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1. WO2020228122 - WATER PUMP HAVING ANTILOCKING IMPELLER AND REDUCED NOISE

Publication Number WO/2020/228122
Publication Date 19.11.2020
International Application No. PCT/CN2019/095582
International Filing Date 11.07.2019
IPC
F04D 29/66 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
66Combating cavitation, whirls, noise, vibration, or the like; Balancing
F04D 29/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
F04D 29/70 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
70Suction grids; Strainers; Dust separation; Cleaning
CPC
F04D 29/026
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
02Selection of particular materials
026especially adapted for liquid pumps
F04D 29/2288
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
18Rotors
22specially for centrifugal pumps
2261with special measures
2288for comminuting, mixing or separating
F04D 29/669
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
66Combating cavitation, whirls, noise, vibration or the like
669especially adapted for liquid pumps
F04D 7/045
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
7Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
02of centrifugal type
04the fluids being viscous or non-homogenous
045with means for comminuting, mixing stirring or otherwise treating
F05D 2240/307
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2240Components
20Rotors
30Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
307related to the tip of a rotor blade
F05D 2260/607
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2260Function
60Fluid transfer
607Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles
Applicants
  • 苏州赫尔拜斯泵业有限公司 SUZHOU HE ER BAI SI PUMP CO., LTD. [CN]/[CN]
Inventors
  • 张腾龙 ZHANG, Tenglong
Agents
  • 苏州周智专利代理事务所 SUZHOU ZHOUZHI PATENT AGENCY
Priority Data
201920693717.715.05.2019CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) WATER PUMP HAVING ANTILOCKING IMPELLER AND REDUCED NOISE
(FR) POMPE À EAU PRÉSENTANT UNE ROUE ANTI-VERROUILLAGE ET UN BRUIT RÉDUIT
(ZH) 防止叶轮卡死和降低噪音的水泵
Abstract
(EN)
A water pump preventing having an antilocking impeller and reduced noise, comprising a pump body (1). A pump shaft (6) is provided in the pump body (1), and an impeller (4) is provided on the pump shaft (6); the impeller (4) comprises a wheel disc (41) and arc-shaped vanes (42) fixed to one side of the wheel disc (41); a shaft hole (43) is formed in the center of the wheel disc (41); the arc-shaped vanes (42) are distributed in the circumferential direction by taking the shaft hole (43) as the center; a sound absorption and noise reduction layer is provided on the side wall of the wheel disc (41); an arc-shaped blade (44) is provided at the upper end of each arc-shaped vane (42); the arc-shaped blade (44) is a blade provided with a sawtooth end; the sawtooth end of the arc-shaped blade (44) is distant from the upper end of the arc-shaped vane (42); the arc-shaped direction of the arc-shaped blade (44) is consistent with that of the arc-shaped vane (42); the side wall of each arc-shaped vane (42) is coated with a lubricating layer.
(FR)
La présente invention concerne une pompe à eau présentant une roue anti-verrouillage et un bruit réduit, comprenant un corps de pompe (1). Un arbre de pompe (6) est disposé dans le corps de pompe (1), et une roue (4) est disposée sur l'arbre de pompe (6) ; le rotor (4) comprend un disque de roue (41) et des aubes en forme d'arc (42) fixées sur un côté du disque de roue (41) ; un trou d'arbre (43) est formée au centre du disque de roue (41) ; les aubes en forme d'arc (42) sont réparties dans la direction circonférentielle en prenant le trou d'arbre (43) comme centre ; une couche d'absorption acoustique et de réduction de bruit est disposée sur la paroi latérale du disque de roue (41) ; une aube en forme d'arc (44) est disposée au niveau de l'extrémité supérieure de chaque aube en forme d'arc (42) ; l'aube en forme d'arc (44) est une aube pourvue d'une extrémité en dents de scie ; l'extrémité en dents de scie de l'aube en forme d'arc (44) est distante de l'extrémité supérieure de l'aube en forme d'arc (42) ; la direction en forme d'arc de l'aube en forme d'arc (44) est conforme à celle de l'aube en forme d'arc (42) ; la paroi latérale de chaque aube en forme d'arc (42) est revêtue d'une couche lubrifiante.
(ZH)
一种防止叶轮卡死和降低噪音的水泵,包括泵体(1),泵体(1)内设置有泵轴(6),泵轴(6)上设置有叶轮(4);叶轮(4)包括轮盘(41)和固定于轮盘(41)一侧的弧形叶片(42),轮盘(41)的中心设有轴孔(43),弧形叶片(42)以轴孔(43)为中心周向分布,轮盘(41)的侧壁设有吸音降噪层;弧形叶片(42)的上端设有弧形刀片(44),弧形刀片(44)为具有锯齿端的刀片,弧形刀片(44)的锯齿端远离弧形叶片(42)的上端,弧形刀片(44)的弧形方向与弧形叶片(42)的弧形方向一致;弧形叶片(42)的侧壁涂布有润滑层。
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