CN208190459U - A kind of certainly cooling Oil pump electrical machinery - Google Patents

A kind of certainly cooling Oil pump electrical machinery Download PDF

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Publication number
CN208190459U
CN208190459U CN201820755114.0U CN201820755114U CN208190459U CN 208190459 U CN208190459 U CN 208190459U CN 201820755114 U CN201820755114 U CN 201820755114U CN 208190459 U CN208190459 U CN 208190459U
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China
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oil
cooling
electrical machinery
hydraulic
pump electrical
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CN201820755114.0U
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Chinese (zh)
Inventor
郭健
叶宗贤
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Sanhe electric appliances (Fujian) Co.,Ltd.
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Fujian Mindong Electric Ltd By Share Ltd
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Abstract

The utility model discloses a kind of from cooling Oil pump electrical machinery, comprising: electric machine casing and the rotor and motor stator that are mounted in it;The self-cooling set being mounted on the outside of motor stator;The self-cooling set includes: the cooling oil chamber being arranged between heat dissipation outer wall and the thermally conductive inner wall for being close to motor stator outer wall;It is mounted on the oil pocket oil inlet of described cooling oil chamber one end;And it is mounted on the oil pocket oil outlet of the cooling oil chamber other end;Wherein, when the Oil pump electrical machinery driving hydraulic pump works, the hydraulic oil that hydraulic system circulates is imported into the cooling oil chamber via the oil pocket oil inlet, then export via the oil pocket oil outlet, the heat that motor stator distributes is taken away, realizes the certainly cooling of Oil pump electrical machinery.The utility model improves the heat dissipation effect of its long-play, and eliminates wind moussing loss, improves electric efficiency.

Description

A kind of certainly cooling Oil pump electrical machinery
Technical field
The utility model relates to Oil pump electrical machinery technical field more particularly to a kind of certainly cooling Oil pump electrical machineries.
Background technique
As shown in Figure 1, hydraulic system is mainly by 1 ' of hydraulic pump, 2 ' of reversal valve, 3 ' of hydraulic cylinder, 4 ' of Oil pump electrical machinery and fuel reserve tank 5 ' are constituted.Wherein, the hydraulic oil in 5 ' of fuel reserve tank forms the oil inlet that pressure oil flows to 2 ' of reversal valve under the action of 1 ' of hydraulic pump Mouthful P is commutated the first cavity or the second cavity for so that pressure oil is entered 4 ' of hydraulic cylinder by 2 ' of reversal valve, while the of 4 ' of hydraulic cylinder The hydraulic oil of two cavitys or the first cavity flows back into 5 ' of fuel reserve tank by the oil return opening O of 2 ' of reversal valve, and 4 ' of Oil pump electrical machinery is used for Drive 1 ' of hydraulic pump work.
Oil pump electrical machinery can generate a large amount of heat when driving hydraulic pump works.Currently, Oil pump electrical machinery generally uses Air-cooled and water cooling radiating mode, since the volume of the Oil pump electrical machinery using water-cooling is larger, structure is more complex, at high cost, Using less.Fig. 2 is at present using the structural schematic diagram of the Oil pump electrical machinery of wind-cooling heat dissipating.As shown in Fig. 2, 4 ' master of the Oil pump electrical machinery It to be made of 41 ' of base, 42 ' of front cover, 43 ' of rear cover, 44 ' of rotor, 45 ' of stator, 46 ' of radiator fan and 47 ' of fan housing;Wherein, turn 44 ' of son, 45 ' of stator are mounted in the electric machine casing formed by 41 ' of base, 42 ' of front cover and 43 ' of rear cover;46 ' of radiator fan installation It radiates on rear side of 43 ' of rear cover to Oil pump electrical machinery.Using 4 ' of Oil pump electrical machinery of wind-cooling heat dissipating in the prolonged course of work, Oil gas and dust etc. are gradually attached on the blade of 13 ' of radiator fan, are had the following deficiencies: that 1, wind moussing loss increases, are made motor Working efficiency reduces;2, radiating efficiency reduces, and motor heat cannot be taken away in time, reduces motor working efficiency;3, occur The probability of failure increases.
Utility model content
The purpose of this utility model is exactly to provide a kind of from cooling oil pump to overcome the above-mentioned problems of the prior art Motor carries out improving the heat dissipation effect of its long-play, and disappear from cooling using the hydraulic oil that hydraulic system circulates Except wind moussing loss, electric efficiency is improved.
In order to realize the purpose of this utility model, the following technical schemes are provided:
A kind of certainly cooling Oil pump electrical machinery, including electric machine casing and the rotor and motor stator that are mounted in it;Benefit The hydraulic oil circulated with hydraulic system carries out self cooled self-cooling set, the self-cooling set installation to motor stator It on the outside of motor stator, and include: the cooling being arranged between heat dissipation outer wall and the thermally conductive inner wall for being close to motor stator outer wall Oil pocket;It is mounted on the oil pocket oil inlet of described cooling oil chamber one end;And it is mounted on the oil pocket of the cooling oil chamber other end and goes out Hydraulic fluid port;Wherein, when the Oil pump electrical machinery driving hydraulic pump works, the hydraulic oil that hydraulic system is circulated is via the oil pocket Oil inlet imported into the cooling oil chamber, then exports via the oil pocket oil outlet, takes away the heat that motor stator distributes, realizes The cooling certainly of Oil pump electrical machinery.
Preferably, the oil pocket oil inlet is connected to the oil return opening of reversal valve, and the oil pocket oil outlet is connected to fuel reserve tank.
Alternatively, the oil pocket oil inlet is connected to hydraulic pump, the oil pocket oil outlet is connected to the oil inlet of reversal valve.
Alternatively, the oil pocket oil inlet is connected to hydraulic cylinder, the oil pocket oil outlet and reversal valve are used for connection liquid cylinder pressure Hydraulic fluid port connection;Or hydraulic fluid port of the oil pocket oil inlet with reversal valve for connection liquid cylinder pressure is connected to, the oil pocket oil outlet It is connected to hydraulic cylinder.
Preferably, the electric machine casing includes: the electric machine stand as the self-cooling set, is had as described thermally conductive The inboard wall of base of inner wall and base outer wall as the heat dissipation outer wall, and be formed in the inboard wall of base and base outer wall it Between the cooling oil chamber;Base front cover is formed after being fixedly connected with the electric machine stand for installing the rotor With the motor cavity of motor stator.
Preferably, the cooling oil chamber is open end close to one end of the base front cover, passes through trapezoidal cross-section sealing ring Sealing.
Preferably, the trapezoidal cross-section sealing ring is made of oil resistant rubber.
The beneficial effects of the utility model embody in the following areas:
1) hydraulic oil circulated generated when the utility model Oil pump electrical machinery drives hydraulic pump works using it carries out From cooling, radiate without increasing external structure, energy saving, save the cost;
2) the utility model Oil pump electrical machinery at work, is cooled down, Ke Yili by importing the hydraulic oil circulated The heat that work generates constantly is taken away with circulating for hydraulic oil, improves the heat dissipation effect of long-play, improves heat dissipation Efficiency realizes the work of motor long-time high efficient and reliable;
3) cooling oil chamber in the electric machine stand of the utility model Oil pump electrical machinery is set close to motor stator core and rear bearing It sets, improves heat dissipation effect;
4) the utility model eliminates the radiator fan using wind-cooling heat dissipating, it is thus eliminated that the wind that radiator fan generates rubs Loss improves electric efficiency;The noise of the machinery and wind that generate in radiator fan operation simultaneously is all eliminated, and complete machine noise is obtained With decline;
5) the utility model eliminates radiator fan and fan housing, shortens the installation axle position of radiator fan and fan housing, makes electricity Machine axial length is reduced, and volume reduces, and cost reduces.
Detailed description of the invention
Fig. 1 is the hydraulic scheme of the prior art;
Fig. 2 is structural schematic diagram of the prior art using the Oil pump electrical machinery of wind-cooling heat dissipating;
Fig. 3 is a kind of structural schematic diagram from cooling Oil pump electrical machinery of the utility model;
Fig. 4 is the structural schematic diagram of the electric machine casing of the certainly cooling Oil pump electrical machinery of the utility model;
Fig. 5 is A partial enlarged view shown in Fig. 4;
Fig. 6 a, 6b and 6c are cooling oil path figure of the utility model from cooling Oil pump electrical machinery embodiment one;
Fig. 7 a, 7b and 7c are cooling oil path figure of the utility model from cooling Oil pump electrical machinery embodiment two;
Fig. 8 a, 8b, 8c and 8d are cooling oil path figure of the utility model from cooling Oil pump electrical machinery embodiment three.
Description of symbols: 1- hydraulic pump;2- reversal valve;3- hydraulic cylinder;4- Oil pump electrical machinery;41- electric machine stand;411- machine Seat inner wall;412- base outer wall;413- cooling oil chamber;40a- oil pocket oil inlet;40b- oil pocket oil outlet;42- base front cover; 43- trapezoidal cross-section sealing ring;44- rotor;45- motor stator;46- rear bearing;5- fuel reserve tank.
Specific embodiment
In the description of the present invention, it should be understood that "front", "rear" in text, " left side ", " in " the instructions side such as " right side " Position or the term of positional relationship are to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and Simplify description, rather than indicates or imply signified device, element etc. and must have a particular orientation or with specific orientation Construction and operation, therefore should not be understood as the restriction to the utility model.
It should be noted that the utility model connects in the oil circuit that Figure of description 6a merely illustrates Oil pump electrical machinery 4 into 8d It connects;The drive connection relationship of Oil pump electrical machinery 4 Yu hydraulic pump 1 is not shown, does not represent and is not connected with, Oil pump electrical machinery 4 is adopted with hydraulic pump 1 It is connected with the mode of the prior art.
As shown in figure 3, the utility model provides a kind of certainly cooling Oil pump electrical machinery, comprising: electric machine casing;It is mounted on motor casing Intracorporal rotor 44 and motor stator 45;And it is close to the self-cooling set installed on the outside of motor stator 45.This is practical new When type Oil pump electrical machinery drives hydraulic pump works, the hydraulic oil circulated is generated under the pressure effect of hydraulic pump, hydraulic oil exists It is constantly flowed through from self-cooling set during circulation, takes away the heat that motor stator 45 constantly generates, to utilize hydraulic pressure system The hydraulic oil that repeats itself flows of uniting is realized to the certainly cooling of Oil pump electrical machinery.
Wherein, the self-cooling set of the utility model includes: heat dissipation outer wall;It is close to the thermally conductive interior of 45 outer wall of motor stator Wall;Cooling oil chamber 413 between heat dissipation outer wall and thermally conductive inner wall is set;It is mounted on the oil pocket oil inlet of 413 one end of cooling oil chamber Mouth 40a;It is mounted on the oil pocket oil outlet 40b of 413 other end of cooling oil chamber;Wherein, when Oil pump electrical machinery drives hydraulic pump works, The hydraulic oil that hydraulic system circulates is imported into cooling oil chamber 413 via oil pocket oil inlet 40a, then via oil pocket oil outlet 40b export, takes away the heat that motor stator distributes, and realizes the certainly cooling of Oil pump electrical machinery.
As shown in Figures 3 and 4, the electric machine casing of the utility model includes: electric machine stand 41;Base front cover 42, with motor Base 41 forms the motor cavity for installing rotor 44 and motor stator 45 after being fixedly connected.
When preferred implementation, it regard the electric machine stand 41 of the utility model as self-cooling set.Specifically, as shown in figure 3, will The inboard wall of base 411 of electric machine stand 41 is used as thermally conductive inner wall;By the base outer wall 412 of electric machine stand 41 as heat dissipation outer wall, benefit The cooling oil chamber 413 being formed between inboard wall of base 411 and base outer wall 412 is circulated through with hydraulic oil to carry out Oil pump electrical machinery It is cooling.
As shown in figure 3, when it is implemented, inboard wall of base 411 is close to the iron core setting of motor stator 45, and abutting rear bearing 46 settings, the heat for generating motor stator core and rear bearing is as much as possible to be transmitted to inboard wall of base 411, and then by cold But the hydraulic oil flowed through in oil pocket 413 is taken away, and is dispersed into surrounding air by base outer wall 412, realizes to motor stator 45 iron core and effective heat dissipation of rear bearing 46.
The electric machine stand 41 of the utility model is manufactured using evaporative pattern precise cast molding technology, and after the completion of metalworking It takes the closed ventilation under certain pressure to detect, avoids oil leak.
As shown in figure 3, cooling oil chamber 413 is set as open end close to one end of base front cover 42 by the utility model, so as to It is cleared out in by the residue being deposited in casting process in cooling oil chamber 413, residue is mixed into when hydraulic oil being avoided to flow through, reduced The service life of hydraulic system operation element;So that hydraulic oil is come into full contact with cooling oil chamber 413 simultaneously, takes away heat as far as possible.This reality Sealing is realized by the way that trapezoidal cross-section sealing ring 43 is arranged in the open end of cooling oil chamber 413 with novel.Trapezoidal cross-section sealing ring 43 It is made of oil resistant rubber.
As shown in Figures 4 and 5, the electric machine stand 41 of the utility model and base front cover 42 are cooperated using seam allowance, and by tight Fixing bolt locking.By adjusting fastening bolt, sealing effect of the adjustable trapezoidal cross-section sealing ring 43 to cooling oil chamber 413. When base front cover 42 to be assembled on electric machine stand 41, with the locking of fastening bolt, the male half coupling of base front cover 42 is continuous Go deep into the concave mouth of electric machine stand 41, the assembled end of base front cover 42 constantly squeezes trapezoidal cross-section sealing ring 43, makes trapezoidal disconnected Face sealing ring 43 is even closer to be combined with inboard wall of base 411 and base outer wall 412, prevents oil leak.
When implementing the cooling certainly of the utility model Oil pump electrical machinery, the utility model Oil pump electrical machinery can be accessed have circulation fluid In any hydraulic circuit for the hydraulic system that pressure oil flows through, as long as can be cooling to Oil pump electrical machinery using the hydraulic oil of flowing.
It is hydraulic to illustrate that the utility model Oil pump electrical machinery is circulated using hydraulic system with reference to the accompanying drawings and examples Oil carries out self cooled method.
Embodiment one
As shown in figure 6 a and 6b, hydraulic system includes: hydraulic pump 1, reversal valve 2, hydraulic cylinder 3, Oil pump electrical machinery 4 and fuel reserve tank 5.Wherein, when Oil pump electrical machinery 4 drives hydraulic pump 1 to work, the hydraulic oil in fuel reserve tank 5 flows to the oil inlet P of reversal valve 2, passes through The commutation of reversal valve 2 makes the piston in hydraulic cylinder 3 move right (Fig. 6 a) or be moved to the left (Fig. 6 b), while returning from hydraulic cylinder 3 The hydraulic oil of stream flows back into fuel reserve tank 5 from the oil return opening O of reversal valve 2, forms the hydraulic oil circulated.
As shown in figure 6 a and 6b, Oil pump electrical machinery 4 is mounted in the hydraulic circuit after the oil return opening O of reversal valve 2, is utilized The hydraulic oil of hydraulic cylinder reflux cools down Oil pump electrical machinery 4.The cooling means is not influencing the same of hydraulic system working efficiency When, also Oil pump electrical machinery 4 is effectively cooled down.
As fig. 6 c, Oil pump electrical machinery 4 is mounted in the hydraulic circuit after the oil return opening O of reversal valve 2.Work as reversal valve In middle position, 3 bidirectional locking of hydraulic cylinder, when 1 release of hydraulic pump, also can use release hydraulic oil Oil pump electrical machinery 4 is carried out it is cold But.
Specifically, the oil return opening O of the oil pocket oil inlet 40a of Oil pump electrical machinery 4 and reversal valve 2 is connected as shown in Fig. 6 a to 6c Logical, oil pocket oil outlet 40b is connected to fuel reserve tank 5.The hydraulic oil or release hydraulic oil to flow back from hydraulic cylinder is according to arrow direction Oil pocket oil inlet 40a is flowed into from the oil return opening O of reversal valve 2, after importeding into cooling oil chamber 413 via oil pocket oil inlet 40a, then from Oil pocket oil outlet 40b exports to fuel reserve tank 5, takes away the heat that Oil pump electrical machinery 4 distributes.
Embodiment two
The present embodiment forms the mode of the hydraulic oil circulated as in the first embodiment, repeating no more.
As illustrated in figs. 7 a and 7b, Oil pump electrical machinery 4 is mounted in the hydraulic circuit before the oil inlet P of reversal valve 2, is utilized Pressure fluid pressure oil cools down Oil pump electrical machinery 4.
As shown in Figure 7 c, Oil pump electrical machinery 4 is mounted in the hydraulic circuit before the oil inlet P of reversal valve 2.Work as reversal valve In middle position, 3 bidirectional locking of hydraulic cylinder, when 1 release of hydraulic pump, also can use release hydraulic oil Oil pump electrical machinery 4 is carried out it is cold But.
Specifically, the oil pocket oil inlet 40a of Oil pump electrical machinery 4 is connected to hydraulic pump 1, oil pocket goes out as shown in Fig. 7 a to 7c Hydraulic fluid port 40b is connected to the oil inlet P of reversal valve 2.The pressure oil or release hydraulic oil come out from hydraulic pump 1 is according to arrow direction After cooling oil chamber 413 is imported into from oil pocket oil inlet 40a, then via the oil inlet P of oil pocket oil outlet 40b pilot operated directional control valve 2, band Walk the heat that Oil pump electrical machinery 4 distributes.
Embodiment three
The present embodiment forms the mode of the hydraulic oil circulated with embodiment one.
As shown in figs. 8 a and 8b, the oil pocket oil inlet 40a of Oil pump electrical machinery 4 is connected to the rod chamber of hydraulic cylinder 3, by oil pocket Hydraulic fluid port A of the oil outlet 40b with reversal valve 2 for 3 rod chamber of connection liquid cylinder pressure is connected to.As shown in Figure 8 a, when rod chamber oil inlet, Pressure oil flows to oil pocket oil outlet 40b from hydraulic fluid port A according to arrow direction, imported into cooling oil chamber 413 via oil pocket oil outlet 40b Afterwards, then via 3 rod chamber of oil pocket oil inlet 40a guiding hydraulic cylinder, the heat that Oil pump electrical machinery 4 distributes is taken away using pressure oil;Such as Shown in Fig. 8 b, reversal valve 2 commutates, and when rod chamber oil return, hydraulic oil-returning flows to oil pocket oil inlet from rod chamber according to arrow direction 40a after importeding into cooling oil chamber 413 via oil pocket oil inlet 40a, then via oil pocket oil outlet 40b is oriented to hydraulic fluid port A, using having The hydraulic oil-returning of rod cavity takes away the heat that Oil pump electrical machinery 4 distributes.
As shown in Fig. 8 c and 8d, the oil pocket oil inlet 40a of Oil pump electrical machinery 4 is connected to the rodless cavity of hydraulic cylinder 3, by oil pocket Hydraulic fluid port B of the oil outlet 40b with reversal valve 2 for 3 rodless cavity of connection liquid cylinder pressure is connected to.As shown in Figure 8 c, when rodless cavity oil inlet, Pressure oil flows to oil pocket oil outlet 40b from hydraulic fluid port B according to arrow direction, imported into cooling oil chamber 413 via oil pocket oil outlet 40b Afterwards, then via 3 rodless cavity of oil pocket oil inlet 40a guiding hydraulic cylinder, the heat that Oil pump electrical machinery 4 distributes is taken away using pressure oil;Such as Shown in Fig. 8 d, reversal valve 2 commutates, and when rodless cavity oil return, hydraulic oil-returning flows to oil pocket oil inlet from rodless cavity according to arrow direction 40a after importeding into cooling oil chamber 413 via oil pocket oil inlet 40a, then via oil pocket oil outlet 40b guiding hydraulic fluid port B, utilizes nothing The hydraulic oil-returning of rod cavity takes away the heat that Oil pump electrical machinery 4 distributes.
Although above-mentioned elaborate the utility model, the utility model is without being limited thereto, the skill of the art Art personnel can be modified with principle according to the present utility model, therefore, all according to the various of the principles of the present invention progress Modification all should be understood as falling into the protection scope of the utility model.

Claims (7)

1. it is a kind of from cooling Oil pump electrical machinery, it is special including electric machine casing and the rotor and motor stator that are mounted in it Sign is further include: carries out self cooled self-cooling set, institute to motor stator using the hydraulic oil that hydraulic system circulates It states self-cooling set to be mounted on the outside of motor stator, and includes:
Cooling oil chamber between heat dissipation outer wall and the thermally conductive inner wall for being close to motor stator outer wall is set;
It is mounted on the oil pocket oil inlet of described cooling oil chamber one end;And
It is mounted on the oil pocket oil outlet of the cooling oil chamber other end;
Wherein, when the Oil pump electrical machinery driving hydraulic pump works, the hydraulic oil that hydraulic system is circulated is via the oil pocket Oil inlet imported into the cooling oil chamber, then exports via the oil pocket oil outlet, takes away the heat that motor stator distributes, realizes The cooling certainly of Oil pump electrical machinery.
2. according to claim 1 from cooling Oil pump electrical machinery, which is characterized in that time of the oil pocket oil inlet and reversal valve Hydraulic fluid port connection, the oil pocket oil outlet are connected to fuel reserve tank.
3. according to claim 1 from cooling Oil pump electrical machinery, which is characterized in that the oil pocket oil inlet and hydraulic pump connect Logical, the oil pocket oil outlet is connected to the oil inlet of reversal valve.
4. according to claim 1 from cooling Oil pump electrical machinery, which is characterized in that the oil pocket oil inlet and hydraulic cylinder connect Logical, hydraulic fluid port of the oil pocket oil outlet with reversal valve for connection liquid cylinder pressure is connected to;Or the oil pocket oil inlet and reversal valve Hydraulic fluid port for connection liquid cylinder pressure is connected to, and the oil pocket oil outlet is connected to hydraulic cylinder.
5. from cooling Oil pump electrical machinery according to Claims 2 or 3 or 4, which is characterized in that the electric machine casing includes:
As the electric machine stand of the self-cooling set, have as the inboard wall of base of the thermally conductive inner wall and as the heat dissipation The base outer wall of outer wall, and the cooling oil chamber being formed between the inboard wall of base and base outer wall;
Base front cover forms the electricity for installing the rotor and motor stator after being fixedly connected with the electric machine stand Machine inner cavity.
6. according to claim 5 from cooling Oil pump electrical machinery, which is characterized in that the cooling oil chamber is before the base One end of lid is open end, is sealed by trapezoidal cross-section sealing ring.
7. according to claim 6 from cooling Oil pump electrical machinery, which is characterized in that the trapezoidal cross-section sealing ring uses oil resistant Rubber is made.
CN201820755114.0U 2018-05-18 2018-05-18 A kind of certainly cooling Oil pump electrical machinery Active CN208190459U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820755114.0U CN208190459U (en) 2018-05-18 2018-05-18 A kind of certainly cooling Oil pump electrical machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820755114.0U CN208190459U (en) 2018-05-18 2018-05-18 A kind of certainly cooling Oil pump electrical machinery

Publications (1)

Publication Number Publication Date
CN208190459U true CN208190459U (en) 2018-12-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112377473A (en) * 2020-11-19 2021-02-19 济宁职业技术学院 Electromechanical hydraulic power system and electromechanical integrated driving device
CN112803676A (en) * 2021-02-23 2021-05-14 美卓矿山安全设备(徐州)有限公司 Permanent magnet electric roller stator circulating cooling device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112377473A (en) * 2020-11-19 2021-02-19 济宁职业技术学院 Electromechanical hydraulic power system and electromechanical integrated driving device
CN112803676A (en) * 2021-02-23 2021-05-14 美卓矿山安全设备(徐州)有限公司 Permanent magnet electric roller stator circulating cooling device
CN112803676B (en) * 2021-02-23 2022-05-24 美卓矿山安全设备(徐州)有限公司 Permanent magnet electric roller stator circulating cooling device

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Date Code Title Description
GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20210210

Address after: 355000 plot B, Gantang industrial and Trade Zone, Fu'an City, Ningde City, Fujian Province

Patentee after: Sanhe electric appliances (Fujian) Co.,Ltd.

Address before: 355009 plot B1, east side of national highway 104, north of Gantang Town, Fu'an City, Ningde City, Fujian Province

Patentee before: FUJIAN MINDONG ELECTRIC Corp.,Ltd.

TR01 Transfer of patent right