Patents by Inventor Tomonari Toki
Tomonari Toki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7998257Abstract: A canister, for inhibiting a diffusion phenomenon in an adsorbent layer as much as possible and certainly adsorbing fed evaporated fuel to inhibit blow-by of the evaporated fuel into the atmosphere, is constituted by filling a first adsorbent layer of the canister with activated carbon A having a large evaporated fuel adsorption and a weak holding power, and filling a second and a third adsorbent layers with activated carbon B having an intermediate evaporated fuel adsorption and a weak holding power and therefore having characteristics that the residual amount of the low boiling point components in the evaporated fuel after purge is small, whereby after the high temperature standing of the canister, the discharge of the evaporated fuel into the atmosphere can be inhibited.Type: GrantFiled: December 10, 2008Date of Patent: August 16, 2011Assignee: Aisan Kogyo Kabushiki KaishaInventors: Katsuhiko Makino, Ryuji Kosugi, Tomonari Toki
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Patent number: 7841321Abstract: In a canister and a method of manufacturing a canister, in order to restrain a temperature rise of an adsorptive material owing to adsorption of an evaporated fuel (gasoline vapor) or to restrain a temperature drop of the adsorptive material during purging of the adsorbed gasoline vapor and to increase adsorbing and purging amounts, or in order to improve adsorbing and purging performances of the evaporated fuel, there is disposed a thermal storage material constituted of a phase change substance which absorbs and discharges latent heat in response to a temperature change or a thermal storage material microcapsule constituted by confining the thermal storage material in a microcapsule in a state in which the material or the microcapsule is not brought into direct contact with the evaporated fuel, and especially in the vicinity of the adsorptive material in a heat-conduction state, so that the temperature change is restrained by the thermal storage material in response to the temperature rise or drop of the adType: GrantFiled: January 25, 2006Date of Patent: November 30, 2010Assignees: Aisan Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki KaishaInventors: Ryuji Kosugi, Tsuneyuki Yokochi, Tomonari Toki
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Publication number: 20090090243Abstract: A canister, for inhibiting a diffusion phenomenon in an adsorbent layer as much as possible and certainly adsorbing fed evaporated fuel to inhibit blow-by of the evaporated fuel into the atmosphere, is constituted by filling a first adsorbent layer of the canister with activated carbon A having a large evaporated fuel adsorption and a weak holding power, and filling a second and a third adsorbent layers with activated carbon B having an intermediate evaporated fuel adsorption and a weak holding power and therefore having characteristics that the residual amount of the low boiling point components in the evaporated fuel after purge is small, whereby after the high temperature standing of the canister, the discharge of the evaporated fuel into the atmosphere can be inhibited.Type: ApplicationFiled: December 10, 2008Publication date: April 9, 2009Applicant: Aisan Kogyo Kabushiki KaishaInventors: Katsuhiko MAKINO, Ryuji KOSUGI, Tomonari TOKI
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Patent number: 7507278Abstract: A canister, for inhibiting a diffusion phenomenon in an adsorbent layer as much as possible and certainly adsorbing fed evaporated fuel to inhibit blow-by of the evaporated fuel into the atmosphere, is constituted by filling a first adsorbent layer of the canister with activated carbon A having a large evaporated fuel adsorption and a weak holding power, and filling a second and a third adsorbent layers with activated carbon B having an intermediate evaporated fuel adsorption and a weak holding power and therefore having characteristics that the residual amount of the low boiling point components in the evaporated fuel after purge is small, whereby after the high temperature standing of the canister, the discharge of the evaporated fuel into the atmosphere can be inhibited.Type: GrantFiled: December 20, 2005Date of Patent: March 24, 2009Assignee: Aisan Kogyo Kabushiki KaishaInventors: Katsuhiko Makino, Ryuji Kosugi, Tomonari Toki
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Publication number: 20060196480Abstract: In a canister and a method of manufacturing a canister, in order to restrain a temperature rise of an adsorptive material owing to adsorption of an evaporated fuel (gasoline vapor) or to restrain a temperature drop of the adsorptive material during purging of the adsorbed gasoline vapor and to increase adsorbing and purging amounts, or in order to improve adsorbing and purging performances of the evaporated fuel, there is disposed a thermal storage material constituted of a phase change substance which absorbs and discharges latent heat in response to a temperature change or a thermal storage material microcapsule constituted by confining the thermal storage material.Type: ApplicationFiled: January 25, 2006Publication date: September 7, 2006Applicants: AISAN KOGYO KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryuji Kosugi, Tsuneyuki Yokochi, Tomonari Toki
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Publication number: 20060096457Abstract: A canister, for inhibiting a diffusion phenomenon in an adsorbent layer as much as possible and certainly adsorbing fed evaporated fuel to inhibit blow-by of the evaporated fuel into the atmosphere, is constituted by filling a first adsorbent layer of the canister with activated carbon A having a large evaporated fuel adsorption and a weak holding power, and filling a second and a third adsorbent layers with activated carbon B having an intermediate evaporated fuel adsorption and a weak holding power and therefore having characteristics that the residual amount of the low boiling point components in the evaporated fuel after purge is small, whereby after the high temperature standing of the canister, the discharge of the evaporated fuel into the atmosphere can be inhibited.Type: ApplicationFiled: December 20, 2005Publication date: May 11, 2006Applicant: AISAN KOGYO KABUSHIKI KAISHAInventors: Katsuhiko Makino, Ryuji Kosugi, Tomonari Toki
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Patent number: 7007677Abstract: A reservoir unit to be installed within a fuel tank, in order to prevent bubbles generated by the fuel transfer jet pump of the fuel tank from feeding into the internal combustion engine, comprising a wall formed in a closed bag shape so that the delivered flow of fuel can fully turn round the discharge port of a jet pump, against which fuel containing bubbles delivered from the jet pump hits and, after turning around a partition wall a plurality of times, fills the reservoir unit, with the result that bubbles can be removed from the fuel more efficiently and the fuel in the reservoir can be prevented from containing a large quantity of bubbles.Type: GrantFiled: March 28, 2003Date of Patent: March 7, 2006Assignee: Aisan Kogyo Kabushiki KaishaInventors: Tomonari Toki, Nobuo Suzuki
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Patent number: 7008470Abstract: A canister, for inhibiting a diffusion phenomenon in an adsorbent layer as much as possible and certainly adsorbing fed evaporated fuel to inhibit blow-by of the evaporated fuel into the atmosphere, is constituted by filling a first adsorbent layer of the canister with activated carbon A having a large evaporated fuel adsorption and a weak holding power, and filling a second and a third adsorbent layers with activated carbon B having an intermediate evaporated fuel adsorption and a weak holding power and therefore having characteristics that the residual amount of the low boiling point components in the evaporated fuel after purge is small, whereby after the high temperature standing of the canister, the discharge of the evaporated fuel into the atmosphere can be inhibited.Type: GrantFiled: August 15, 2003Date of Patent: March 7, 2006Assignee: Aisan Kogyo Kabushiki KaishaInventors: Katsuhiko Makino, Ryuji Kosugi, Tomonari Toki
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Publication number: 20040055468Abstract: A canister, for inhibiting a diffusion phenomenon in an adsorbent layer as much as possible and certainly adsorbing fed evaporated fuel to inhibit blow-by of the evaporated fuel into the atmosphere, is constituted by filling a first adsorbent layer of the canister with activated carbon A having a large evaporated fuel adsorption and a weak holding power, and filling a second and a third adsorbent layers with activated carbon B having an intermediate evaporated fuel adsorption and a weak holding power and therefore having characteristics that the residual amount of the low boiling point components in the evaporated fuel after purge is small, whereby after the high temperature standing of the canister, the discharge of the evaporated fuel into the atmosphere can be inhibited.Type: ApplicationFiled: August 15, 2003Publication date: March 25, 2004Inventors: Katsuhiko Makino, Ryuji Kosugi, Tomonari Toki
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Publication number: 20030188786Abstract: A reservoir unit to be installed within a fuel tank, in order to prevent bubbles generated by the fuel transfer jet pump of the fuel tank from feeding into the internal combustion engine, comprising a wall formed in a closed bag shape so that the delivered flow of fuel can fully turn round the discharge port of a jet pump, against which fuel containing bubbles delivered from the jet pump hits and, after turning around a partition wall a plurality of times, fills the reservoir unit, with the result that bubbles can be removed from the fuel more efficiently and the fuel in the reservoir can be prevented from containing a large quantity of bubbles.Type: ApplicationFiled: March 28, 2003Publication date: October 9, 2003Inventors: Tomonari Toki, Nobuo Suzuki
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Patent number: 6460516Abstract: In a canister for a vehicle, in order to significantly reduce a leaking amount of evaporated fuel from an atmospheric port of the canister, an introduction port for evaporated fuel and an atmospheric air port for the evaporated fuel are provided in a casing, and an adsorbing material layer communicates between the introduction port and the atmospheric air port. A chamber is provided between the atmospheric air port and a surface on a side of the atmospheric air port in the adsorbing material layer. A leakage preventing adsorbing material layer is arranged within the chamber so that a space layer is formed between the leakage preventing adsorbing material layer and the surface on the atmospheric air port side in the adsorbing material layer and another space layer is formed between the leakage preventing adsorbing material layer and the atmospheric air port.Type: GrantFiled: July 17, 2001Date of Patent: October 8, 2002Assignee: Aisan Kogyo Kabushiki KaishaInventors: Junya Kimoto, Tomonari Toki, Hideo Yamada
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Patent number: 6440200Abstract: An evaporated fuel discharge preventing apparatus, in order to sufficiently adsorb and collect an evaporated fuel generated in an intake air passage at a time when an engine stops, and to prevent an engine performance from being reduced by reducing an intake air resistance in an evaporated fuel adsorbing portion at a time when the engine is driven, has an adsorbing device arranged in a passage between an evaporated fuel generating portion and an air cleaner element, and, the adsorbing device is formed by an intake air passage portion laterally arranged within the device penetratingly and communicated with the passage at both ends, an adsorbent layer arranged on an outer periphery of the intake air passage portion, and a member covering an outer surface in a non-ventilating state except a side of the intake air passage portion in the adsorbent layer, and an inner diameter of the intake air passage portion of the adsorbing device is set to be substantially equal to or more than an inner diameter of the intake aType: GrantFiled: June 21, 2001Date of Patent: August 27, 2002Assignee: Aisan Kogyo Kabushiki KaishaInventors: Hitoshi Sakakibara, Tomonari Toki, Hideo Yamada
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Publication number: 20020078931Abstract: A canister, for inhibiting a diffusion phenomenon in an adsorbent layer as much as possible and certainly adsorbing fed evaporated fuel to inhibit blow-by of the evaporated fuel into the atmosphere, is constituted by filling a first adsorbent layer of the canister with activated carbon A having a large evaporated fuel adsorption and a weak holding power, and filling a second and a third adsorbent layers with activated carbon B having an intermediate evaporated fuel adsorption and a weak holding power and therefore having characteristics that the residual amount of the low boiling point components in the evaporated fuel after purge is small, whereby after the high temperature standing of the canister, the discharge of the evaporated fuel into the atmosphere can be inhibited.Type: ApplicationFiled: December 12, 2001Publication date: June 27, 2002Applicant: Aisan Kogyo Kabushiki KaishaInventors: Katsuhiko Makino, Ryuji Kosugi, Tomonari Toki
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Publication number: 20020029693Abstract: An evaporated fuel discharge preventing apparatus, in order to sufficiently adsorb and collect an evaporated fuel generated in an intake air passage at a time when an engine stops, and to prevent an engine performance from being reduced by reducing an intake air resistance in an evaporated fuel adsorbing portion at a time when the engine is driven, has an adsorbing device arranged in a passage between an evaporated fuel generating portion and an air cleaner element, and, the adsorbing device is formed by an intake air passage portion laterally arranged within the device penetratingly and communicated with the passage at both ends, an adsorbent layer arranged on an outer periphery of the intake air passage portion, and a member covering an outer surface in a non-ventilating state except a side of the intake air passage portion in the adsorbent layer, and an inner diameter of the intake air passage portion of the adsorbing device is set to be substantially equal to or more than an inner diameter of the intake aType: ApplicationFiled: June 21, 2001Publication date: March 14, 2002Inventors: Hitoshi Sakakibara, Tomonari Toki, Hideo Yamada
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Publication number: 20020020398Abstract: In a canister for a vehicle, in order to significantly reduce a leaking amount of evaporated fuel from an atmospheric port of the canister, an introduction port for evaporated fuel and an atmospheric air port for the evaporated fuel are provided in a casing, and an adsorbing material layer communicates between the introduction port and the atmospheric air port. A chamber is provided between the atmospheric air port and a surface on a side of the atmospheric air port in the adsorbing material layer. A leakage preventing adsorbing material layer is arranged within the chamber so that a space layer is formed between the leakage preventing adsorbing material layer and the surface on the atmospheric air port side in the adsorbing material layer and another space layer is formed between the leakage preventing adsorbing material layer and the atmospheric air port.Type: ApplicationFiled: July 17, 2001Publication date: February 21, 2002Applicant: AISAN KOGYO KABUSHIKI KAISHAInventors: Junya Kimoto, Tomonari Toki, Hideo Yamada