CN117646692A - Oil transfer pump - Google Patents

Oil transfer pump Download PDF

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Publication number
CN117646692A
CN117646692A CN202410126874.5A CN202410126874A CN117646692A CN 117646692 A CN117646692 A CN 117646692A CN 202410126874 A CN202410126874 A CN 202410126874A CN 117646692 A CN117646692 A CN 117646692A
Authority
CN
China
Prior art keywords
cavity
oil
oil port
motor
rotor
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
Application number
CN202410126874.5A
Other languages
Chinese (zh)
Other versions
CN117646692B (en
Inventor
高殿朋
郝旭东
马敏幸
袁利娜
李仕伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Daxi Technology Co ltd
Original Assignee
Wuxi Daxi Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Daxi Technology Co ltd filed Critical Wuxi Daxi Technology Co ltd
Priority to CN202410126874.5A priority Critical patent/CN117646692B/en
Publication of CN117646692A publication Critical patent/CN117646692A/en
Application granted granted Critical
Publication of CN117646692B publication Critical patent/CN117646692B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/041—Arrangements for driving gear-type pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/08—Feeding by means of driven pumps electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/086—Carter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

The application discloses an oil transfer pump, which comprises an upper shell, a lower shell and a motor, wherein the upper shell is arranged on the lower shell, the motor is arranged above the upper shell, an accommodating cavity is further formed in the inner side of the upper shell, a rotor assembly is arranged in the accommodating cavity, the motor is used for driving the rotor assembly to rotate, the rotor assembly divides the accommodating cavity into a first cavity and a second cavity, a first cavity and a second cavity which correspond to the first cavity, an oil port and an oil port which are communicated with the first cavity, an oil port three which are communicated with the second cavity, and an oil cavity which is communicated with the first oil port and the second oil port are further arranged on the lower shell, when the rotor assembly rotates positively, the second oil port is communicated with the third oil port, and when the rotor assembly rotates reversely, the first oil port is communicated with the third oil port; through inner rotor corotation or reversal realization two kinds of functions, be equipped with the motor stator part that the isolation shell can separate the connection electricity and the motor rotor part that contacts fluid on the upper casing to improve whole security, be equipped with the connecting hole on the upper casing, be equipped with the oil groove on the lower casing, can cool down the motor cooling, and the lubrication cooling of transmission shaft.

Description

Oil transfer pump
Technical Field
The application relates to the technical field of automobile parts, in particular to an oil transfer pump.
Background
At present, in order to ensure continuous oil supply to a vehicle engine, in order to realize that oil is conveyed from a large vehicle oil tank into a small vehicle oil tank or in special conditions (such as viscous oil in a low-temperature state, high oil resistance sucked by the engine) the small oil tank needs to be actively supplied to the vehicle engine, two oil pumps need to be adopted to work independently, the required cost is high, and the whole occupied volume is increased.
Disclosure of Invention
An object of the present application is to provide an oil transfer pump to solve the above-mentioned problem, adopt following technical scheme:
the oil transfer pump comprises an upper shell, a lower shell and a motor, wherein the motor is arranged above the upper shell, the motor comprises a motor stator and a motor rotor, the upper shell is arranged on the lower shell, a containing cavity is further formed in the inner side of the upper shell, a rotor assembly is arranged in the containing cavity and used for driving the rotor assembly to rotate, the containing cavity is divided into a first cavity and a second cavity by the rotor assembly, the lower shell is provided with a first cavity and a second cavity which correspond to each other, an oil port and an oil port which are communicated with the first cavity, an oil port which are communicated with the second cavity, an oil cavity which is communicated with the first oil port and the second oil port is further formed in the lower shell, and a first one-way valve and a second one-way valve are respectively arranged at the first oil port and the second oil port; when the rotor assembly rotates positively, the oil port II is communicated with the oil port III, oil flows from the oil port II to the cavity I, and when the rotor assembly rotates reversely, the oil port I is communicated with the oil port III, and oil flows from the cavity I to the oil port I; the rotor assembly comprises an inner rotor and an outer rotor, the inner rotor is eccentrically arranged in the outer rotor, and the motor drives the inner rotor to drive the outer rotor to rotate.
Preferably, the upper shell is further provided with an isolation shell for isolating the motor stator from the motor rotor corresponding to the opposite side of the accommodating cavity, the motor rotor is arranged in the isolation shell, a transmission shaft is arranged between the inner rotor and the motor rotor and is connected with the upper shell and the lower shell in a rotating mode, and the transmission shaft is connected with the upper shell and the lower shell in a rotating mode.
Further preferably, the upper shell is further provided with a connecting hole communicated with the isolation shell, and the connecting hole is communicated with the isolation shell and the second cavity.
The fluid can get into through the connecting hole in the isolation shell and right motor rotor cooling down can be right simultaneously the last casing with the transmission shaft rotates the junction lubrication cooling reduces wearing and tearing, the isolation shell will be circular telegram motor stator part separates with the motor rotor part of intercommunication fluid, guarantees holistic security.
Further preferably, the lower shell is further provided with an oil groove, and the oil groove is communicated with the transmission shaft and the second concave cavity; oil can enter the lower shell through the oil groove and cool and lubricate the rotating joint of the lower shell and the transmission shaft, so that abrasion is reduced.
Preferably, the second oil port is located between the first oil port and the third oil port, the oil cavity is communicated with the first concave cavity, and the oil cavity is in a strip shape.
Preferably, the first concave cavity and the second concave cavity are arc-shaped.
Preferably, the motor rotor motor further comprises a controller, wherein the controller is used for controlling the motor rotor to rotate positively or negatively, and the controller is electrically connected with the motor stator.
The beneficial effects of this application:
(1) The lower shell is provided with the oil port I, the oil port II and the oil port III, and the oil cavity communicated with the oil port I and the oil port II, the motor is controlled by the controller to drive the inner rotor to rotate forwards or reversely, when the oil quantity of the small oil tank of the vehicle is insufficient, oil can be supplied from the large oil tank to the small oil tank, the oil can be actively supplied from the small oil tank to the engine under special conditions, the continuous oil supply to the engine is ensured, and two functions can be realized.
(2) The upper shell is provided with the isolation shell which can isolate the motor rotor from the motor stator, the overall safety can be improved, the motor rotor is arranged in the isolation shell, the upper shell is provided with the connecting hole for oil to enter the isolation shell, the lower shell is provided with the oil groove for oil to contact the transmission shaft, the motor rotor can be cooled, and meanwhile, the transmission shaft can be lubricated and cooled, and the abrasion is reduced.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a top view of the present application;
FIG. 3 is a cross-sectional view at A-A of the present application;
FIG. 4 is a schematic structural view of the present application;
FIG. 5 is a schematic view of the upper housing structure of the present application;
FIG. 6 is a schematic view of the lower housing structure of the present application;
FIG. 7 is a schematic diagram of the flow of oil in the forward direction of the present application;
FIG. 8 is a schematic diagram of the flow of oil in the reverse direction of the present application.
In the figure: 1. the upper shell, 11, the accommodating cavity, 12, the isolation shell, 13, the shaft hole, 14, the first cavity, 15, the second cavity, 16, the connecting hole, 2, the lower shell, 21, the oil cavity, 23, the first cavity, 24, the second cavity, 25, the groove, 26, the first oil port, 27, the second oil port, 28, the third oil port, 29, the oil groove, 3, the motor rotor, 4, the motor stator, 5, the transmission shaft, 6, the first one-way valve, 7, the second one-way valve, 8, the inner rotor, 9 and the outer rotor.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, and it is apparent that the embodiments described in the present application are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1 to 8, the oil transfer pump further includes an upper casing 1, a lower casing 2 and a motor, the upper casing 1 is disposed on the lower casing 2, a containing cavity 11 is further disposed on the inner side of the upper casing 1, a rotor assembly is disposed in the containing cavity 11, the motor is used for driving the rotor assembly to rotate, the rotor assembly divides the containing cavity 11 into a first cavity 14 and a second cavity 15, a first cavity 23 and a second cavity 24, and an oil port 26 and an oil port 27 which are communicated with the first cavity 23, an oil port three 28 which are communicated with the second cavity 24 are disposed on the lower casing 2, an oil cavity 21 which is communicated with the first cavity 26 and the second cavity 27 is disposed on the lower casing 2, when the rotor assembly rotates forward, the second cavity 27 is communicated with the third cavity 28, and when the first cavity 26 is communicated with the third cavity 28 is in reverse rotation, and in this embodiment, the first cavity 23 and the second cavity 24 are arc-shaped.
The second oil port 27 is arranged between the first oil port 26 and the third oil port 28, and the first oil port 26 and the second oil port 27 are respectively provided with a first check valve 6 and a second check valve 7 for blocking oil backflow; the lower casing 2 is further provided with an oil cavity 21 communicating the first oil port 26 and the second oil port 27, the oil cavity 21 is communicated with the first cavity 23, the oil cavity 21 is in a strip shape, and in other embodiments not shown, the oil cavity 21 may be a waist shape.
Referring to fig. 4, the rotor assembly includes an inner rotor 8 and an outer rotor 9, the inner rotor is eccentrically disposed in the outer rotor 9, and the motor drives the inner rotor 8 to drive the outer rotor 9 to rotate; the inner rotor 8 and the outer rotor 9 divide the accommodating chamber 11 into the first cavity 14 and the second cavity 15; when the motor drives the inner rotor 8 to rotate, the inner rotor 8 can drive the outer rotor 9 to rotate in the accommodating cavity 11, and when the motor rotates, oil can be filled in the accommodating cavity 11, and an oil film is formed between the outer rotor 9, the inner rotor 8 and the accommodating cavity 11, so that abrasion can be reduced.
When the inner rotor 8 rotates forward, the first cavity 14 is a low-pressure cavity, the second cavity 15 is a high-pressure cavity, and oil is conveyed from the first cavity 23 to the second cavity 24; when the inner rotor 8 is reversed, the first cavity 14 is a high pressure cavity, the second cavity 15 is a low pressure cavity, and oil is delivered from the second cavity 24 into the first cavity 23.
In the prior art, oil is required to be conveyed into a small oil tank from a large oil tank and conveyed into an engine from the small oil tank by the respective action of two independent oil pumps; compared with the prior art, this application is equipped with hydraulic fluid first 26, hydraulic fluid second 27 and hydraulic fluid third 28 on casing 2 down, connects vehicle engine, big oil tank and little oil tank respectively, still set up the intercommunication on the casing 2 down hydraulic fluid first 26 with the oil pocket 21 of hydraulic fluid second 27 can realize that fluid is carried into little oil tank or under special circumstances from big oil tank through corotation or the reversal of inner rotor 8, if the fluid is sticky under the low temperature, and the engine absorbs the fluid resistance big, can initiatively carry the fluid in the little oil tank into the engine, can replace two oil pumps to realize two kinds of functions.
Referring to fig. 3, an isolation shell 12 is further disposed on a side of the upper housing 1 opposite to the accommodating cavity 11, the isolation shell 12 is used for isolating the motor rotor 3 from the motor stator 4, in this embodiment, the isolation shell 12 is welded on the upper housing 1 to ensure that the oil part is separated from the electric part, a transmission shaft 5 is disposed between the motor rotor 3 and the inner rotor 8 in the isolation shell 12, and the transmission shaft 5 is rotationally connected with the upper housing 1 and the lower housing 2; specifically, the upper shell 1 and the lower shell 2 are respectively provided with a shaft hole 13 and a groove 25, one end of the transmission shaft 5 is connected with the motor rotor 3, the other end of the transmission shaft passes through the shaft hole 13 and is arranged in the groove 25, and the inner rotor 8 is arranged on the transmission shaft; in this embodiment, the rotational connection may be implemented by a bearing bush, or in other embodiments not shown, may be implemented by a bearing.
Referring to fig. 5, the upper casing 1 is further provided with a connection hole 16 capable of communicating with the isolation casing 12, and the connection hole 16 communicates with the second cavity 15 and the isolation casing 12 or communicates with the first cavity 14 and the isolation casing 12, in this embodiment, communicates with the second cavity 15 and the isolation casing 12; during the reverse rotation of the inner rotor 8, the second concave cavity 24 is a low-pressure cavity, so that oil can enter the isolation shell 12 through the connecting hole 16, can cool down the motor rotor 3 in the isolation shell 12, can flow into the shaft hole 13, cool and lubricate the rotating joint between the transmission shaft 5 and the upper shell 1, and when the inner rotor 8 rotates forward, the oil in the isolation shell 12 can flow out along the connecting hole 16 to take away the heat of the motor.
In other embodiments, not shown, the upper casing 1 is provided with connecting holes for respectively connecting the first cavity 14 and the second cavity 15 with the isolation casing 12; when the inner rotor 8 works, oil can enter the isolation shell 12 through the connecting hole on one side to cool the motor rotor, and heat is taken away through the connecting hole on the other side.
Referring to fig. 6, the lower housing 2 is provided with an oil groove 29 communicating the first cavity 23 with the groove 25 or the second cavity 24 with the groove 25, and in this embodiment, the oil groove 29 communicates the second cavity 24 with the groove 25; in operation, oil enters the groove 25 through the oil groove 29 to cool and lubricate the rotating joint of the rotating shaft and the lower shell 2.
The motor rotor 3 is characterized by further comprising a controller for controlling the motor rotor 3 to rotate forwards or reversely, wherein the controller is electrically connected with the motor stator 4, the electric connection part and the oil fluid communication part are ensured to be separated, interference can not occur, and the overall safety is improved.
In practical application, the first oil port 26 is connected with a vehicle engine, the second oil port 27 is connected with a vehicle large oil tank, and the third oil port 28 is connected with a vehicle small oil tank.
Referring to fig. 7 and 8, when the oil in the small oil tank of the vehicle is insufficient, the controller controls the motor stator 4 to drive the inner rotor 8 to rotate forward, the first check valve 6 arranged at the first oil port 26 is closed to prevent the oil from entering the engine, the second check valve 7 arranged on the second oil port 27 is opened, the oil sequentially passes through the second oil port 27, the oil cavity 21, the first cavity 23, the first cavity 14, the second cavity 15 and the second cavity 24, and enters the small oil tank from the third oil port 28 to convey the oil into the small oil tank from the large oil tank, and the small oil tank is replenished with the oil.
When the inner rotor 8 rotates forward, the oil cavity 21 is filled with oil, and when the engine needs oil supply, the first one-way valve 6 is opened, so that the oil in the oil cavity 21 can be directly sucked.
When the oil is required to be actively conveyed to the engine under special conditions, the controller controls the motor rotor 3 to drive the inner rotor 8 to rotate reversely, at the moment, the oil in the small oil tank is pumped to sequentially pass through the third oil port 28, the second concave cavity 24 and the second cavity 15, the first cavity 14, the first concave cavity 23 and the oil cavity 21 enter the engine, the first one-way valve 6 at the first oil port 26 is opened, the second one-way valve 7 at the second oil port 27 is closed, the oil is prevented from returning to the large oil tank, and the oil in the small oil tank is conveyed into the engine.
When oil is conveyed, part of the oil can be conveyed into the isolation shell 12 through the connecting hole 16 and conveyed into the groove 25 through the oil groove 29 so as to lubricate and dissipate heat of the motor rotor 3 and the transmission shaft 5 in the isolation shell 12.

Claims (7)

1. An oil transfer pump, characterized in that: the motor is arranged above the upper shell, the motor comprises a motor stator and a motor rotor, the upper shell is arranged on the lower shell, a containing cavity is further formed in the inner side of the upper shell, a rotor assembly is arranged in the containing cavity, the motor is used for driving the rotor assembly to rotate, the containing cavity is divided into a first cavity and a second cavity by the rotor assembly, a first cavity and a second cavity which correspond to each other, an oil port I and an oil port II which are communicated with the first cavity, an oil port III which is communicated with the second cavity, an oil cavity which is communicated with the first oil port and the second oil port II is further formed in the lower shell, and a first one-way valve and a second one-way valve are respectively arranged in the first oil port and the second oil port; when the rotor assembly rotates positively, the oil port II is communicated with the oil port III, oil flows from the oil port II to the cavity I, and when the rotor assembly rotates reversely, the oil port I is communicated with the oil port III, and oil flows from the cavity I to the oil port I; the rotor assembly comprises an inner rotor and an outer rotor, the inner rotor is eccentrically arranged in the outer rotor, and the motor drives the inner rotor to drive the outer rotor to rotate.
2. An oil transfer pump according to claim 1, wherein: the upper shell is also provided with an isolation shell for isolating the motor stator from the motor rotor, the motor rotor is arranged in the isolation shell, a transmission shaft is arranged between the inner rotor and the motor rotor for connection, and the transmission shaft is rotationally connected with the upper shell and the lower shell.
3. An oil transfer pump according to claim 2, wherein: the upper shell is also provided with a connecting hole communicated with the isolation shell, and the connecting hole is communicated with the isolation shell and the second cavity.
4. An oil transfer pump according to claim 2, wherein: and the lower shell is also provided with an oil groove which is communicated with the transmission shaft and the second concave cavity.
5. An oil transfer pump according to claim 1, wherein: the oil port II is located between the oil port I and the oil port III, the oil cavity is communicated with the concave cavity I, and the oil cavity is in a strip shape.
6. An oil transfer pump according to claim 1, wherein: the first concave cavity and the second concave cavity are arc-shaped.
7. An oil transfer pump according to claim 1, wherein: the motor rotor motor also comprises a controller, wherein the controller is used for controlling the motor rotor to rotate positively or negatively, and the controller is electrically connected with the motor stator.
CN202410126874.5A 2024-01-30 2024-01-30 Oil transfer pump Active CN117646692B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410126874.5A CN117646692B (en) 2024-01-30 2024-01-30 Oil transfer pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410126874.5A CN117646692B (en) 2024-01-30 2024-01-30 Oil transfer pump

Publications (2)

Publication Number Publication Date
CN117646692A true CN117646692A (en) 2024-03-05
CN117646692B CN117646692B (en) 2024-04-12

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Application Number Title Priority Date Filing Date
CN202410126874.5A Active CN117646692B (en) 2024-01-30 2024-01-30 Oil transfer pump

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392796A (en) * 1978-10-18 1983-07-12 Sid Harvey, Inc. Valve controlled reversible pump with anticavitation means
KR20100037268A (en) * 2008-10-01 2010-04-09 콘티넨탈 오토모티브 시스템 주식회사 Two way fuel pump apparatus for lpi vehicle
JP2016187252A (en) * 2015-03-27 2016-10-27 Ntn株式会社 In-wheel motor drive device
US20170370338A1 (en) * 2015-01-15 2017-12-28 Denso Corporation Fuel pump
CN213981173U (en) * 2020-11-24 2021-08-17 重庆红宇精密工业集团有限公司 Detachable electronic control oil pump
DE102021107073A1 (en) * 2020-04-15 2021-10-21 Aisin Seiki Kabushiki Kaisha OIL PUMP
CN215804910U (en) * 2021-08-18 2022-02-11 无锡市东凯数控科技有限公司 Controllable injection pump of oil spout angle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392796A (en) * 1978-10-18 1983-07-12 Sid Harvey, Inc. Valve controlled reversible pump with anticavitation means
KR20100037268A (en) * 2008-10-01 2010-04-09 콘티넨탈 오토모티브 시스템 주식회사 Two way fuel pump apparatus for lpi vehicle
US20170370338A1 (en) * 2015-01-15 2017-12-28 Denso Corporation Fuel pump
JP2016187252A (en) * 2015-03-27 2016-10-27 Ntn株式会社 In-wheel motor drive device
DE102021107073A1 (en) * 2020-04-15 2021-10-21 Aisin Seiki Kabushiki Kaisha OIL PUMP
CN213981173U (en) * 2020-11-24 2021-08-17 重庆红宇精密工业集团有限公司 Detachable electronic control oil pump
CN215804910U (en) * 2021-08-18 2022-02-11 无锡市东凯数控科技有限公司 Controllable injection pump of oil spout angle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
薛银彦;邹剑;余思荣;程建生;: "柴油机燃油供给油路的改进", 工程机械与维修, no. 06, 4 June 2012 (2012-06-04) *

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