CN103821736A - Direct-current low-voltage outer-rotor typed brushless scraper pump - Google Patents
Direct-current low-voltage outer-rotor typed brushless scraper pump Download PDFInfo
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- CN103821736A CN103821736A CN201410036508.7A CN201410036508A CN103821736A CN 103821736 A CN103821736 A CN 103821736A CN 201410036508 A CN201410036508 A CN 201410036508A CN 103821736 A CN103821736 A CN 103821736A
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- scraper
- pump
- low
- rotation type
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Abstract
The invention relates to a direct-current low-voltage outer-rotor typed brushless scraper pump comprising a motor outer cover (1), a direct-current low-voltage outer-rotor typed brushless motor (2) placed inside the motor outer cover (1) and a scraper pump (4) connected with an output shaft (6) of the direct-current low-voltage outer-rotor typed brushless motor (2) via a coupler (3). The direct-current low-voltage outer-rotor typed brushless motor (2) is adopted as a driving unit, a low-voltage high-power outer-rotor motor, which is a model airplane motor sold in market, is adopted as the direct-current low-voltage outer-rotor typed brushless motor (2) and can be driven by direct current and is suitable for field severe environment. The direct-current low-voltage outer-rotor typed brushless scraper pump is particularly suitable for driving units used for sampling constant gas in a dust sampling instrument related to environmental monitoring.
Description
Technical field
The present invention relates to a kind of scraper pump, especially relate to the brushless scraper pump of a kind of DC low-voltage outward rotation type.
Background technique
Scraper pump now application is very extensive, and what now traditional scraper pump adopted is traditional direct current generator, and power consumption and noise are very large, volume weight, and conversion efficiency is low, is unfavorable for energy-conserving and environment-protective.
Summary of the invention
The present invention be mainly solve the existing power consumption of prior art and noise very large, volume weight, conversion efficiency is low, is unfavorable for the technical problem of energy-conserving and environment-protective etc.; Provide a kind of volume little, lightweight, power consumption is very little, and noise reduces greatly, and efficiency reaches more than 98%, is conducive to the brushless scraper pump of a kind of DC low-voltage outward rotation type of energy-conserving and environment-protective.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
The brushless scraper pump of a kind of DC low-voltage outward rotation type, it is characterized in that, comprise an outsides cover of electric machinery, be placed on DC low-voltage outward rotation type brushless electric machine and a scraper pump connecting by the output shaft of coupling and DC low-voltage outward rotation type brushless electric machine in outsides cover of electric machinery.
At the above-mentioned brushless scraper pump of a kind of DC low-voltage outward rotation type, described coupling is arranged in a coupling outer cover, described coupling outer cover one end and outsides cover of electric machinery are connected and fixed, the other end and scraper pump are connected and fixed, described scraper pump comprises a scraper plate pump housing and is arranged on the scraper pump core in the scraper plate pump housing, described scraper plate pump housing upper end and bottom are not originally provided with and the inlet end and the outlet side that in the scraper plate pump housing, communicate, described scraper pump core comprises a scraper plate cylinder, and described scraper plate cylinder outer wall axially offers some grooves for placing graphite plate; Scraper plate cylinder one end is fixed with input shaft, and the other end is fixed with a bearing shaft, and described input shaft and bearing shaft are arranged with respectively the first support bearing assembly and the second support bearing assembly.
At the above-mentioned brushless scraper pump of a kind of DC low-voltage outward rotation type, described Hooks coupling universal coupling of coupling, the output shaft of described Hooks coupling universal coupling one end and DC low-voltage outward rotation type brushless electric machine connects, and the input shaft of the other end and scraper pump core connects.
At the above-mentioned brushless scraper pump of a kind of DC low-voltage outward rotation type, the front end of the input shaft of described scraper pump core radially has one and connects groove, described coupling is the front end of an output shaft that is radially arranged on DC low-voltage outward rotation type brushless electric machine and the flat key that connects groove and coordinate, and the output shaft of DC low-voltage outward rotation type brushless electric machine inserts the input shaft of scraper pump core and flat key is positioned at and connects groove.
At the above-mentioned brushless scraper pump of a kind of DC low-voltage outward rotation type, on the output shaft of described DC low-voltage outward rotation type brushless electric machine, be axially arranged with a motor flat mouth, on the input shaft of described scraper pump core, be axially arranged with one and motor flat mouth same pump core flat mouth, described coupling is a hollow connecting sleeve, described connecting sleeve inwall is axially arranged with the connecting platform that a length is greater than motor flat mouth or is greater than pump core flat mouth, the diameter of described connecting sleeve is greater than the shaft diameter of input shaft of scraper pump core and the shaft diameter of the output shaft of DC low-voltage outward rotation type brushless electric machine, this connecting sleeve is enclosed within and on the output shaft of DC low-voltage outward rotation type brushless electric machine of the input shaft of scraper pump core, makes the part of connecting platform be positioned at motor flat mouth and another part is positioned at pump core flat mouth.
At the above-mentioned brushless scraper pump of a kind of DC low-voltage outward rotation type, also comprise a base and be arranged on the supporting frame on base, described scraper pump and outsides cover of electric machinery are bolted on support frame as described above.
At the above-mentioned brushless scraper pump of a kind of DC low-voltage outward rotation type, described base has a cavity, bottom is opening and passes through a covering palte seal, in cavity, be placed with the wire for noise reduction, described base upper-end surface has an inlet hole being communicated with the inlet end of the scraper plate pump housing, this inlet hole is communicated with the cavity of base, and described base side has an air outlet hole being communicated with cavity.
At the above-mentioned brushless scraper pump of a kind of DC low-voltage outward rotation type, described coupling outer cover comprises a hollow outer cover body and is arranged on the fastening flange of outer cover body one end, and described fastening flange is fixedly connected with outsides cover of electric machinery by bolt; The described outer cover body the other end is provided with a pump housing adpting flange, be circumferentially with an annulus along pump housing adpting flange edge, the first support bearing assembly is fixed in the first gasket ring of a ring-type, described the first gasket ring is arranged in the circular trough of pump housing adpting flange and annulus composition, and described pump housing adpting flange, the first gasket ring are connected and fixed by bolt and the scraper plate pump housing; The second described support bearing assembly is fixed in the second gasket ring of a ring-type, and one end that bearing shaft stretches out the second support bearing assembly is fixed with an end cap.
At the above-mentioned brushless scraper pump of a kind of DC low-voltage outward rotation type, described outsides cover of electric machinery one end inwall is also provided with a seam, and the closed loop that is threaded with outsides cover of electric machinery, the seam of described outsides cover of electric machinery is provided with a supporting frame, is placed with the foam for filtering dust on supporting frame.
Therefore, tool of the present invention has the following advantages: volume is little, lightweight, and power consumption is very little, and noise reduces greatly, and efficiency reaches more than 98%, is conducive to energy-conserving and environment-protective.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of perspective view of the present invention.
Accompanying drawing 2 is the main TV structure schematic diagram of one of the present invention.
Accompanying drawing 3 is perspective view of coupling outer cover in Fig. 1.
Accompanying drawing 5 is perspective view of base in Fig. 1.
Accompanying drawing 6 is stereochemical structures (not containing closed loop and filtering frame) of outsides cover of electric machinery in Fig. 1.
Accompanying drawing 7 is stereochemical structures (comprising closed loop and filtering frame) of outsides cover of electric machinery in Fig. 1.
Accompanying drawing 8 is the shaft coupling assembling exploded perspective views of embodiment 1 in the present invention.
Accompanying drawing 9 is the shaft coupling assembly structure schematic diagram of embodiment 1 in the present invention.
Accompanying drawing 10 is the shaft coupling assembling schematic diagram of embodiment 2 in the present invention.
Accompanying drawing 11 is the shaft coupling assembling schematic diagram (not containing connecting sleeve) of embodiment 3 in the present invention.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.In figure, outsides cover of electric machinery 1, DC low-voltage outward rotation type brushless electric machine 2, coupling 3, scraper pump 4, coupling outer cover 5, output shaft 6, the scraper plate pump housing 7, scraper pump core 8, inlet end 9, outlet side 10, scraper plate cylinder 11, input shaft 12, bearing shaft 13, the first support bearing assembly 14, the second support bearing assembly 15, Hooks coupling universal coupling 16, connect groove 17, flat key 18, motor flat mouth 19, pump core flat mouth 20, connecting sleeve 21, connecting platform 22, supporting frame 23, cover plate 24, inlet hole 25, air outlet hole 26, outer cover body 27, fastening flange 28, pump housing adpting flange 29, annulus 30, the first gasket ring 31, the second gasket ring 32, end cap 33, seam 34, closed loop 35, filtering frame 36, base 37.
Embodiment 1:
First, introduce main mechanical structure of the present invention, the present invention includes an outsides cover of electric machinery 1, be placed on DC low-voltage outward rotation type brushless electric machine 2 and a scraper pump 4 connecting by coupling 3 and the output shaft 6 of DC low-voltage outward rotation type brushless electric machine 2 in outsides cover of electric machinery 1.
Coupling 3 is arranged in a coupling outer cover 5, described coupling outer cover 5 one end and outsides cover of electric machinery 1 are connected and fixed, the other end and scraper pump 4 are connected and fixed, described scraper pump 4 comprises a scraper plate pump housing 7 and is arranged on the scraper pump core 8 in the scraper plate pump housing 7, the described scraper plate pump housing 7 upper ends and bottom are not originally provided with and the inlet end 9 communicating in the scraper plate pump housing 7 and outlet side 10, described scraper pump core 8 comprises a scraper plate cylinder 11, and described scraper plate cylinder 11 outer walls axially offer some grooves for placing graphite plate; Scraper plate cylinder 11 one end are fixed with input shaft 12, and the other end is fixed with a bearing shaft 13, and described input shaft 12 and bearing shaft 13 are arranged with respectively the first support bearing assembly 14 and the second support bearing assembly 15.
Coupling outer cover 5 comprises a hollow outer cover body 27 and is arranged on the fastening flange 28 of outer cover body 27 one end, and described fastening flange 28 is fixedly connected with outsides cover of electric machinery 1 by bolt; Described outer cover body 27 the other ends are provided with a pump housing adpting flange 29, be circumferentially with an annulus 30 along pump housing adpting flange 29 edges, the first support bearing assembly 14 is fixed in the first gasket ring 31 of a ring-type, described the first gasket ring 31 is arranged in the circular trough that pump housing adpting flange 29 and annulus 30 form, and described pump housing adpting flange 29, the first gasket ring 31 are connected and fixed by bolt and the scraper plate pump housing 7; The second described support bearing assembly 15 is fixed in the second gasket ring 32 of a ring-type, and one end that bearing shaft 13 stretches out the second support bearing assembly 15 is fixed with an end cap 33.
In order to prevent dust, be also provided with a seam 34 at outsides cover of electric machinery 1 one end inwall, and the closed loop 35 that is threaded with outsides cover of electric machinery 1, the seam 34 of described outsides cover of electric machinery 1 is provided with a filtering frame 36, is placed with the foam for filtering dust on filtering frame 36
For fixing, the present invention also comprises a base 37 and is arranged on the supporting frame 23 on base 37, scraper pump 4 and outsides cover of electric machinery 1 are bolted on supporting frame 23, in base 37, there is a cavity, bottom is opening and seals by a cover plate 24, in cavity, being placed with for wire the present embodiment of noise reduction adopts market to sell cleaning ball silk, also can be with other dust control and noise absorption material, described base 37 upper-end surfaces have an inlet hole 25 being communicated with the inlet end 9 of the scraper plate pump housing 7, this inlet hole 25 is communicated with the cavity of base 37, described base 37 sides have an air outlet hole being communicated with cavity 26.
In the present embodiment, coupling 3 adopts a Hooks coupling universal coupling 16, and the output shaft 6 of Hooks coupling universal coupling 16 one end and DC low-voltage outward rotation type brushless electric machine 2 connects, and the input shaft 12 of the other end and scraper pump core 8 connects.
When work, after all can being connected with brushless motor controller, driving power (exchanging or direct current) is connected with DC low-voltage outward rotation type brushless electric machine 2 again, DC low-voltage outward rotation type brushless electric machine 2 output shafts 6 drive the input shaft 12 of scraper pump 4 to rotate by coupling, thereby carry out exhausting at the interior generation high negative pressure of the scraper plate pump housing 7 by inlet end 9, air quantity through the cavity of outlet side 10, inlet hole 25, base 37, is finally discharged from air outlet hole 26 successively.
The employing of the invention DC low-voltage outward rotation type brushless electric machine 2 as driver element, what DC low-voltage outward rotation type brushless electric machine 2 adopted is commercially available model plane motor, for low voltage high power unofficial biography motor, can drive with direct current, be applicable to field extreme environment and use, in the instrument of the smoke dust sampling that the present invention is specially adapted to relate in environmental monitoring for the driver element of the gas sampling of constant.
Embodiment 2:
In the present embodiment, the front end of the input shaft 12 of scraper pump core 8 radially has one and connects groove 17, described coupling 3 is the front end of an output shaft 6 that is radially arranged on DC low-voltage outward rotation type brushless electric machine 2 and the flat key 18 that connects groove 17 and coordinate, and the output shaft 6 of DC low-voltage outward rotation type brushless electric machine 2 inserts the input shaft 12 of scraper pump core 8 and flat key 18 is positioned at and connects groove 17.
In the present embodiment, the docked mode of the input shaft 12 of scraper pump core 8 and the output shaft 6 of DC low-voltage outward rotation type brushless electric machine 2 different, other are all identical with the technological scheme in embodiment 1, do not repeat them here.
Embodiment 3:
In the present embodiment, on the output shaft 6 of DC low-voltage outward rotation type brushless electric machine 2, be axially arranged with a motor flat mouth 19, on the input shaft 12 of described scraper pump core 8, be axially arranged with one and motor flat mouth 19 same pump core flat mouthes 20, described coupling 3 is a hollow connecting sleeve 21, connecting sleeve 21 inwalls are axially arranged with the connecting platform 22 that a length is greater than motor flat mouth 19 or is greater than pump core flat mouth 20, the diameter of described connecting sleeve 21 is greater than the shaft diameter of input shaft 12 of scraper pump core 8 and the shaft diameter of the output shaft 6 of DC low-voltage outward rotation type brushless electric machine 2, this connecting sleeve 21 is enclosed within and on the output shaft 6 of DC low-voltage outward rotation type brushless electric machine 2 of the input shaft 12 of scraper pump core 8, makes the part of connecting platform 22 be positioned at motor flat mouth 19 and another part is positioned at pump core flat mouth 20.
In the present embodiment, the docked mode of the input shaft 12 of scraper pump core 8 and the output shaft 6 of DC low-voltage outward rotation type brushless electric machine 2 different, other are all identical with the technological scheme in embodiment 1, do not repeat them here.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although more used outsides cover of electric machinery 1 herein, DC low-voltage outward rotation type brushless electric machine 2, coupling 3, scraper pump 4, coupling outer cover 5, the scraper plate pump housing 7, scraper pump core 8, inlet end 9, outlet side 10, scraper plate cylinder 11, input shaft 12, bearing shaft 13, the first support bearing assembly 14, the second support bearing assembly 15, Hooks coupling universal coupling 16, connect groove 17, flat key 18, motor flat mouth 19, pump core flat mouth 20, connecting sleeve 21, connecting platform 22, supporting frame 23, cover plate 24, inlet hole 25, air outlet hole 26, outer cover body 27, fastening flange 28, pump housing adpting flange 29, annulus 30, the first gasket ring 31, the second gasket ring 32, end cap 33, seam 34, closed loop 35, filtering frame 36 terms such as grade, but do not get rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (9)
1. the brushless scraper pump of DC low-voltage outward rotation type, it is characterized in that, comprise an outsides cover of electric machinery (1), be placed on DC low-voltage outward rotation type brushless electric machine (2) and a scraper pump (4) connecting by coupling (3) and the output shaft (6) of DC low-voltage outward rotation type brushless electric machine (2) in outsides cover of electric machinery (1).
2. the brushless scraper pump of a kind of DC low-voltage outward rotation type according to claim 1, it is characterized in that, described coupling (3) is arranged in a coupling outer cover (5), described coupling outer cover (5) one end and outsides cover of electric machinery (1) are connected and fixed, the other end and scraper pump (4) are connected and fixed, described scraper pump (4) comprises a scraper plate pump housing (7) and is arranged on the scraper pump core (8) in the scraper plate pump housing (7), the described scraper plate pump housing (7) upper end and bottom are not originally provided with and the inlet end (9) communicating in the scraper plate pump housing (7) and outlet side (10), described scraper pump core (8) comprises a scraper plate cylinder (11), described scraper plate cylinder (11) outer wall axially offers some grooves for placing graphite plate, scraper plate cylinder (11) one end is fixed with input shaft (12), and the other end is fixed with a bearing shaft (13), and described input shaft (12) and bearing shaft (13) are arranged with respectively the first support bearing assembly (14) and the second support bearing assembly (15).
3. the brushless scraper pump of a kind of DC low-voltage outward rotation type according to claim 1, it is characterized in that, described (3) Hooks coupling universal couplings of coupling (16), the output shaft (6) of described Hooks coupling universal coupling (16) one end and DC low-voltage outward rotation type brushless electric machine (2) connects, and the input shaft (12) of the other end and scraper pump core (8) connects.
4. the brushless scraper pump of a kind of DC low-voltage outward rotation type according to claim 1, it is characterized in that, the front end of the input shaft (12) of described scraper pump core (8) radially has one and connects groove (17), described coupling (3) is the front end of an output shaft (6) that is radially arranged on DC low-voltage outward rotation type brushless electric machine (2) and the flat key (18) that connects groove (17) and coordinate, and the output shaft (6) of DC low-voltage outward rotation type brushless electric machine (2) inserts the input shaft (12) of scraper pump core (8) and flat key (18) is positioned at and connects groove (17).
5. the brushless scraper pump of a kind of DC low-voltage outward rotation type according to claim 1, it is characterized in that, on the output shaft (6) of described DC low-voltage outward rotation type brushless electric machine (2), be axially arranged with a motor flat mouth (19), on the input shaft (12) of described scraper pump core (8), be axially arranged with one and motor flat mouth (19) same pump core flat mouth (20), described coupling (3) is a hollow connecting sleeve (21), described connecting sleeve (21) inwall is axially arranged with the connecting platform (22) that a length is greater than motor flat mouth (19) or is greater than pump core flat mouth (20), the diameter of described connecting sleeve (21) is greater than the shaft diameter of input shaft (12) of scraper pump core (8) and the shaft diameter of the output shaft (6) of DC low-voltage outward rotation type brushless electric machine (2), this connecting sleeve (21) is enclosed within and on the output shaft (6) () of DC low-voltage outward rotation type brushless electric machine (2) of the input shaft (12) of scraper pump core (8), makes the part of connecting platform (22) be positioned at motor flat mouth (19) and another part is positioned at pump core flat mouth (20).
6. the brushless scraper pump of a kind of DC low-voltage outward rotation type according to claim 1, it is characterized in that, also comprise a base (37) and be arranged on the supporting frame (23) on base (37), described scraper pump (4) and outsides cover of electric machinery (1) are bolted on support frame as described above (23).
7. the brushless scraper pump of a kind of DC low-voltage outward rotation type according to claim 1, it is characterized in that, described base (37) has a cavity, bottom is opening and seals by a cover plate (24), in cavity, be placed with the wire for noise reduction, described base (37) upper-end surface has an inlet hole (25) being communicated with the inlet end (9) of the scraper plate pump housing (7), this inlet hole (25) is communicated with the cavity of base (37), and described base (37) side has an air outlet hole being communicated with cavity (26).
8. the brushless scraper pump of a kind of DC low-voltage outward rotation type according to claim 1, it is characterized in that, described coupling outer cover (5) comprises a hollow outer cover body (27) and is arranged on the fastening flange (28) of outer cover body (27) one end, and described fastening flange (28) is fixedly connected with outsides cover of electric machinery (1) by bolt; Described outer cover body (27) the other end is provided with a pump housing adpting flange (29), be circumferentially with an annulus (30) along pump housing adpting flange (29) edge, the first support bearing assembly (14) is fixed in first gasket ring (31) of a ring-type, described the first gasket ring (31) is arranged in the circular trough of pump housing adpting flange (29) and annulus (30) composition, and described pump housing adpting flange (29), the first gasket ring (31) are connected and fixed by bolt and the scraper plate pump housing (7); Described the second support bearing assembly (15) is fixed in second gasket ring (32) of a ring-type, and one end that bearing shaft (13) stretches out the second support bearing assembly (15) is fixed with an end cap (33).
9. the brushless scraper pump of a kind of DC low-voltage outward rotation type according to claim 1, it is characterized in that, described outsides cover of electric machinery (1) one end inwall is also provided with a seam (34), an and closed loop (35) being threaded with outsides cover of electric machinery (1), the seam (34) of described outsides cover of electric machinery (1) is provided with a filtering frame (36), and filtering frame is placed with the foam for filtering dust on (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036508.7A CN103821736A (en) | 2013-01-31 | 2014-01-26 | Direct-current low-voltage outer-rotor typed brushless scraper pump |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320054142.7 | 2013-01-31 | ||
| CN201320054142 | 2013-01-31 | ||
| CN201410036508.7A CN103821736A (en) | 2013-01-31 | 2014-01-26 | Direct-current low-voltage outer-rotor typed brushless scraper pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103821736A true CN103821736A (en) | 2014-05-28 |
Family
ID=50756968
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420048846.8U Expired - Lifetime CN204253383U (en) | 2013-01-31 | 2014-01-26 | The brushless scraper pump of a kind of DC low-voltage outward rotation type |
| CN201410036508.7A Pending CN103821736A (en) | 2013-01-31 | 2014-01-26 | Direct-current low-voltage outer-rotor typed brushless scraper pump |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420048846.8U Expired - Lifetime CN204253383U (en) | 2013-01-31 | 2014-01-26 | The brushless scraper pump of a kind of DC low-voltage outward rotation type |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN204253383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894888A (en) * | 2020-07-16 | 2020-11-06 | 赣州市闻誉科技有限公司 | Water suction pump with silt isolation frame |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204253383U (en) * | 2013-01-31 | 2015-04-08 | 李虹杰 | The brushless scraper pump of a kind of DC low-voltage outward rotation type |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3321723A1 (en) * | 1981-12-21 | 1984-01-26 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Vane-cell pump |
| CN2248207Y (en) * | 1995-04-10 | 1997-02-26 | 赵福远 | Paddle pump motor sets |
| CN2313081Y (en) * | 1997-08-22 | 1999-04-07 | 胡文超 | Straightway self-suction vane-pump for ship |
| CN201705668U (en) * | 2010-06-10 | 2011-01-12 | 青岛崂山电子仪器总厂有限公司 | Direct-current brushless gas sampling pump |
| WO2012059303A2 (en) * | 2010-11-04 | 2012-05-10 | Robert Bosch Gmbh | Feed pump |
| CN102635538A (en) * | 2012-04-28 | 2012-08-15 | 胡军 | Small-sized brushless direct current self-absorption multi-cavity pump provided with outer rotor |
| CN204253383U (en) * | 2013-01-31 | 2015-04-08 | 李虹杰 | The brushless scraper pump of a kind of DC low-voltage outward rotation type |
-
2014
- 2014-01-26 CN CN201420048846.8U patent/CN204253383U/en not_active Expired - Lifetime
- 2014-01-26 CN CN201410036508.7A patent/CN103821736A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3321723A1 (en) * | 1981-12-21 | 1984-01-26 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Vane-cell pump |
| CN2248207Y (en) * | 1995-04-10 | 1997-02-26 | 赵福远 | Paddle pump motor sets |
| CN2313081Y (en) * | 1997-08-22 | 1999-04-07 | 胡文超 | Straightway self-suction vane-pump for ship |
| CN201705668U (en) * | 2010-06-10 | 2011-01-12 | 青岛崂山电子仪器总厂有限公司 | Direct-current brushless gas sampling pump |
| WO2012059303A2 (en) * | 2010-11-04 | 2012-05-10 | Robert Bosch Gmbh | Feed pump |
| CN102635538A (en) * | 2012-04-28 | 2012-08-15 | 胡军 | Small-sized brushless direct current self-absorption multi-cavity pump provided with outer rotor |
| CN204253383U (en) * | 2013-01-31 | 2015-04-08 | 李虹杰 | The brushless scraper pump of a kind of DC low-voltage outward rotation type |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894888A (en) * | 2020-07-16 | 2020-11-06 | 赣州市闻誉科技有限公司 | Water suction pump with silt isolation frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204253383U (en) | 2015-04-08 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140528 |
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