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1. 发明专利

JPH09286247A FUEL STORAGE DEVICE 失效
公开(公告)号：JPH09286247A
公开(公告)日：1997-11-04
申请号：JP9714596
申请日：1996-04-18
申请人： MITSUBISHI MOTORS CORP
发明人： KUNIMITSU MASABUMI , MORI SEIJI , MURAGUCHI TOMOKAZU , ANDO YOICHIRO
IPC分类号： B60K15/04
摘要： PROBLEM TO BE SOLVED: To provide a fuel storage device that is able to insert and hold an oil gun without entailing any damage to a gun nozzle and an oil filler pipe, and also capable of maintaining high fueling, even in the case of having a gun nozzle discriminating guide member and a small diametral oil filler pipe both. SOLUTION: This fuel storage device is equipped with an oil filler pipe 2 being insertable with a gun nozzle 52 of an oil gun 50, and feeding fuel to a fuel tank, an oil filler port 10 being continuously installed in the other end of this oil filler pipe 2, and guiding the insertion of the gun nozzle 52 into the oil filler pipe 2 while holding the oil gun 50, a contracted diametral part 2c being formed in the other end of this oil filler pipe 2, and having a slightly larger inner diameter than a specified outer diameter of the gun nozzle, and a guide means 20 having an opening hole 21 and allowing an insertional pass of the gun nozzle 52 being below the specified outer diameter and guiding an insertion of the gun nozzle 52 into the contracted diametral part, respectively. This guide means 20 comprises a displacement means (rubber material) which makes any displacement (ranging from a two-dot chain line to a full line) in the diametral direction of the oil filler port 10 of the gun nozzle 52 achievable.

2. 发明专利

JP2002339813A FAILURE DIAGNOSING DEVICE OF EVAPORATED FUEL PROCESSING UNIT 失效
公开(公告)号：JP2002339813A
公开(公告)日：2002-11-27
申请号：JP2001144983
申请日：2001-05-15
申请人： MITSUBISHI MOTORS CORP
发明人： SAITO KENJI , KANAO HIDETSUGU , ANDO YOICHIRO , NAGASHIMA SATOSHI
IPC分类号： F02M25/08
摘要： PROBLEM TO BE SOLVED: To provide a failure diagnosing device of an evaporated fuel processing unit which has many failure diagnosing chances of accurately and surely diagnosing failure. SOLUTION: In this failure diagnosing device of the evaporated fuel processing unit, pressure reduction and sealing thereafter are performed plural times. When a parameter value T correlated to an evaporated fuel generating degree in a fuel tank 1 exceeds a prescribed value T1 when diagnosing the failure by a first failure diagnosing means 13 for determining a result as failure when it occurs more frequently than prescribed that a pressure increasing degree ΔP in the fuel tank 1 is a first prescribed reference value L or more, a diagnosis is switched to a failure diagnosis by a second failure diagnosing means 14 for determining a result as failure when the pressure increasing degree ΔP in the fuel tank 1 exceeds a second prescribed reference value M larger than the first prescribed reference value L.

3. 发明专利

JPH08135521A EVAPORATED FUEL TREATING DEVICE 失效
公开(公告)号：JPH08135521A
公开(公告)日：1996-05-28
申请号：JP27481794
申请日：1994-11-09
申请人： MITSUBISHI MOTORS CORP
发明人： KUNIMITSU MASABUMI , MORI SEIJI , MURAGUCHI TOMOKAZU , ANDO YOICHIRO
IPC分类号： F02M25/08
摘要： PURPOSE: To reduce size by increasing a purge capacity of a canister. CONSTITUTION: An evaporating fuel treating device is provided with a canister 6 which is interconnected to the top of a fuel tank 1 and adsorbs evaporating fuel, a first opening and closing valve 15 installed in a purge path 14 of an intake system 12 of an engine 11, a second opening and closing valve 22 installed in an air venting path 6c of the canister 6, and a control means 16 which controls the first opening and closing valve 15 and the second opening and closing valve 22 and also, when the first control valve 15 is opened, opens the second opening and closing valve 22 after closing it for a specified time.

4. 发明专利

JPH0893577A VAPOR FUEL PROCESSING DEVICE 失效
公开(公告)号：JPH0893577A
公开(公告)日：1996-04-09
申请号：JP14920495
申请日：1995-06-15
申请人： MITSUBISHI MOTORS CORP
发明人： KUNIMITSU MASABUMI , MORI SEIJI , MURAGUCHI TOMOKAZU , ANDO YOICHIRO
IPC分类号： B60K15/077 , F02M25/08 , F02M37/00
摘要： PURPOSE: To miniaturize a canister by reducing the quantity of vapor fuel generated in a fuel tank during fuel supply. CONSTITUTION: A processing device has a canister 6 to adsorb vapor fuel in the fuel system of an engine; a vent passage 5 to communicate a fuel tank 1 with the canister; and a vent circulation passage 11 to communicate the vent passage with the filler neck 2 of the fuel tank, and the bore of the vent circulation passage is decided to be smaller than the bore of the vent passage.

5. 发明专利

JPH0842413A EVAPORATED FUEL TREATING EQUIPMENT 失效
公开(公告)号：JPH0842413A
公开(公告)日：1996-02-13
申请号：JP17697694
申请日：1994-07-28
申请人： MITSUBISHI MOTORS CORP
发明人： KUNIMITSU MASABUMI , MORI SEIJI , MURAGUCHI TOMOKAZU , ANDO YOICHIRO
IPC分类号： F02M25/08 , F02M33/00 , F02M37/00
摘要： PURPOSE:To promote the miniaturization of evaporated fuel treating equipment in heightening the adsorptive function of evaporated fuel in time of fueling and the desorption function in time of engine driving respectively, by heating a canister at a time when a fuel residual quantity in a fuel tank is still abundant but when it is little, suspending the heating the other way. CONSTITUTION:A float 12 moves up and down according to the height of a level of fuel in a fuel tank 1, therefore when a fuel quantity is much, it goes up, and a movable contact 13c comes into contact with two fixed contacts 13a and 13b, whereby a switch 13 is turned on. Likewise, the float 12 goes down if the quantity in the tank 1 becomes lessened attendingly, and when the movable contact 13c separates from these fixed contacts 13a and 13b, the switch 13 is turned off. The fuel quantity in the case of the switch 13 turned off is a time it has come to that requires an oil charge. On end of an electric heater 11 stored in a adsorbent 8 of a canister 6 is connected to the contact 13a of the switch 13, and the other end is connected to a contact 15a of a key switch 15, respectively.

6. 发明专利

JP2002349362A MALFUNCTION DIAGNOSING DEVICE FOR VAPORIZED FUEL TREATMENT EQUIPMENT 失效
公开(公告)号：JP2002349362A
公开(公告)日：2002-12-04
申请号：JP2001156812
申请日：2001-05-25
申请人： MITSUBISHI MOTORS CORP
发明人： SAITO KENJI , KANAO HIDETSUGU , ANDO YOICHIRO , NAGASHIMA SATOSHI
IPC分类号： G01M15/04 , F02M25/08
摘要： PROBLEM TO BE SOLVED: To provide a malfunction diagnosing device for vaporized fuel treatment equipment improving the performance of the malfunction diagnosis, improving the chance of the malfunction diagnosis without malfunction. SOLUTION: The malfunction diagnosing device for vaporized fuel treatment equipment has a first malfunction diagnosing means 13 for diagnosing the malfunction of a large hole observing the pressure decreasing degree in a fuel tank in the state introducing an engine intake negative pressure with isolating a purge passage 4 of the vaporized fuel connecting the fuel tank 1 and the engine intake passage 6 from the outside air, a second diagnosing means for the malfunction diagnosis corresponding to a small hole with observing the pressure increasing degree in the closed state isolating the outside air after decreasing the inside of the fuel tank to the predetermined negative pressure, and a working region B of the second diagnosis means is enlarged to the lower negative pressure side than the working region of the first diagnosis means including the working region A of the first diagnosis means.

7. 发明专利

JP2001047878A FUEL TANK DEVICE FOR VEHICLE 失效
公开(公告)号：JP2001047878A
公开(公告)日：2001-02-20
申请号：JP22465499
申请日：1999-08-06
申请人： MITSUBISHI MOTORS CORP
发明人： KOYAMA TOSHIHIRO , KATO KENJI , ANDO YOICHIRO
IPC分类号： B60K15/077 , B60K15/04 , F02M37/00
摘要： PROBLEM TO BE SOLVED: To enable additional fueling by providing a fuel tank device for vehicle so as to exhaust vapor from a small hole of a filler pipe member and arranging a fuel shut-off valve member preventing flowing-out of the fuel inside a fuel tank onto the other end side of the filler pipe member on the other end side of the filler pipe member more than the small hole. SOLUTION: This fuel tank device for vehicle is constituted by a fuel tank 1 storing fuel, a filler pipe member 2 whose one end faces the inside of the fuel tank 1 and other end is provided so as to insert a fuel supply gun 4, a vapor pipe member 3 whose one end faces the inside of the fuel tank 1 and other end is connected with a canister, and a valve member 5 provided in an end part facing the inside of the fuel tank 1 of the vapor pipe member 3. The valve member 5 is closed when the fuel in the fuel tank 1 reaches a predetermined liquid level position 8. The filler pipe member 2 has a small hole 10 for exhausting vapor at a higher position 9 than a liquid level at which the valve member 5 is closed and has a fuel shut-off valve 11 for preventing spray back of the fuel on its upstream side.

8. 发明专利

JPH08253039A FUEL STORING DEVICE 失效
公开(公告)号：JPH08253039A
公开(公告)日：1996-10-01
申请号：JP6121695
申请日：1995-03-20
申请人： MITSUBISHI MOTORS CORP
发明人： ANDO YOICHIRO , MURAGUCHI TOMOKAZU , KOYAMA TOSHIHIRO
IPC分类号： B60K15/077 , B60K15/04
摘要： PURPOSE: To provide a fuel storing device in which evaporated gas is prevented from being discharged from an oil filler port to the atmosphere, and oil supplying by an evaporated gas sucking-type oil supplying system is enabled. CONSTITUTION: An atmosphere introducing hole 21 is formed between an oil filler port 4 and a seal surface on the pipe wall of a filler neck 16, and the atmosphere is introduced into the filler neck 16 through this atmosphere introducing hole 21. Accordingly, suction to a fuel storage tank side is performed through a suction duct 10 bonded to the oil filler port 4 in performing oil supplying, and air on the periphery of an oil supplying nozzle 6 is sucked to an oil supplying pipe 2 by aspiration in oil supplying, however, pressure in the oil supplying pipe 2 is hardly decreased since the atmosphere is introduced from the atmosphere introducing hole 21, and stopping of oil supplying by the operation of an oil supplying stop sensor is not generated.

9. 发明专利

JPH0842406A EVAPORATED FUEL TREATING EQUIPMENT 失效
公开(公告)号：JPH0842406A
公开(公告)日：1996-02-13
申请号：JP17697794
申请日：1994-07-28
申请人： MITSUBISHI MOTORS CORP
发明人： KUNIMITSU MASABUMI , MORI SEIJI , MURAGUCHI TOMOKAZU , ANDO YOICHIRO
IPC分类号： F02M25/08 , F02M37/00 , F02M37/04
摘要： PURPOSE:To make improvements in the adsorptive function of evaporated fuel in time of fueling and its desorption function in time of engine driving by connecting a canister to the upper part of a fuel tank, and selecting a return passage making the excess fuel of engine flowing back, and another return passage through an inner part of the canister selectively by means of a fuel quantity in the tank. CONSTITUTION:A pipe 11 is stored as meandering in an adsorbent 8 of a canister 6, and its one end 11a pierces through vertically on the top 1a of a fuel tank. In addition, one end of a fuel return pipe 12 for making the excess fuel of an engine flow back to the fuel tank pierces through vertical the tank top 1a. Further, this pipe 11 serves as another return pipe 11 for making the return fuel pass through an inner part of the canister 6 and flow back to the fuel tank. A selector mechanism 13 switches each one end 11a or 12a of the return pipe 11 or fuel return pipe 12 selectively after closing it according to a fuel quantity in the tank.

10. 发明专利

JP2002349365A MALFUNCTION DIAGNOSIS EQUIPMENT FOR VAPORIZED FUEL TREATMENT DEVICE 失效
公开(公告)号：JP2002349365A
公开(公告)日：2002-12-04
申请号：JP2001156808
申请日：2001-05-25
申请人： MITSUBISHI MOTORS CORP
发明人： SAITO KENJI , KANAO HIDETSUGU , ANDO YOICHIRO , NAGASHIMA SATOSHI
IPC分类号： G01M15/04 , B60K15/077 , F02M25/08 , G01M15/00
摘要： PROBLEM TO BE SOLVED: To provide a malfunction diagnosis equipment for a vaporized fuel device, capable of diagnosing a malfunction exactly without decreasing a diagnosis chance blindly even when the pressure in a tank increases suddenly owing to a slosh. SOLUTION: After the pressure in a fuel tank 1 is decreased to the predermined negative pressure P1, a malfunction diagnosis is made by observing the pressure increasing degree ΔP in the closed state isolated from the atmosphere. When diagnosing, comparing a pressure detecting value Pn in the fuel tank 1 with a reference value M increasing at the predetermined increasing rate, the renewal of the pressure detecting value Pn is interrupted while the pressure detecting value Pn exceeds the reference M, and the renewal of the pressure detecting value Pn restarts when the pressure detecting value becomes not greater than the reference value.

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