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41. 发明专利

JPH08189424A EVAPORATION FUEL DISCHARGE SUPPRESSING DEVICE 失效
公开(公告)号：JPH08189424A
公开(公告)日：1996-07-23
申请号：JP33834594
申请日：1994-12-28
申请人： HONDA MOTOR CO LTD
发明人： HIDANO KOICHI , HARA TAKESHI , KAWAKAMI TOMOYUKI
IPC分类号： B60K15/077 , B60K15/04 , F02M25/08 , F02M37/00
摘要： PURPOSE: To suppress evaporation fuel which flows out to an oiling pipe to be discharge toward outside air by an opening part on the top end part of an evaporation fuel passage for discharging evaporation fuel which is generated in a fuel tank to the oiling pipe, and connecting the top end part of the opening part to the oiling pipe on a downstream side from the blow-out port of an oiling gun which is inserted in the oiling pipe. CONSTITUTION: One end of an evaporation fuel passage 3 is connected to the upper part of a fuel tank T, and a canister C is connected to the other end through an opening/closing valve V. An evaporation fuel passage 22 in which a check valve 25 is interposed is provided between the evaporation fuel passage 3 and the inlet part 2a of an oiling pipe 2. In the evaporation fuel passage 22, the top end part 22c thereof is projected from the inner wall surface of the oiling pipe 2. Evaporation fuel which is generated in the fuel tank T at the time of oiling is led to the canister C, and evaporation fuel makes flow out to the oiling pipe 2 passing the evaporation fuel passage 22, evaporation fuel is cooled and liquefied by oiling fuel from the oiling gun G, and it is refluxed in the tank main body 1 together with oiling fuel.

42. 发明专利

JPH0821317A RELEASE RESTRAINING DEVICE FOR EVAPORATED FUEL 失效
公开(公告)号：JPH0821317A
公开(公告)日：1996-01-23
申请号：JP15710594
申请日：1994-07-08
申请人： HONDA MOTOR CO LTD
发明人： YAMAZAKI KAZUMI , NAKAJIMA TATEAKI , HIDANO KOICHI , HORIUCHI MASAAKI
IPC分类号： B60K15/077 , B60K15/04 , F02M25/08 , F02M37/00
摘要： PURPOSE:To effectively restrain release of evaporated fuel from a fuel tank at feeding fuel oil without using a seal having problems in durability. CONSTITUTION:A first evaporated fuel passage 3 connects a canister C adsorbing evaporated fuel from a tank main body 1 to the tank main body 1, a second evaporated fuel passage 22 connects the inlet part 2a of a fuel feed pipe 2 to the tank main body, and the ventilation resistance of the second evaporated fuel passage 22 is set to be larger than the ventilation resistance of the first evaporated fuel passage 3.

43. 发明专利

JPH07315062A EVAPORATED FUEL PROCESSING DEVICE 失效
公开(公告)号：JPH07315062A
公开(公告)日：1995-12-05
申请号：JP13639694
申请日：1994-05-26
申请人： HONDA MOTOR CO LTD
发明人： YAMAZAKI KAZUMI , HARA TAKESHI , HIDANO KOICHI , WAKASHIRO TERUO , KAWAKAMI TOMOYUKI
IPC分类号： B60K15/077
摘要： PURPOSE:To process liquefied fuel without increasing the ventilation resistance of an evaporated fuel passage so as to secure the smoothness of fuel feeding. CONSTITUTION:A fuel sump 8 is provided in the lowest road clearance position of an evaporated fuel passage 4 for communicating a fuel tank 1 with a canister 12 having an adsorbent. The bottom part of the fuel sump 8 is communicated with the upper part of the fuel tank 1 through a return passage 9. When the internal pressure of the fuel tank 1 is lowered, liquefied fuel accumulated in the fuel sump is returned to the fuel tank 1.

44. 发明专利

JPH07290982A OIL FEEDING DETECTION SWITCH AND VAPOR FUEL PROCESSING DEVICE 失效
公开(公告)号：JPH07290982A
公开(公告)日：1995-11-07
申请号：JP9096594
申请日：1994-04-28
申请人： HONDA MOTOR CO LTD
发明人： WAKASHIRO TERUO , HARA TAKESHI , HIDANO KOICHI , YAMAZAKI KAZUMI , KAWAKAMI TOMOYUKI
IPC分类号： B60K15/077 , F02M25/08 , F02M37/00
摘要： PURPOSE:To precisely detect starting of oil feeding and to prevent external blowoff of vapor fuel by installing an oil feeding detection switch capable of switching in accordance with contact and separation with a cap installed on the upper end of an oil pipe on the back surface of a lid on the upper end of the oil pipe extended upward from a fuel storage tank main body. CONSTITUTION:A fuel tank T consists of an fuel storage tank main body 1 and an oil pipe 2, and a cap 3 is installed on an upper end opening part free to connect and disconnect to and from it. One end of an evaporated fuel passage 13 at the time of feeding oil to the fuel tank T is connected to an upper part space of the tank main body 1 in addition to a charge passage 8, and the other end is connected to a canister C. A solenoid valve 14 is interposed on this passage 13 as an opening and closing control valve 14 signals from an oil feeding detection switch 16 and a car speed detection sensor 17 are input to a control unit 15 for opening and closing actuation to judge whether it is time for oil feeding or not. The oil feeding detection switch 16 is installed on the back surface of a lid 6 so as to enable switching in accordance with contact and separation with and from the cap 3.

45. 发明专利

JPH09296755A INTAKE AND EXHAUST STRUCTURE FOR CANISTER 失效
公开(公告)号：JPH09296755A
公开(公告)日：1997-11-18
申请号：JP13567596
申请日：1996-05-07
申请人： HONDA MOTOR CO LTD
发明人： NAKAJIMA TATEAKI , SOTOZONO SHOICHI , HIDANO KOICHI , SHIDA KIYOBUMI , HORIUCHI MASAAKI
IPC分类号： B01D53/04 , F02M25/08
摘要： PROBLEM TO BE SOLVED: To provide an intake and exhaust structure for a canister, which prevents a reduction in opened area of an exhaust opening resulted from icing of water penetrated thereinto. SOLUTION: In the middle of an intake passage 21 leading from the outside to a canister 14 a one-way valve 23 is provided, and an intake opening 21a of the intake passage is located in a side frame 1 sectionally closed. In the middle of an exhaust passage 25 leading from the canister to the outside an one-way valve 27 is provided, and an exhaust opening 25a of the exhaust passage is located in a sub frame 5 sectionally closed. Outside water or mud is hard to invade the side and sub frames. When the canister absorbs evaporated fuel coming from a fuel. tank generated in fuel-filling, the air of which evaporated fuel compositions are absorbed emitted from the canister is emitted out of the exhaust opening to the outside. When the canister feeds evaporated fuel compositions thus purged to an engine, fresh outside air is inspired from the intake opening through the intake passage to the canister.

46. 发明专利

JPH0932670A EVAPORATED FUEL CONTROL VALVE 失效
公开(公告)号：JPH0932670A
公开(公告)日：1997-02-04
申请号：JP18902095
申请日：1995-07-25
申请人： HONDA MOTOR CO LTD
发明人： SUZUKI TAKESHI , KATO TAKAAKI , HORIUCHI MASAAKI , NAKAJIMA TATEAKI , HIDANO KOICHI
IPC分类号： B60K15/077 , B60K15/035 , F02M25/08 , F02M37/00
摘要： PROBLEM TO BE SOLVED: To prevent attachment of fuel splash splashed from a float valve of an evaporated fuel control valve on a diaphragm valve. SOLUTION: Communication between a float valve communicating room R2 and a canister is controlled by partitioning an oil feeding port communicating room R1 communicated to an oil feeding port and the float valve communicating room R2 communicated to an inside space of a fuel tank T through a float valve 11 in the inside of a casing 6 and arranging a diaphragm valve 15 between the oil feeding port communicating room R1 and the float valve communicating room R2 . A filter 20 is installed on a float valve communicating port 79 to communicate the float valve 11 to the float valve communicating room R2 . Even when fuel splash is produced by impact of a float 12 of the float valve 11 seated on a valve seat 76 , the fuel splash is blocked by the filter 20 and never attached on the diaphragm valve 15 facing the float valve communicating room R2 .

47. 发明专利

JPH08310263A FUEL STORAGE DEVICE 失效
公开(公告)号：JPH08310263A
公开(公告)日：1996-11-26
申请号：JP14532695
申请日：1995-05-19
申请人： HONDA MOTOR CO LTD
发明人： YAMAZAKI KAZUMI , WAKASHIRO TERUO , HARA TAKESHI , HIDANO KOICHI
IPC分类号： B60K15/077
摘要： PURPOSE: To provide a fuel storage device which can supply oil even by a current oil supply equipment while suppressing generation of vaporized fuel. CONSTITUTION: A low pressure tank 1 having a fuel supply pipe 6 is connected to a high pressure tank 2 through a passage 3. Fuel is stored in the low pressure tank 1 at a low pressure in the vicinity of the atmospheric pressure, and fuel is stored in the high pressure tank 2 at a pressure higher than a prescribed high pressure value PH. A pressure pump 4 is provided in the halfway of the passage 3. The high pressure tank 2 is connected to an injector 26 of an internal combustion engine through a pressure regulator 20. Fuel is supplied to the low pressure tank 1 through the fuel supply pipe 6, to pressurize fuel in the low pressure tank 1 by the pressure pump 4 fed to the high pressure tank 2. In the high pressure tank 2, generating vaporized fuel is suppressed.

48. 发明专利

JPH08238944A OIL FILLER PIPE STRUCTURE IN FUEL TANK 失效
公开(公告)号：JPH08238944A
公开(公告)日：1996-09-17
申请号：JP4436895
申请日：1995-03-03
申请人： HONDA MOTOR CO LTD
发明人： HIDANO KOICHI , YAMAZAKI KAZUMI , WAKASHIRO TERUO , HARA TAKESHI , NAKAJIMA TATEAKI , HORIUCHI MASAAKI
IPC分类号： B60K15/04
摘要： PURPOSE: To suppress the generation of evaporated fuel in an oil filler pipe at the time of filling oil and guide fuel smoothly to a tank body in a fuel tank provided with an oil filler pipe extended upward from the tank body and provided at the upper end part with an oil filler port that can insert an oil filling nozzle. CONSTITUTION: A flow direction regulating means 231 for guiding fuel flow from the tip of an oil filling nozzle toward the inner surface of an oil filler pipe 16 while regulating the fuel flow in a direction of turning along the inner surface of the oil filler pipe 16 is provided near an oil filler port 18 in the oil filler pipe 16.

49. 发明专利

JPH08189423A EVAPORATION FUEL DISCHARGE SUPPRESSING DEVICE 失效
公开(公告)号：JPH08189423A
公开(公告)日：1996-07-23
申请号：JP33834694
申请日：1994-12-28
申请人： HONDA MOTOR CO LTD
发明人： YAMAZAKI KAZUMI , HORIUCHI MASAAKI , NAKAJIMA TATEAKI , HIDANO KOICHI , HARA TAKESHI
IPC分类号： B60K15/077 , B60K15/035 , B60K15/04 , F02M25/08 , F02M37/00
摘要： PURPOSE: To simplify the arrangement of a passage so as to reduce a cost by providing an evaporation fuel passage for the communication of a fuel tank and a back pressure chamber or a pressure leading-in passage with each other, and providing a flow rate control means for restricting an evaporation fuel rate on the way thereof. CONSTITUTION: One end of an evaporation fuel passage 3 is connected to the upper part of a tank main body 1, the other end is connected to a canister C for adsorbing evaporation fuel from a fuel tank T, and an opening/closing valve V for opening at the time of oiling is provided on the way of the evaporation fuel passage 3. An evaporation fuel passage 22 is provided between the evaporation fuel passage 3 and the back pressure chamber 11 of the opening/closing valve V, and a check valve 25 is interposed on the way thereof. The check valve 25 is opened when evaporation fuel pressure of the tank main body 1 side exceeds a prescribed opening valve pressure, and evaporation fuel is refluxed from the tank main body 1 side toward an oiling pipe 2 side. At the time of normal oiling, evaporation fuel which is generated in the fuel tank T is led to the canister C through the evaporation fuel passage 3, and also evaporation fuel is led to an inlet part 2a through the evaporation fuel passage 22 and a pressure leading-in passage 15.

50. 发明专利

JPH0891062A EVAPORATED FUEL DISCHARGE SUPPRESSING DEVICE 失效
公开(公告)号：JPH0891062A
公开(公告)日：1996-04-09
申请号：JP25436794
申请日：1994-09-22
申请人： HONDA MOTOR CO LTD
发明人： HORIUCHI MASAAKI , NAKAJIMA TATEAKI , HIDANO KOICHI , YAMAZAKI KAZUMI
IPC分类号： B60K15/04
摘要： PURPOSE: To provide an evaporated fuel discharge suppressing device which can prevent the discharge of the evaporated fuel from a fuel feeding pipe, by the liquid seal action, securing the excellent fuel feeding performance, in the case of the high speed fuel feed, and possesses the large degree of freedom in layout. CONSTITUTION: At the top end part of a fuel feeding pipe 2, a fuel reservoir 4 opened upwardly, check valve 5, and a pressure relief pipe 6 are installed. The fuel reservoir 4 has the bottom surface having a almost shape (curved shape), and at the lowermost part of the bottom surface, a small hole 4a is formed. The pressure relief pipe 6 permits the communication between the upstream side of the top end part of the fuel feeding pipe 2 and the inside of a fuel tank, and when the check valve 5 is closed (state shown on the figure), the pressure in the fuel feeding pipe and the pressure in the fuel tank are made equal. The check valve 5 is in a closed valve state for closing the opened port end of the fuel feeding pipe 2 by its dead weight in the case other than the fuel feeding time. When fuel is supplied, the check valve 5 is turned by fuel, and an opened valve state 1 provided.

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