CN2668880Y - Air filter - Google Patents
Air filter Download PDFInfo
- Publication number
- CN2668880Y CN2668880Y CNU200320107513XU CN200320107513U CN2668880Y CN 2668880 Y CN2668880 Y CN 2668880Y CN U200320107513X U CNU200320107513X U CN U200320107513XU CN 200320107513 U CN200320107513 U CN 200320107513U CN 2668880 Y CN2668880 Y CN 2668880Y
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- Prior art keywords
- filter core
- ring
- seal
- pull bar
- shell
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- Expired - Fee Related
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Abstract
The utility model discloses an air filter. An open barrel body which is positioned in the outer housing is arranged on the retainer cover of the outer housing, and the seal ring and the retainer ring of the filter core which are made of flexible materials have an integral structure; the inner shape of the retainer ring is matched with the outer shape of the barrel body, and the retainer ring is sheathed outside the barrel body through an interference fit mode; the seal ring contacts with the retainer cover, or an open barrel body which is positioned in the outer housing is arranged on the retainer cover; the other end of the shaft direction of the filter core adopts a retainer ring made of flexible materials, the inner shape of the retainer ring is matched with the outer shape of the barrel body, and the retainer ring is sheathed outside the barrel body through an interference fit mode and contacts with the retainer cover; the barrel body can guarantee the filter core to be assembled in the right position, realizing that the single retainer ring or the seal ring in the integral structure doesn't loose, the end face between the single retainer ring or the seal ring in the integral structure and the retainer cover is sealed, and the circumferential direction between the single retainer ring or the retainer ring in the integral structure and the barrel body is sealed. The utility model with the advantages of good sealing performance and strong reliability can prevent motors from premature wear.
Description
Technical field
The utility model relates to a kind of filter cleaner, particularly relates to a kind of good sealing effect and good reliability, can effectively avoid motor car engine the air-strainer of premature wear to occur.
Background technique
At present, it is very general that premature wear (abbreviation is mill early) appears in the motor car engine that domestic car load uses, and each engine works is quite big because of motor occurs early grinding the amount of money of compensating every year.Motor car engine occurs early, and mill mainly is owing to be equipped with the poor sealing performance of air-strainer thereon, road conditions bad and make Motor Vehicle occur jolting and the situation of engine operation vibrations under produce intermittent gas leakage (being commonly called as short circuit phenomenon), make unclean air directly enter due to the motor.
The structure of existing a kind of air-strainer is:
On the circumferential side wall of shell suction tude is arranged, on the door of an axial end steam outlet pipe is arranged, suction tude is provided with the air inlet cap assembly, steam outlet pipe is provided with the maintenance indicator, there is the bracket of band pull bar the inside of steam outlet pipe, pull bar passes shell and its traversing through end is shaped on screw thread, the filter core (be commonly called as main filter core and play main filtration in air-strainer) of outside suit blade ring passes the axial the other end of shell, the traversing through end of pull bar is placed in the shell, filter core is by the filter paper that is clipped between inside and outside two-layer pillar, the metal collar of being located at the metal seal at the axial two ends of pillar respectively and being bonded with rubber seal is formed, the flange of blade ring contacts with the metal collar of filter core, the nut of the metal seal of spinning contact filter core on the pull bar, the flange of blade ring is closely contacted (at this moment with door with rubber seal on the metal collar, rubber seal is compressed), between the metal seal of door and filter core, locate to install the safe filter core (in air-strainer, playing less important filtration) that is in the filter core on the pull bar, safe filter core is by being coated on the outer felt of pillar, the safe filter core back-up ring of being located at the safe filter core seal at the axial two ends of pillar respectively and being bonded with rubber seal is formed, safe filter core seal and safe filter core back-up ring all adopt metallic material to make, another nut of spinning touch-safe filter core seal on the pull bar, rubber seal on the safe filter core back-up ring is closely contacted with door, install the another nut of spinning contact capping after the capping on the pull bar, make capping and enclosure axis to the other end be connected, capping is provided with dust-exhausting bag.
For existing above-mentioned this air-strainer, it is carried out modification also can obtain following other three kinds of air-strainer, be summarized as follows respectively: take away blade ring, and other parts and mutual Placement remain unchanged, obtain a kind of air-strainer; Take away safe filter core, and other parts and mutual Placement remain unchanged, obtain another kind of air-strainer; Take away blade ring and safe filter core, and other parts and mutual Placement remain unchanged, and obtain another air-strainer.
According to detection, play the filter core of main filtration as long as dress just (promptly is assembled to the position), and guarantee rubber seal and door no-float (promptly taking end face seal) on the metal collar, can satisfy the seal request of existing air-strainer fully.But in manufacturing, use, maintenance process, to make that the described rubber seal of filter core and door are difficult to good fit because of the existence of following defective, so that can't satisfy the seal request of existing air-strainer, now is analyzed as follows substantially:
In the manufacture process, the installation of filter core is entirely with operator's experience, makes filter core be difficult for being seated and deviation occurs, and like this, the described rubber seal of filter core and door are difficult to good fit.
In the using process, the described rubber seal of filter core is easily become flexible, is come off because of aging, and like this, good fit being difficult to of described rubber seal and door continues.
In the maintenance process, need regularly filter core to be changed, existing air-strainer for the horizontal installation of most employing (being that level is installed), owing to be renew cartridge more under the situation of not dismantling air-strainer, influenced by the filter core of suit blade ring or the weight of independent filter core, the axis of filter core is offset downward, can't guarantee that filter core is seated, like this, be bonded in rubber seal on the metal collar and just can not guarantee parallelly with door, nut and filter shaft make the described rubber seal of filter core and the peripheral decrement of door not wait after the metal seal of the other end contacts, therefore, described rubber seal and door can't be good fit; And adopt the vertically existing air-strainer of installation for minority, be renew cartridge more under the situation of not dismantling air-strainer equally, the also complete experience of the installation of filter core with the maintenance man, more make filter core be difficult for being seated and deviation occurs, like this, the described rubber seal of filter core and door are difficult to good fit; In addition, for the existing air-strainer that has safe filter core, when described safe filter core is changed, the rubber seal that is bonded on the safe filter core back-up ring is easily stayed on the door by sticking, owing to also be under the situation of not dismantling air-strainer, to change described safe filter core, be difficult for observing this phenomenon, like this, after changing new safe filter core, corresponding position on door has formed two described rubber seal, because of being subjected to shell, the restriction of the installation dimension chain of pull bar, make the decrement deficiency of the rubber seal on the filter core that in air-strainer, plays main filtration, therefore, the described rubber seal of filter core and door can't be good fit.
In sum, because existing air-strainer exists some shortcomings part on the structural design (as: for the filter core that plays main filtration, there is not the structure that to guarantee that it is seated in the existing air-strainer, the described rubber seal of this filter core and metal collar are to form by bonding way to divide body structure), making like this, use, in the maintenance process, because of the existence of above-mentioned defective can not realize the described rubber seal of filter core and the end face seal between the door, can't satisfy the seal request of existing air-strainer, therefore, the sealing effect of existing air-strainer is good and reliability is relatively poor, easily make motor car engine premature wear occur.
The model utility content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, a kind of good sealing effect and good reliability is provided, can effectively avoids motor car engine the air-strainer of premature wear to occur.
For achieving the above object, the utility model provides a kind of air-strainer, on the circumferential side wall of its shell suction tude is arranged, steam outlet pipe is arranged on the door of an axial end and be in the interior opening cylindrical shell of shell, there is the bracket of band pull bar the inside of steam outlet pipe, pull bar passes shell and its traversing through end is shaped on screw thread, filter core passes the axial the other end of shell, the traversing through end of pull bar is placed in the shell, the axial two ends of filter core are respectively the back-up ring of seal and band seal ring, seal ring and back-up ring overall structure for adopting flexible material to make, the interior shape of back-up ring and the profile of cylindrical shell match, the nut of spinning contact seal on the pull bar, making back-up ring be enclosed within the outer and seal ring of cylindrical shell with interference fit contacts with door, install another nut of spinning contact capping after the capping on the pull bar, make capping and enclosure axis to the other end be connected.
During use, the utility model is installed on the motor car engine gets final product.
As improvement of the present utility model, there is limit dais the inner of described steam outlet pipe, between door and seal, locate to install the safe filter core that is in the filter core on the described pull bar, the profile of the safe filter core back-up ring that the employing flexible material is made and the interior shape of cylindrical shell match, the another nut of spinning touch-safe filter core seal on the pull bar makes safe filter core back-up ring be inserted in the cylindrical shell with interference fit and safe filter core back-up ring contacts with limit dais.
In addition, described flexible material is a polyurethane foam material.
For achieving the above object, the utility model also provides a kind of air-strainer, on the circumferential side wall of its shell suction tude is arranged, steam outlet pipe is arranged on the door of an axial end and be in the interior opening cylindrical shell of shell, there is the bracket of band pull bar the inside of steam outlet pipe, pull bar passes shell and its traversing through end is shaped on screw thread, filter core passes the axial the other end of shell, the traversing through end of pull bar is placed in the shell, an axial end of filter core is that seal and its contact with the nut of spinning on pull bar, the back-up ring of the axial the other end of filter core for adopting flexible material to make, the interior shape of back-up ring and the profile of cylindrical shell match, back-up ring is enclosed within outside the cylindrical shell and with door with interference fit and contacts, install another nut of spinning contact capping after the capping on the pull bar, make capping and enclosure axis to the other end be connected.
During use, the utility model is installed on the motor car engine gets final product.
As improvement of the present utility model, there is limit dais the inner of described steam outlet pipe, between door and seal, locate to install the safe filter core that is in the filter core on the described pull bar, the profile of the safe filter core back-up ring that the employing flexible material is made and the interior shape of cylindrical shell match, the another nut of spinning touch-safe filter core seal on the pull bar makes safe filter core back-up ring be inserted in the cylindrical shell with interference fit and safe filter core back-up ring contacts with limit dais.
In addition, described flexible material is a polyurethane foam material.
Adopt after the above structure, because the opening cylindrical shell that is in the shell is arranged on the door, the seal ring of filter core and back-up ring overall structure for adopting flexible material to make, the interior shape of back-up ring and the profile of cylindrical shell match, back-up ring is enclosed within outside the cylindrical shell with interference fit, seal ring contacts with door, the opening cylindrical shell that is in the shell is perhaps arranged on the door, the back-up ring of the axial the other end of filter core for adopting flexible material to make, the interior shape of back-up ring and the profile of cylindrical shell match, back-up ring is enclosed within outside the cylindrical shell and with door with interference fit and contacts, like this, for the filter core that in air-strainer, plays main filtration, the setting of cylindrical shell can be played the effect of guaranteeing that it is seated, seal ring in the overall structure or independent back-up ring can not become flexible, come off, make this air-strainer have the structure of a cover double-sealing, seal ring or independent back-up ring and end face seal between the door in the overall structure had both been realized, back-up ring or independent back-up ring and circumferential seal between the cylindrical shell in the overall structure have been realized again, thereby eliminated the defective that influences this air-strainer seal request, can satisfy this air-strainer is making, use, therefore seal request in the maintenance process makes the good sealing effect and the good reliability of this air-strainer, can effectively avoid motor car engine premature wear to occur.
Description of drawings
Fig. 1 is the structural representation of the utility model first mode of execution;
Fig. 2 is the structural representation of the utility model second mode of execution.
Embodiment
Below in conjunction with accompanying drawing two mode of executions of the present utility model are specifically described:
First mode of execution:
Referring to Fig. 1, circular steam outlet pipe 14 and the circular open cylindrical shell 12 that is in the shell 1 are arranged on the door 1a of cylinder-like shell 1 axial left end, steam outlet pipe 14 and cylindrical shell 12 and shell 1 coaxial line, steam outlet pipe 14 and the integrative-structure of cylindrical shell 12 for adopting sheet metal to make, to guarantee both alignments, be convenient to install, the outer wall of steam outlet pipe 14 is provided with maintenance indicator (not shown), there is limit dais 15 the inner of steam outlet pipe 14, there is the bracket 13 of band pull bar 8 inside, limit dais 15 has the circular cylinder body of opening bottom surface for right-hand member, passes shell 1 with the pull bar 8 of shell 1 coaxial line and its traversing through end is shaped on screw thread.
The filter core of outside suit blade ring 18 passes the axial right-hand member of shell 1, the traversing through end of pull bar 8 is placed in the shell 1, and blade ring 18 is positioned at the axial left side of shell 1, filter core is by the filter paper 21 that is clipped in 20 of inside and outside two-layer circular pillars, being located at the circular seal 3 at pillar 20 axial two ends and the ring back-up ring 17 of band seal ring 16 respectively forms, seal ring 16 and the overall structure of back-up ring 17 for adopting polyurethane foam material to make in the foaming mode, the flange of blade ring 18 contacts with back-up ring 17, the profile of the interior shape of back-up ring 17 and cylindrical shell 12 matches, the nut 2 of spinning contact seal 3 on the pull bar 8, back-up ring 17 is enclosed within outside the cylindrical shell 12 with interference fit, and the flange of blade ring 18 closely contacts (at this moment with the inwall of door 1a with seal ring 16, seal ring 16 is compressed), like this, for the filter core that plays main filtration, the setting of cylindrical shell 12 can be played the effect of guaranteeing that it is seated, seal ring 16 in the overall structure can not become flexible, come off, make this air-strainer have the structure of a cover double-sealing, both realize seal ring 16 in the overall structure and the end face seal between the door 1a, realized back-up ring 17 in the overall structure and circumferential seal between the cylindrical shell 12 again.
Between door 1a and seal 3, locate to install the safe filter core that is in the filter core on the pull bar 8, safe filter core is by the felt 10 that is coated on outside the circular pillar 9, being located at the circular safe filter core seal 7 and the ring safety filter core back-up ring 11 at pillar 9 axial two ends respectively forms, adopt the profile of the safe filter core back-up ring 11 that polyurethane foam material makes in the foaming mode and the interior shape of cylindrical shell 12 to match, the nut 6 of spinning touch-safe filter core seal 7 on the pull bar 8, safe filter core back-up ring 11 is inserted in the cylindrical shell 12 with interference fit, and safe filter core back-up ring 11 closely contacts with the bottom surface of limit dais 15, and (at this moment, safe filter core back-up ring 11 is compressed; As seen, independent safe filter core back-up ring 11 has replaced the metal safety filter core back-up ring that is bonded with rubber seal in the existing safe filter core), like this, for the safe filter core that plays less important filtration, the setting of cylindrical shell 12 can be played the effect of guaranteeing that it is seated, independent safe filter core back-up ring 11 can play the effect of rubber seal and can not become flexible, come off, make this air-strainer have the structure of another set of double-sealing, both realize the end face seal between safe filter core back-up ring 11 and the limit dais 15, realized the circumferential seal between safe filter core back-up ring 11 and the cylindrical shell 12 again.
There is circular suction tude 19 in the axial left side of shell 1 circumferential side wall corresponding to blade ring 18 places, and suction tude 19 is provided with air inlet cap assembly (not shown).Install the nut 5 of circular closure 4 back spinnings contact cappings 4 on the pull bar 8, capping 4 and shell 1 axial right-hand member is connected, capping 4 is provided with dust-exhausting bag 4a.
Adopt after the above structure, eliminated the defective that influences this air-strainer seal request, can satisfy the seal request of this air-strainer in manufacturing, use, maintenance process, therefore make the good sealing effect of this air-strainer and good reliability, can effectively avoid motor car engine premature wear to occur.
Second mode of execution:
Referring to Fig. 2, circular steam outlet pipe 13 and the circular open cylindrical shell 15 that is in the shell 1 are arranged on the door 1a of cylinder-like shell 1 axial left end, steam outlet pipe 13 and cylindrical shell 15 and shell 1 coaxial line, steam outlet pipe 13 and the integrative-structure of cylindrical shell 15 for adopting sheet metal to make, to guarantee both alignments, be convenient to install, the outer wall of steam outlet pipe 13 is provided with maintenance indicator (not shown), there is limit dais 14 the inner of steam outlet pipe 13, there is the bracket 12 of band pull bar 8 inside, limit dais 14 has the circular cylinder body of opening bottom surface for right-hand member, passes shell 1 with the pull bar 8 of shell 1 coaxial line and its traversing through end is shaped on screw thread.
Filter core passes the axial right-hand member of shell 1, the traversing through end of pull bar 8 is placed in the shell 1, circular seal 3 and ring back-up ring 16 that filter core is located at pillar 18 axial two ends by the filter paper 19 that is clipped in 18 of inside and outside two-layer circular pillars, are respectively formed, back-up ring 16 adopts polyurethane foam material to make in the foaming mode, the profile of the interior shape of back-up ring 16 and cylindrical shell 15 matches, seal 3 contacts with the nut 2 of spinning on pull bar 8, back-up ring 16 is enclosed within outside the cylindrical shell 15 with interference fit, and back-up ring 16 closely contacts with the inwall of door 1a, and (at this moment, back-up ring 16 is compressed; As seen, independent back-up ring 16 has replaced the metal collar that is bonded with rubber seal in the existing main filter core, can play the effect of rubber seal), like this, for the filter core that plays main filtration, the setting of cylindrical shell 15 can be played the effect of guaranteeing that it is seated, independent back-up ring 16 can not become flexible, come off, make this air-strainer have the structure of a cover double-sealing, both realize the end face seal between independent back-up ring 16 and the door 1a, realized the circumferential seal between independent back-up ring 16 and the cylindrical shell 15 again.
Between door 1a and seal 3, locate to install the safe filter core that is in the filter core on the pull bar 8, safe filter core is by the felt 10 that is coated on outside the circular pillar 9, being located at the circular safe filter core seal 7 and the ring safety filter core back-up ring 11 at pillar 9 axial two ends respectively forms, adopt the profile of the safe filter core back-up ring 11 that polyurethane foam material makes in the foaming mode and the interior shape of cylindrical shell 15 to match, the nut 6 of spinning touch-safe filter core seal 7 on the pull bar 8, safe filter core back-up ring 11 is inserted in the cylindrical shell 15 with interference fit, and safe filter core back-up ring 11 closely contacts with the bottom surface of limit dais 14, and (at this moment, safe filter core back-up ring 11 is compressed; As seen, independent safe filter core back-up ring 11 has replaced the metal safety filter core back-up ring that is bonded with rubber seal in the existing safe filter core), like this, for the safe filter core that plays less important filtration, the setting of cylindrical shell 15 can be played the effect of guaranteeing that it is seated, independent safe filter core back-up ring 11 can play the effect of rubber seal and can not become flexible, come off, make this air-strainer have the structure of another set of double-sealing, both realize the end face seal between safe filter core back-up ring 11 and the limit dais 14, realized the circumferential seal between safe filter core back-up ring 11 and the cylindrical shell 15 again.
There is circular suction tude 17 at the place, axial left side of shell 1 circumferential side wall, and suction tude 17 is provided with air inlet cap assembly (not shown).Install the nut 5 of circular closure 4 back spinnings contact cappings 4 on the pull bar 8, capping 4 and shell 1 axial right-hand member is connected, capping 4 is provided with dust-exhausting bag 4a.
Adopt after the above structure, eliminated the defective that influences this air-strainer seal request, can satisfy the seal request of this air-strainer in manufacturing, use, maintenance process, therefore make the good sealing effect of this air-strainer and good reliability, can effectively avoid motor car engine premature wear to occur.
Above-described only is two kinds of preferred implementations of the present utility model.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.Also can be installed in independently such as: opening cylindrical shell on the inwall of door (promptly becoming the branch body structure between this cylindrical shell and the steam outlet pipe); Described flexible material also can adopt other flexible materials such as rubber; The shape of the pillar of the two-layer pillar of filter core, safe filter core, shell, suction tude, steam outlet pipe, capping also can correspondingly adopt square or other suitable shapes; In addition, for first mode of execution of the present utility model, it is carried out modification also can obtain following other three kinds of mode of executions, be summarized as follows respectively: take away blade ring, and other parts and mutual Placement remain unchanged, and obtain a kind of mode of execution; Take away safe filter core and limit dais, and other parts and mutual Placement remain unchanged, obtain another kind of mode of execution; Take away blade ring, safe filter core and limit dais, and other parts and mutual Placement remain unchanged, obtain another mode of execution; For second mode of execution of the present utility model, take away safe filter core and limit dais, and other parts and mutual Placement remain unchanged, also can obtain other a kind of mode of execution.
Claims (6)
1, air-strainer, on the circumferential side wall of shell suction tude is arranged, on the door of an axial end steam outlet pipe is arranged, there is the bracket of band pull bar the inside of steam outlet pipe, pull bar passes shell and its traversing through end is shaped on screw thread, filter core passes the axial the other end of shell, the traversing through end of pull bar is placed in the shell, the axial two ends of filter core are respectively the back-up ring of seal and band seal ring, the nut of spinning contact seal on the pull bar, seal ring is contacted with door, install another nut of spinning contact capping after the capping on the pull bar, make capping and enclosure axis to the other end be connected, it is characterized in that: the opening cylindrical shell that is in the shell is arranged on the door, seal ring and back-up ring overall structure for adopting flexible material to make, the interior shape of back-up ring and the profile of cylindrical shell match, and back-up ring is enclosed within outside the cylindrical shell with interference fit.
2, air-strainer according to claim 1, it is characterized in that: there is limit dais the inner of described steam outlet pipe, between door and seal, locate to install the safe filter core that is in the filter core on the described pull bar, the profile of the safe filter core back-up ring that the employing flexible material is made and the interior shape of cylindrical shell match, the another nut of spinning touch-safe filter core seal on the pull bar makes safe filter core back-up ring be inserted in the cylindrical shell with interference fit and safe filter core back-up ring contacts with limit dais.
3, air-strainer according to claim 1 and 2 is characterized in that: described flexible material is a polyurethane foam material.
4, air-strainer, on the circumferential side wall of shell suction tude is arranged, on the door of an axial end steam outlet pipe is arranged, there is the bracket of band pull bar the inside of steam outlet pipe, pull bar passes shell and its traversing through end is shaped on screw thread, filter core passes the axial the other end of shell, the traversing through end of pull bar is placed in the shell, an axial end of filter core is that seal and its contact with the nut of spinning on pull bar, install another nut of spinning contact capping after the capping on the pull bar, make capping and enclosure axis to the other end be connected, it is characterized in that: the opening cylindrical shell that is in the shell is arranged on the door, the back-up ring of the axial the other end of filter core for adopting flexible material to make, the interior shape of back-up ring and the profile of cylindrical shell match, and back-up ring is enclosed within outside the cylindrical shell and with door with interference fit and contacts.
5, air-strainer according to claim 4, it is characterized in that: there is limit dais the inner of described steam outlet pipe, between door and seal, locate to install the safe filter core that is in the filter core on the described pull bar, the profile of the safe filter core back-up ring that the employing flexible material is made and the interior shape of cylindrical shell match, the another nut of spinning touch-safe filter core seal on the pull bar makes safe filter core back-up ring be inserted in the cylindrical shell with interference fit and safe filter core back-up ring contacts with limit dais.
6, according to claim 4 or 5 described air-strainer, it is characterized in that: described flexible material is a polyurethane foam material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200320107513XU CN2668880Y (en) | 2003-12-08 | 2003-12-08 | Air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200320107513XU CN2668880Y (en) | 2003-12-08 | 2003-12-08 | Air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2668880Y true CN2668880Y (en) | 2005-01-05 |
Family
ID=34438680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200320107513XU Expired - Fee Related CN2668880Y (en) | 2003-12-08 | 2003-12-08 | Air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2668880Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1818367B (en) * | 2005-02-08 | 2011-03-30 | 本田技研工业株式会社 | Air cleaner |
| CN102518535A (en) * | 2011-12-09 | 2012-06-27 | 福田雷沃国际重工股份有限公司 | Novel air filter |
| CN102852677A (en) * | 2012-08-30 | 2013-01-02 | 蚌埠华泰滤清器有限公司 | Air filter assembly |
| CN104121119A (en) * | 2014-08-09 | 2014-10-29 | 蚌埠国威滤清器有限公司 | Dry-type air cleaner |
-
2003
- 2003-12-08 CN CNU200320107513XU patent/CN2668880Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1818367B (en) * | 2005-02-08 | 2011-03-30 | 本田技研工业株式会社 | Air cleaner |
| CN102518535A (en) * | 2011-12-09 | 2012-06-27 | 福田雷沃国际重工股份有限公司 | Novel air filter |
| CN102852677A (en) * | 2012-08-30 | 2013-01-02 | 蚌埠华泰滤清器有限公司 | Air filter assembly |
| CN104121119A (en) * | 2014-08-09 | 2014-10-29 | 蚌埠国威滤清器有限公司 | Dry-type air cleaner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BENGBU JINWEI FILTERS LTD. Free format text: FORMER OWNER: BENGBO FILTER CO., LTD. Effective date: 20060310 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060310 Address after: 233010 Middle Road, hi tech Development Zone, Bengbu, Anhui Patentee after: Bengbu Jinwei Filters Co., Ltd. Address before: 233043 No. 224 East Fengyang Road, Anhui, Bengbu Patentee before: Bengbo Filter Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050105 Termination date: 20111208 |