described master gear 51 be meshing with each other from gear 52; As improvement: described master gear 51 and between gear 52 and preceding outer end cap 60, end-face compensate dish 40 is arranged; And compensating disc is carried on the back 431 places, recessed main ring angle and is being fixed the annulus that encircles spoke main spring 31, and the spoke of ring spoke main spring 31 is pressed against the inboard face of front end enclosing cover 60; Recessed the fixing from ring angle 432 of the compensating disc back of the body encircled the annulus of spoke from spring 32, and the ring spoke is pressed against the inboard face of front end enclosing cover 60 from the spoke of spring 32.
As further improvement: described end-face compensate dish 40 have compensating disc initiatively axis hole 411 and protecgulum initiatively axis hole 61 and bonnet initiatively axis hole 91 be on the same axis; Described end-face compensate dish 40 has the driven axis hole 412 of compensating disc to be on the same axis with driven axis hole 62 of protecgulum and the driven axis hole 92 of bonnet; The two semicircle external frames 48 of the compensating disc of described end-face compensate dish 40 are slidingly matched with two semicircle orifices 85; Described end-face compensate dish 40 back sides also have compensating disc to carry on the back recessed main ring angle 431 and the compensating disc back of the body is recessed from ring angle 432.
Embodiment's installation steps and working procedure are following.
Installation steps:
In Fig. 1, it is 17 numbers of teeth that embodiment selects master gear 51, also is 17 numbers of teeth from gear 52, and bolts 70 numbers of each side of the pump housing 80 are 6.
On a side end face of the pump housing 80, place gasket seal, rear end enclosing cover 90 is fixed on the side end face of the pump housing 80 with 6 bolts 70.
In the groove of bonnet active axis hole 91, put into driving shaft seal ring 21; In the groove of the driven axis hole 92 of bonnet, put into driven shaft seal ring 22.
With the appropriate location of master gear 51 stationary at driving shaft 11; Will be from the appropriate location of gear 52 stationary at driven shaft 12.Short exposed junction with driving shaft 11 inserts in the bonnet active axis hole 91 again; The short exposed junction of driven shaft 12 inserts in the driven axis hole 92 of bonnet, master gear 51 be meshing with each other from gear 52, make master gear 51 and pasting the inner plane of back outer end cap 90 from a side end face of gear 52.
With the horizontal frontal plane of end-face compensate dish 40 towards master gear 51 with from gear 52; Let compensating disc active axis hole 411 be inserted in the long exposed junction of driving shaft 11; Let the driven axis hole 412 of compensating disc be inserted in the long exposed junction of driven shaft 12; Make master gear 51 and pasting the horizontal frontal plane of end-face compensate dish 40 from the opposite side end face of gear 52, the two semicircle external frames of compensating disc are slidingly matched with two semicircle orifices 85.
The annulus that encircles spoke main spring 31 is fixed on compensating disc carries on the back 431 places, recessed main ring angle; To encircle spoke again, to be fixed on the compensating disc back of the body from the annulus of spring 32 recessed from ring angle 432.
In the groove of protecgulum active axis hole 61 and in the groove of the driven axis hole 62 of protecgulum, put into driving shaft seal ring 21 and driven shaft seal ring 22 respectively.
On the opposite side end face of the pump housing 80, place gasket seal; Preceding outer end cap 60 is fixed on the opposite side end face of the pump housing 80 with 6 bolts 70; Make the long exposed junction of driving shaft 11 pass through initiatively axis hole 61 of protecgulum, driving shaft keyway 17 is in outside the preceding outer end cap 60; The long exposed junction of driven shaft 12 passed through the driven axis hole 62 of protecgulum.
During the work operation:
In Fig. 2, external force,, is ordered about from gear 52 opposite spins through master and slave gear engagement by driving shaft 11 related master gears 51 rotations through driving shaft keyway 17 input, master gear 51 cylindricals and all be slidingly matched with two semicircle orifices from gear 52 cylindricals.
Compensating disc is carried on the back 431 places, recessed main ring angle and is being fixed the annulus that encircles spoke main spring 31, and the spoke of ring spoke main spring 31 is pressed against the inboard face of front end enclosing cover 60; Recessed the fixing from ring angle 432 of the compensating disc back of the body encircled the annulus of spoke from spring 32, and the ring spoke is pressed against the inboard face of front end enclosing cover 60 from the spoke of spring 32.Be pressed against the common axial rebounding force that produces of inboard face of front end enclosing cover 60 respectively from the spoke of spring 32 by means of spoke that encircles spoke main spring 31 and ring spoke; Make the horizontal frontal plane of end-face compensate dish 40 be close to master gear 51 and from a side plane of gear 52; Force master gear 51 and be close to the inner plane of outer end cap 90 afterwards from the opposite side Transverse plane of gear 52; Constitute axial end wear compensation gap control technology, guarantee that gear pump is in high-efficiency operation all the time.
Claims (2)
1. a ring spoke spring compensates gear pump; Comprise driving shaft (11), driven shaft (12), master gear (51), from gear (52), ring spoke main spring (31), ring spoke from spring (32), end-face compensate dish (40), preceding outer end cap (60), bolts (70), the pump housing (80), back outer end cap (90); The both ends of the surface of the described pump housing (80) are vertical each other with two semicircle orifices (85), be stamped respectively on the both ends of the surface preceding outer end cap (60) and afterwards outer end cap (90) all have bolts (70) fastening; The protecgulum of outer end cap (60) active axis hole (61) is on the same axis with the bonnet active axis hole (91) of back outer end cap (90) before described; The driven axis hole of protecgulum (62) of outer end cap (60) is on the same axis with the driven axis hole of bonnet (92) of back outer end cap (90) before described, described driving shaft (11) and protecgulum initiatively between axis hole (61) and the bonnet active axis hole (91) for being slidingly matched; Between described driven shaft (12) and the driven axis hole of protecgulum (62) and the driven axis hole of bonnet (92) for being slidingly matched, described master gear (51) and driving shaft (11) secure fit and be positioned at preceding outer end cap (60) and back outer end cap (90) between; Described from gear (52) and driven shaft (12) secure fit and be positioned at preceding outer end cap (60) and back outer end cap (90) between; Described master gear (51) be meshing with each other from gear (52); It is characterized in that: described master gear (51) and between gear (52) and preceding outer end cap (60), end-face compensate dish (40) is arranged; And compensating disc is carried on the back the annulus that ring spoke main spring (31) is located fixing in recessed main ring angle (431), and the spoke of ring spoke main spring (31) is pressed against the inboard face of front end enclosing cover (60); The compensating disc back of the body is recessed is fixing the annulus of ring spoke from spring (32) from ring angle (432), and the ring spoke is pressed against the inboard face of front end enclosing cover (60) from the spoke of spring (32).
2. a kind of ring spoke spring compensation gear pump according to claim 1 is characterized in that: described end-face compensate dish (40) has compensating disc active axis hole (411) and protecgulum active axis hole (61) and bonnet active axis hole (91) to be on the same axis; Described end-face compensate dish (40) has the driven axis hole of compensating disc (412) and driven axis hole of protecgulum (62) and the driven axis hole of bonnet (92) to be on the same axis; The two semicircle external frames (48) of the compensating disc of described end-face compensate dish (40) are slidingly matched with two semicircle orifices (85); Described end-face compensate dish (40) back side also has compensating disc to carry on the back recessed main ring angle (431) and the compensating disc back of the body is recessed from ring angle (432).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110462598.2A CN102536796B (en) | 2011-12-23 | 2011-12-23 | A kind of ring spoke spring compensation gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110462598.2A CN102536796B (en) | 2011-12-23 | 2011-12-23 | A kind of ring spoke spring compensation gear pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102536796A true CN102536796A (en) | 2012-07-04 |
| CN102536796B CN102536796B (en) | 2016-09-21 |
Family
ID=46344547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110462598.2A Expired - Fee Related CN102536796B (en) | 2011-12-23 | 2011-12-23 | A kind of ring spoke spring compensation gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102536796B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878072A (en) * | 2012-10-04 | 2013-01-16 | 张意立 | Pressure holding gear pump |
| CN102926996A (en) * | 2012-10-28 | 2013-02-13 | 张意立 | Double external thread spoke spring gear pump |
| CN103133342A (en) * | 2013-03-20 | 2013-06-05 | 张意立 | Gear pump with novel structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10141245A (en) * | 1996-11-01 | 1998-05-26 | Koyo Seiko Co Ltd | Gear pump |
| CN2538979Y (en) * | 2002-03-22 | 2003-03-05 | 朱林森 | Improved gear pump |
| CN1412439A (en) * | 2002-09-28 | 2003-04-23 | 宁波华液机器制造有限公司 | Internal gear pump |
| CN2547912Y (en) * | 2002-06-25 | 2003-04-30 | 程安强 | Hydraulic gear pump with axial sealing compensation device |
| CN2864158Y (en) * | 2005-11-09 | 2007-01-31 | 胡远祥 | Improved gear oil pump |
| CN102182673A (en) * | 2011-05-18 | 2011-09-14 | 张意立 | Four-line synchromesh spring compensation combination pump |
| CN202370841U (en) * | 2011-12-23 | 2012-08-08 | 张意立 | Ring spoke spring compensating gear pump |
-
2011
- 2011-12-23 CN CN201110462598.2A patent/CN102536796B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10141245A (en) * | 1996-11-01 | 1998-05-26 | Koyo Seiko Co Ltd | Gear pump |
| CN2538979Y (en) * | 2002-03-22 | 2003-03-05 | 朱林森 | Improved gear pump |
| CN2547912Y (en) * | 2002-06-25 | 2003-04-30 | 程安强 | Hydraulic gear pump with axial sealing compensation device |
| CN1412439A (en) * | 2002-09-28 | 2003-04-23 | 宁波华液机器制造有限公司 | Internal gear pump |
| CN2864158Y (en) * | 2005-11-09 | 2007-01-31 | 胡远祥 | Improved gear oil pump |
| CN102182673A (en) * | 2011-05-18 | 2011-09-14 | 张意立 | Four-line synchromesh spring compensation combination pump |
| CN202370841U (en) * | 2011-12-23 | 2012-08-08 | 张意立 | Ring spoke spring compensating gear pump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878072A (en) * | 2012-10-04 | 2013-01-16 | 张意立 | Pressure holding gear pump |
| CN102926996A (en) * | 2012-10-28 | 2013-02-13 | 张意立 | Double external thread spoke spring gear pump |
| CN102926996B (en) * | 2012-10-28 | 2016-04-06 | 温州市张衡科技服务有限公司 | A kind of two outside thread spoke spring gear pump |
| CN103133342A (en) * | 2013-03-20 | 2013-06-05 | 张意立 | Gear pump with novel structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102536796B (en) | 2016-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202370840U (en) | Internal pressure channel compensated gear pump | |
| CN102536799A (en) | Cylindrical-spring compensation gear pump | |
| CN102536795A (en) | Cone spring compensation gear pump | |
| CN202370832U (en) | Internal pressure channel compensated inner and outer gear pump | |
| CN102536797A (en) | Compensation gear pump for air pocket rings | |
| CN202391723U (en) | Air sag ring compensation gear pump | |
| CN102536796A (en) | Compensation gear pump for annular spoke springs | |
| CN202370833U (en) | Internal and external gear pump compensated by cylindrical spring | |
| CN202391724U (en) | Cylindrical spring compensation gear pump | |
| CN102536798A (en) | Compensation gear pump for internal-pressure passage | |
| CN102518587B (en) | Compensating internal-external gear pump for internal pressure passage | |
| CN202370829U (en) | Ring-shaped air bag compensating internal and external gear pump | |
| CN202370841U (en) | Ring spoke spring compensating gear pump | |
| CN202370839U (en) | Gear pump compensated by conical spring | |
| CN102418696B (en) | A kind of cylindrical spring compensation internal/external gear pump | |
| CN202370830U (en) | Inner and outer gear pump with excircle spoke spring compensation function | |
| CN202370831U (en) | Pagoda-shaped spring compensated internal-external gear pump | |
| CN102900667B (en) | A kind of two flange cylindrical spring gear pump | |
| CN102434454B (en) | A kind of cylindrical spoke spring compensation internal-external gear pump | |
| CN102410212B (en) | Tower spring compensation inner and outer gear wheel pump | |
| CN202370843U (en) | Small spring and airbag combined compensation single-chamber vane pump | |
| CN203035541U (en) | Pressure maintaining gear pump | |
| CN202326216U (en) | Flat spring pagoda-like spring combined compensation single cavity vane pump | |
| CN202867206U (en) | Dual-external-thread spoke spring gear pump | |
| CN102410211B (en) | Annular gasbag compensation inner and outer gear wheel pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Donglan Inventor after: Zhang Yili Inventor before: Zhang Yili |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160810 Address after: 325000 Zhejiang Wenzhou city Longwan District Puzhou Street Bu Cun Pujiang Bei Lu faculty Dormitory Room 202 Applicant after: Wenzhou Zhangheng Technology Service Co., Ltd. Address before: 325000 Zhejiang Province, Lucheng District, South Gate Street, building, room No. 1, building, Room 303 Applicant before: Zhang Yili |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Shaofang Inventor before: Sun Donglan Inventor before: Zhang Yili |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170401 Address after: 414000 Hunan city of Yueyang province tea village Kang District Economic and Technological Development Zone Xiang new flag group Patentee after: HUNAN BALING KILN AND FURNACE ENERGY SAVING CO., LTD. Address before: 325000 Zhejiang Wenzhou city Longwan District Puzhou Street Bu Cun Pujiang Bei Lu faculty Dormitory Room 202 Patentee before: Wenzhou Zhangheng Technology Service Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20171223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |