CN203349847U - Device and system for sensing position of clutch - Google Patents
Device and system for sensing position of clutch Download PDFInfo
- Publication number
- CN203349847U CN203349847U CN201320449141.2U CN201320449141U CN203349847U CN 203349847 U CN203349847 U CN 203349847U CN 201320449141 U CN201320449141 U CN 201320449141U CN 203349847 U CN203349847 U CN 203349847U
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- clutch coupling
- signal
- clutch
- bottom position
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model provides a device for sensing the position of a clutch. The device comprises a first detection circuit for sensing the position of the top of the clutch to generate a clutch top position signal (GRA); a second detection circuit for sensing the position of the bottom of the clutch to generate a clutch bottom position signal (IL); and a current amplification circuit connected with the second detection circuit for generating a clutch bottom position complementation signal (IL-K) and current-amplifying the complementation signal. According to the sensing device provided by the utility model, the second detection circuit and the current reverse amplification circuit can provide two complementary signals, increasing the reliability of the clutch bottom position signal; and the current reverse amplification circuit can provide a large-current output beside the redundancy, facilitating the driving of large-current loads, such as automotive motors.
Description
Technical field
The utility model relates generally to the clutch position sensing apparatus, and relates more specifically to produce according to the clutch position sensed the Apparatus and system of control signal.
Background technology
In order to save gasoline, after gear shift lever of auto vehicles rests on neutral position and has been equipped with a period of time (for example, after 5 seconds), control unit of engine (ECU) produces the engine stop control signal, automatically the engine of closing automobile.When control unit of engine receives automobile clutch and is stepped toward the signal in a precalculated position, if shift lever still is in the neutral position scope, control unit of engine produces and starts control signal, automatically starts the engine of automobile, makes automobile again in running order.
Existing automobile clutch position signalling can be produced by existing clutch coupling main piston (Clutch Master Cylinder or CMC) device.Along with stepping on of clutch pedal, existing clutch coupling main piston device produces two control signals, that is: clutch coupling tip position signal and clutch coupling bottom position signal.Clutch coupling tip position signal indication clutch coupling is about to or has just been stepped on that (that is, clutch friction plate is about to or has just been separated gradually; Now, gear case and engine are also in engagement), control unit of engine prepares to start the engine of automobile; Clutch coupling bottom position signal means to be stepped on bottom position by clutch coupling, and (that is, clutch friction plate is in separation point position; Now, gear case and engine are in released state), control unit of engine can start the engine of automobile.
But, for automobile control structure and the circuit of development and renewal, in the clutch coupling bottom position signal that existing clutch coupling main piston device provides, its current drives electric current (being less than 20mA) can not meet the needs that automobile is controlled.And, along with the increase of the various control functions of automobile, the reliability of clutch coupling bottom position signal is had to higher requirement.
The utility model content
One of the purpose of this utility model is to provide a kind of sniffer and system of improved generation clutch coupling main piston signal, to meet requirement and the needs that automotive control system is higher.
In order to reach above purpose, the utility model provides a kind of sniffer that produces the clutch position signal, comprising:
The first detection circuit, for the tip position of sensing clutch coupling, to produce clutch coupling tip position signal (GRA);
The second detection circuit, for the bottom position of sensing clutch coupling, to produce clutch coupling bottom position signal (IL); With
The current amplification circuit that the second detection circuit is connected, for generation of clutch coupling bottom position complementary signal (IL-K), and electric current amplifies described complementary signal.
In order to reach above purpose, the utility model also provides a kind of detection system that produces the clutch position signal, comprising:
Piston cylinder and the piston rod that can in piston cylinder, make traveling priority, be equipped with magnet arrangement on described piston rod;
The first detection circuit, for the described magnet arrangement flux change of sensing, to survey the tip position (GRA) of clutch coupling;
The second detection circuit, for the described magnet arrangement flux change of sensing, to survey the bottom position (IL) of sensing clutch coupling;
The current amplification circuit that the second detection circuit is connected, for generation of clutch coupling bottom position complementary signal (IL-K), and electric current amplifies described complementary signal.
Useful technique effect of the present utility model comprises:
(1) in sensing apparatus 108, the second sensing circuit 114 and electric current reverse amplification circuit 260 can provide signal IL and the IL-K of two complementations, the redundant signals that wherein signal IL-K is signal IL, the signal complementary with it is as redundant signals, it is convenient to realize, more can improve the reliability of clutch coupling bottom position signal;
(2) signal IL-K provides high-power electric current, when redundancy is provided, is conducive to drive large current load, for example drives electric motor of automobile; And
(3) two of sensing clutch position signal GRA and IL sensing circuits are separately positioned on different chips; And, provide complementary signal IL-K and the second sensing circuit 114 and the electric current reverse amplification circuit 260 of IL also to be separately positioned in two chips, thus can and available circuit compatibility is set.
The accompanying drawing explanation
With reference to accompanying drawing, the embodiment of the present invention is described, wherein:
Fig. 1 illustrates the side view that cuts open according to clutch coupling main piston device 100 in the utility model;
Fig. 2 illustrates the more detailed structure of sensing apparatus 108 in Fig. 1;
Fig. 3 A illustrates the structured flowchart of the first sensing circuit 112 of the sensing apparatus 108 in the clutch coupling main piston device 100 of Fig. 1;
Fig. 3 B illustrates the second sensing circuit 114 of the sensing apparatus 108 in the clutch coupling main piston device 100 of Fig. 1 and the structured flowchart of electric current reverse amplification circuit 260;
Fig. 4 illustrates in Fig. 3 B the structured flowchart of lower edge switch circuit 210 in electric current reverse amplification circuit 260;
Fig. 5 illustrates the schematic diagram according to three output signals of the sensing apparatus 108 of an embodiment of the utility model.
Embodiment
Refer now to specific embodiment, its example shown in the drawings.In the detailed description of specific embodiment, directional terminology, such as " top ", " bottom ", " top ", " below ", " left side ", " the right " etc. used with reference to the described direction of accompanying drawing.Because the parts of the utility model embodiment can be configured to many different directions, directional terminology is used as the purpose of aid illustration and restriction anything but.As much as possible, the same or analogous mark and the symbol that in institute's drawings attached, use mean same or analogous part.
Fig. 1 illustrates according to clutch position sensing system 100 of the present utility model, and the piston 102 in clutch position sensing system 100 is shown, the dissection side view of piston cylinder 104 and magnet arrangement 106, and the schematic diagram of sensing apparatus 108.In Fig. 1, the magnet arrangement 106 removable total distance between cylinder bottom and cylinder top in piston cylinder 104 be arranged on piston rod 102 is L1+L2; Wherein the left end portion of S1 means the stroke that moves freely of clutch coupling, i.e. the movement of clutch coupling does not also apply separating force to clutch friction plate; When magnet arrangement 106 has arrived the S1 place, clutch coupling has just been broken away from free state in stepping on, and just clutch friction plate is applied to separating force; Stroke L2 from S1 to S2 means clutch friction plate is applied to separating force gradually, until clutch friction plate separates fully.
As shown in Figure 1, clutch position sensing system 100 comprises piston cylinder 104 and is arranged on the sensing apparatus 108 on piston cylinder 104 outer walls.For example, the outer wall of sensing apparatus 108 relative piston cylinders 104 fixed installation.Be provided with the piston rod 102 that can make therein traveling priority in piston cylinder 104.The near-end of piston rod 102 (left end in Fig. 1) (not shown) that is connected with clutch mechanism, thereby piston rod 102.Be provided with magnet arrangement 106 (as magnet or the ring-shaped magnet 106 arranged around piston rod 102) on the far-end of piston rod 102, and this magnet arrangement 106 is suitable for along with the movement of piston rod 102 is reciprocating in piston cylinder 104.Due to the near-end of piston rod 102 (not shown) that is connected with clutch mechanism, so the corresponding operating position of clutch coupling has been reflected in the relevant position of magnet arrangement 106 in piston cylinder 104.
In operating process, while moving to bottom 105 from the top 103 of piston cylinder 104 along with piston rod 102 when magnet arrangement 106, the magnet arrangement 106 be arranged on piston rod 102 moves through the sensing apparatus 108 be arranged on piston cylinder 104 outer walls.The magnetic field (or magnetic flux) of the sensing circuit position in sensing apparatus 108 is along with the relative position of magnet arrangement 106 changes and changes, thereby sensing apparatus 108 can produce the signal that is used to indicate clutch position.In the utility model, the signal that is used to indicate clutch position that sensing apparatus 108 produces comprises: clutch coupling tip position signal GRA (move in piston cylinder 104 when magnet arrangement 106 S1 place produce), clutch coupling bottom position signal IL (moving to the generation of S2 place when magnet arrangement 106 in piston cylinder 104) and with the large current signal IL-K of clutch coupling bottom position signal complementation.Clutch coupling tip position signal indication clutch coupling is in being stepped on to the tip position that has broken away from free state, just clutch friction plate has been applied separating force, but now clutch friction plate is in being adjacent to position, and gear case and engine are in engagement; Clutch coupling bottom position signal means that clutch coupling stepped on bottom position (that is, clutch friction plate is in separation point position, and gear case separates fully with engine), means that control unit of engine can start the engine of automobile.
Fig. 2 illustrates the more detailed structure of sensing apparatus 108 in Fig. 1.As shown in Figure 2, the electric current reverse amplification circuit 260 (the 3rd chip) that sensing apparatus 108 comprises the first chip (IC1) 112 (or first sensing circuit), the second chip (IC2) 114 (or second sensing circuit) and is electrically connected with it.The first sensing circuit 112 is for the tip position of sensing clutch coupling, to produce clutch coupling tip position signal (Clutch top signal) GRA (the S1 place when magnet arrangement 106 in piston cylinder 104 produces).The second sensing circuit 114 is for the bottom position of sensing clutch coupling, to produce clutch coupling bottom position signal (Clutch bottom signal) IL (the S2 place when magnet arrangement 106 in piston cylinder 104 produces).The input of inverse current amplifying circuit 260 is connected with an output of the second sensing circuit, the output generation of inverse current amplifying circuit 260 is contrary with clutch coupling bottom position signal IL polarity, but through electric current amplifying signal IL-K (the S2 place when magnet arrangement 106 in piston cylinder 104 produces).
Fig. 3 A illustrates the structured flowchart of the first sensing circuit 112.As shown in Figure 3A, the first sensing circuit 112 comprises current rectifying and wave filtering circuit 202, Hall sensing circuit 204 and filtering circuit 206.The input end of current rectifying and wave filtering circuit 202 is connected with outside input power Vin, obtain direct current stably thereby outside input power Vin is carried out to rectifying and wave-filtering, its output is connected to Hall sensing circuit 204 and provides power supply to all circuit in the first sensing circuit 112.Hall sensing circuit 204 comprises Hall (Hall effect sensing element) element 222 and processor (or DSP) 224.When magnet arrangement 106 along with piston rod 102 from piston cylinder 104 tops when bottom moves through the Hall effect sensing element 222 the first sensing circuit 112, Hall effect sensing element 222 senses the changes of magnetic field of its position and then produces electric signal.The electric signal that Hall effect sensing element 222 produces is further processed by processor (DSP) 224, then processor (DSP) is at its output terminal 232 places output one indication electric signal, be used to indicate the rectilinear motion position (for example, magnet arrangement 106 in S1 position) of magnet arrangement 106 in piston cylinder 104.Be imported into filtering circuit 206 from the indication electric signal of processor (DSP) 224 outputs.206 pairs of these indication electric signal of filtering circuit carry out filtering and export (the S1 position with magnet arrangement 106 in piston cylinder 104 is corresponding) clutch coupling tip position signal GRA at its output.
Fig. 3 B illustrates the structured flowchart of the second sensing circuit 114 and electric current reverse amplification circuit 260.In Fig. 3 B, with the identical parts shown in Fig. 3 A, with identical Reference numeral, indicated.As shown in Figure 3 B, the second sensing circuit 114 comprises current rectifying and wave filtering circuit 202, Hall sensing circuit 204 and two outputs 234 and 236.Due to current rectifying and wave filtering circuit 202 in Fig. 3 B and Hall sensing circuit 204 and their annexation and identical with shown in Fig. 3 A of cooperatively interacting, therefore, component no longer identical with Fig. 3 A in Fig. 3 B is repeated.
Shown in Fig. 3 B, further towards bottom, move in piston cylinder 104 along with piston rod 102 when magnet arrangement 106 and arrive or during through the Hall effect sensing element 222 in the second sensing circuit 114, Hall effect sensing element 222 senses the changes of magnetic field of its position and then produces electric signal, this electric signal is further processed and at its output terminal 234 places output one indication electric signal by processor (DSP), (for example be used to indicate another rectilinear motion position in piston cylinder 104 of magnet arrangement 106, the S2 position of magnet arrangement 106 in piston cylinder 104).Be imported into filtering circuit 206 from the indication electric signal of processor (or DSP) 224 outputs, 206 pairs of these indication electric signal of filtering circuit carry out filtering and export (the S2 position with magnet arrangement 106 in piston cylinder 104 is corresponding) clutch coupling tip position signal IL at its output.Different from the first sensing circuit 112 shown in Fig. 3 A, in the second sensing circuit 114 shown in Fig. 3 B, also be imported into the input end of electric current reverse amplification circuit 260 from the indication electric signal of Hall sensing circuit 204 outputs, be further processed.
As shown in Figure 3 B, electric current reverse amplification circuit 260 comprises voltage stabilizing regulating circuit 208, lower edge switch circuit 210 and the filtering circuit 212 be connected in series.Voltage stabilizing regulating circuit 208 by the voltage of the indication electric signal of processor (or DSP) 224 output from the high voltage voltage stabilizing to low-voltage (as from the 12V voltage stabilizing to 5V) and output to lower edge switch circuit 210.Lower edge switch circuit 210 is anti-phase by input signal, and carries out electric current amplification (as converted low-Gao-low switch signal to the high-low-high switching signal) and output to filtering circuit 212 through anti-phase and electric current amplified signal.Thereby 212 pairs of filtering circuits carry out the filtering processing at output terminal 254 place's output (the S2 position with magnet arrangement 106 in piston cylinder 104 is corresponding) clutch coupling bottom position complementary signal IL-K through anti-phase with the electric current amplified signal.The signal that IL signal and IL-K signal are two complementations, but the output current of IL-K signal (200mA) is greater than the output current (20mA) of IL signal.
Fig. 4 illustrates in Fig. 3 B the structured flowchart of lower edge switch circuit 210 in electric current reverse amplification circuit 260.As shown in Figure 4, lower edge switch circuit 210 comprises drive element of the grid 402, ESD (Electro Static Discharge) holding circuit 404, overvoltage crowbar 406, overheating protection circuit 408, short circuit detection circuit 412, power MOSFET 414 and resistance 416.
Drive element of the grid 402 has input end 432, input end 434 and output terminal 424; Input end 432 is connected with the output of voltage stabilizing regulating circuit 208 in Fig. 3 B; Output terminal 424 is connected with the grid of power MOSFET 514, and like this, drive element of the grid 402 is processed into the IL signal driving signal that is suitable for driving power MOSFET514, and will drive signal to be provided to the grid of power MOSFET 414; Input end 434 receives the control signal of esd protection circuit 404.
Short circuit detection circuit 412 has output 446, the input end be connected with power MOSFET 414 output terminals 436 and the terminal 448 be connected with ground (GND) be connected with power MOSFET 414 grids.Resistance 416 be connected to and (GND) between power MOSFET 414 output terminals 436.Short circuit detection circuit 412 can be worked as power MOSFET 514 output currents while reaching a predetermined value, the increase of Limited Current.
Fig. 5 illustrates the schematic diagram of clutch coupling tip position signal, clutch coupling bottom position signal and clutch coupling bottom position complementary signal according to an embodiment of the present utility model; Wherein X-axis mean piston in piston cylinder from the piston cylinder top direction of motion towards bottom; Y-axis means the voltage status of these three signals.In the present embodiment, the total kilometres of piston 102 in piston cylinder 104 that are provided with magnet arrangement 106 are 32.6mm.In Fig. 4, in order to clearly illustrate this three signals (skip signal or pulse signal), they are illustrated in the same coordinate system system.
As shown in Figure 5, GRA signal indication clutch coupling tip position signal, this signal for example, is changed and the signal of output by the magnetic field (or magnetic flux) of the first sensing circuit 112 (this sensing circuit 112 is positioned at S1 position as depicted in figs. 1 and 2) its position of sensing.IL signal indication clutch coupling bottom position signal, these two signals for example are all, by magnetic field (or magnetic flux) variation of the second sensing circuit 114 (this sensing circuit 114 is positioned at S2 position as shown in Figure 1) its position of sensing the signals of output.The anti-phase large current signal of IL-K signal indication clutch coupling bottom position signal IL, this signal is all carried out anti-phase processing and carries out the electric current amplification obtaining by the output of 260 pairs of the second sensing circuits 114 of electric current reverse amplification circuit.
As shown in Figure 5 and in conjunction with to the description of Fig. 1, for the GRA signal, when magnet arrangement 106, along with piston rod 102, from the top 103 of piston cylinder 104 to bottom, 105 move to primary importance S
1during place (as distance piston cylinder top 9.5mm), the voltage of the GRA signal that the first sensing circuit 112 of corresponding position is exported on piston cylinder 104 outer walls carries out saltus step from high to low, thus the indication clutch coupling tip position that this position in piston cylinder is associated with magnet arrangement.At the tip position of corresponding clutch coupling, the clutch coupling bottom position complementary signal IL that the second sensing circuit 114 and electric current reverse amplification circuit 260 are exported, the voltage of IL-K is constant.Similarly, further move to second place S2 (as distance piston cylinder top 26mm) along with piston rod 102 when magnet arrangement 106 while locating in piston cylinder 104, the voltage of the signal IL that the second sensing circuit 114 of respective distance position is exported on piston cylinder 104 outer walls carries out saltus step from low to high, and the voltage of the complementary signal IL-K that electric current reverse amplification circuit 260 is exported is to carry out from high to low saltus step.Again, these two complementary signal IL, IL-K-are used to indicate with magnet arrangement the clutch coupling bottom position that this position S2 in piston cylinder is associated.That is to say, IL-K is the redundant signals of IL; If only have the IL signal to occur, and do not have the IL-K signal to occur, the IL signal is considered to invalid.Redundant signals IL-K has improved the reliability of clutch coupling bottom position signal.
According to an embodiment of the present utility model, sensing apparatus 108 is a position transducer, and comprises sensor housing and be arranged on the pcb board in sensor housing.Shown in Fig. 2, the first chip 112, the second chip 114 and the 3rd chip 260 are arranged on pcb board.The position of the first chip 112 and the second chip 114 corresponds respectively to the tip position of clutch coupling and the bottom position of clutch coupling.
Can carry out various changes and modification and not break away from spirit and scope of the present utility model embodiment described herein for a person skilled in the art, this be obvious.Therefore, this instructions intention covers various changes and modification, if such change and modification are in the scope of the claim of enclosing and its equivalent.
Claims (17)
1. a sensing apparatus that produces the clutch position signal is characterized in that comprising:
The first detection circuit, for the tip position of sensing clutch coupling, to produce clutch coupling tip position signal (GRA);
The second detection circuit, for the bottom position of sensing clutch coupling, to produce clutch coupling bottom position signal (IL); With
The current amplification circuit that the second detection circuit is connected, for generation of clutch coupling bottom position complementary signal (IL-K), and electric current amplifies described complementary signal.
2. sensing apparatus according to claim 1 is characterized in that:
Described the first detection circuit is that Hall circuit is arranged on (IC1) on the first chip;
Described the second detection circuit is that Hall circuit is arranged on (IC2) on the second chip;
Described current amplification circuit is arranged on the 3rd chip (IC3).
3. sensing apparatus according to claim 2 is characterized in that:
Described sensing apparatus is a position transducer, and described position transducer comprises sensor housing and is arranged on the pcb board in described sensor housing;
Described the first chip (IC1), described the second chip (IC2) and described the 3rd chip (IC3) are arranged on described pcb board;
The position of described the first chip (IC1) and described the second chip (IC2) corresponds respectively to the tip position of clutch coupling and the bottom position of clutch coupling.
4. sensing apparatus according to claim 1 is characterized in that:
Described clutch coupling bottom position complementary signal (IL-K) is the redundant signals of clutch coupling bottom position signal (IL).
5. sensing apparatus according to claim 4 is characterized in that:
The electric current of described clutch coupling bottom position complementary signal is greater than the electric current of clutch coupling bottom position signal.
6. according to the described sensing apparatus of claim 1-5 any one, it is characterized in that:
Described clutch coupling tip position signal (GRA) is a switching signal; At the tip position of corresponding clutch coupling, the voltage of described clutch coupling tip position signal (GRA) carries out saltus step from high to low.
7. sensing apparatus according to claim 6 is characterized in that:
At the tip position of corresponding clutch coupling, the voltage of described clutch coupling bottom position complementary signal (IL, IL-K) is constant.
8. sensing apparatus according to claim 6 is characterized in that:
Described clutch coupling bottom position signal (IL) is switching signal; At the bottom position of corresponding clutch coupling, the voltage of described clutch coupling bottom position signal (IL) carries out saltus step from low to high.
9. sensing apparatus according to claim 6 is characterized in that:
Described clutch coupling bottom position complementary signal (IL-K) signal is a switching signal; At the bottom position of corresponding clutch coupling, the voltage of described clutch coupling bottom position complementary signal (IL-K) carries out saltus step from high to low.
10. a detection system that produces the clutch position signal is characterized in that comprising:
Magnet arrangement, described magnet arrangement is applicable to being installed on the clutch plunger bar, and makes traveling priority with the clutch plunger bar;
The first detection circuit, for the described magnet arrangement flux change of sensing, to survey the tip position (GRA) of clutch coupling;
The second detection circuit, for the described magnet arrangement flux change of sensing, to survey the bottom position (IL) of sensing clutch coupling;
The current amplification circuit that the second detection circuit is connected, for generation of clutch coupling bottom position complementary signal (IL-K), and electric current amplifies described complementary signal.
11. detection system according to claim 10 is characterized in that:
Described magnet arrangement is around the piston rod setting.
12. detection system according to claim 10 is characterized in that:
Described the first detection circuit and the second detection circuit are arranged on the outer wall of clutch plunger cylinder.
13. detection system according to claim 10 is characterized in that:
Described clutch coupling bottom position complementary signal (IL-K) is the redundant signals of clutch coupling bottom position signal (IL).
14. detection system according to claim 13 is characterized in that:
The electric current of described clutch coupling bottom position complementary signal is greater than the electric current of clutch coupling bottom position signal.
15. detection system according to claim 10 is characterized in that:
Described the first detection circuit is Hall circuit, is arranged on (IC1) on the first chip;
Described the second detection circuit is Hall circuit, is arranged on (IC2) on the second chip;
Described current amplification circuit is arranged on the 3rd chip (IC3).
16. detection system according to claim 15 is characterized in that:
Described detection system comprises a position transducer, and described position transducer comprises sensor housing and is arranged on the pcb board in described sensor housing;
Described the first chip (IC1), described the second chip (IC2) and described the 3rd chip (IC3) are arranged on described pcb board;
The position of described the first chip (IC1) and described the second chip (IC2) corresponds respectively to the tip position of clutch coupling and the bottom position of clutch coupling.
17. detection system according to claim 10 is characterized in that:
Described the first detection circuit is arranged on the place of piston cylinder outer wall corresponding to the tip position of clutch coupling;
Described the second detection circuit is arranged on the place of piston cylinder outer wall corresponding to the bottom position of clutch coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320449141.2U CN203349847U (en) | 2013-07-25 | 2013-07-25 | Device and system for sensing position of clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320449141.2U CN203349847U (en) | 2013-07-25 | 2013-07-25 | Device and system for sensing position of clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203349847U true CN203349847U (en) | 2013-12-18 |
Family
ID=49749735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320449141.2U Expired - Lifetime CN203349847U (en) | 2013-07-25 | 2013-07-25 | Device and system for sensing position of clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203349847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509773A (en) * | 2014-09-26 | 2016-04-20 | 泰科电子(上海)有限公司 | Position sensor and system, position sensor and system used for clutch main cylinder |
-
2013
- 2013-07-25 CN CN201320449141.2U patent/CN203349847U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509773A (en) * | 2014-09-26 | 2016-04-20 | 泰科电子(上海)有限公司 | Position sensor and system, position sensor and system used for clutch main cylinder |
| CN105509773B (en) * | 2014-09-26 | 2018-07-13 | 泰科电子(上海)有限公司 | position sensor and system and position sensor and system for clutch master cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200131 Shanghai City, Pudong New Area Waigaoqiao Free Trade Zone Hedan Road No. 142 in the first layer of the whole site Patentee after: Tyco Electronics (Shanghai) Co.,Ltd. Patentee after: Tyco Electronics Corp. Patentee after: TE CONNECTIVITY GERMANY GmbH Address before: 200131 Shanghai City, Pudong New Area Waigaoqiao Free Trade Zone Hedan Road No. 142 in the first layer of the whole site Patentee before: Tyco Electronics (Shanghai) Co.,Ltd. Patentee before: Tyco Electronics Corp. Patentee before: TYCO ELECTRONICS AMP Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: Full Place of the First Floor 142 Hedan Road, Waigaoqiao Bonded Zone, Pudong New Area, Shanghai Co-patentee after: TE CONNECTIVITY Corp. Patentee after: Tyco Electronics (Shanghai) Co.,Ltd. Co-patentee after: TE CONNECTIVITY GERMANY GmbH Address before: Full Location of the First Floor 142 Hedan Road, Waigaoqiao Free Trade Zone, Pudong New Area, Shanghai, 2001 Co-patentee before: Tyco Electronics Corp. Patentee before: Tyco Electronics (Shanghai) Co.,Ltd. Co-patentee before: TE CONNECTIVITY GERMANY GmbH |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |
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| CX01 | Expiry of patent term |