Abstract: Provided is an endoluminal device system including: an elongated and flexible endoluminal device; a wire that is disposed in the endoluminal device; a first sensor that detects tension of the wire; a second sensor that detects displacement of the wire; a driving device capable of pulling the wire; and a processor. The processor is configured to: cause the driving device to execute a relaxing operation for relaxing the wire, acquire the tension and the displacement of the wire during the relaxing operation, which are detected by the first sensor and the second sensor, respectively, and adjust a control parameter of the endoluminal device based on a rate of change in the tension with respect to the displacement.

Abstract: The air valve includes a supply valve configured to open and close an air supply passage through which the air gas to be supplied to the fuel cell stack from outside flows; a switching valve configured to switch between a state in which the air gas supplied from the outside flows through the air supply passage and a state in which the air gas supplied from the outside flows through a bypass passage that branches from the air supply passage; and a link mechanism connected to the supply valve and the switching valve and configured to actuate the supply valve and the switching valve. The link mechanism includes an arm portion fixed at the supply valve; and a cam plate fixed at the switching valve, wherein the cam plate includes a guide portion with which the arm portion is to contact.

Abstract: The air valve includes a supply valve configured to open and close an air supply passage through which the air gas to be supplied to the fuel cell stack from outside flows; a switching valve configured to switch between a state in which the air gas supplied from the outside flows through the air supply passage and a state in which the air gas supplied from the outside flows through a bypass passage that branches from the air supply passage; and a link mechanism connected to the supply valve and the switching valve and configured to actuate the supply valve and the switching valve. The link mechanism includes an arm portion fixed at the supply valve; and a cam plate fixed at the switching valve, wherein the cam plate includes a guide portion with which the arm portion is to contact.

Abstract: One aspect according to the present teachings includes a fuel vapor processing device including a housing having a first port for introduction of fuel vapor, a second port for introduction of negative pressure, and a third port communicating with an atmosphere. An adsorption material is disposed within the housing. In a desorption mode, fuel vapor desorbed by the adsorption material is desorbed from the adsorption material as air flows into the housing via the third port and flows out of the second port. A plurality of heaters are disposed within the housing and are arranged along a path of flow of air from the third port to the second port in the adsorption mode. A controller controls the heaters such that the heaters start to heat the adsorption material in order of the air flow direction from the third port to the second port. The controller preferably also terminates heating of the adsorption material in the same manner.

Abstract: An electric vacuum pump includes a rotary member including an armature and a commutator; a brush arranged to slide in contact with the commutator; a motor part provided with a rotary shaft integral with the rotary member; a pump part connected to the rotary shaft and configured to operate in sync with the motor part; and a bearing supporting the rotary shaft between the motor part and the pump part, the commutator and the brush being placed on a non-pump side opposite to a pump side on which the pump part is placed in an axial direction of the rotary shaft with respect to the armature.

Abstract: In an electric vacuum pump, a pump housing and a lower-end cover member respectively include positioning retainers respectively formed on outer peripheries of the pump housing and the lower-end cover member. A case includes positioning retainers each protruding inward from an inner peripheral surface of the case. The positioning retainers are in contact with the positioning protrusions, thereby positioning the pump housing and the lower-end cover member with respect to the case. The positioning protrusions are formed with screw holes.

Abstract: A brake system includes: a first passage connected to a negative pressure chamber of a brake booster; a second passage branching from the first passage; an electric vacuum pump in the second passage; a first check valve for preventing inflow of a fluid from the intake system to the negative pressure chamber through the second passage; and a second check valve for preventing inflow of a fluid from the intake system to the negative pressure chamber through the first passage and inflow of a fluid from the intake system and a discharge outlet of a pump part to a suction inlet in the pump through the first passage, wherein a filter is provided between a discharge outlet of the pump and the intake system.

Abstract: A negative pressure supply unit includes an electric vacuum pump including a motor part and a pump part placed in a case, and a cover member closing the case and is configured to supply negative pressure generated by the pump or in an engine intake pipe to a negative pressure chamber of a brake booster. The cover member includes: a suction passage for sucking a fluid from the negative pressure chamber into the pump part; a discharge passage for discharging the fluid ejected from the pump part to pump outside; and a branch passage branching from the suction passage to connect to an engine intake system. A first check valve provided in the discharge passage permits a fluid to flow only in a discharge direction. A second check valve provided in the branch passage permits a fluid to flow from the suction passage to the intake system.

Abstract: A failure diagnosis apparatus of brake system includes a determination unit to determine functional normality of an electric vacuum pump based on a detection result of at least one of a booster internal pressure detection unit for detecting internal pressure of a negative pressure chamber of a booster and a current value detection unit for detecting an operating electric current value of the pump and a detection result of a pipe internal pressure detection unit for detecting internal pressure of a pipe communicated with a discharge port of the pump.

Abstract: An electric vacuum pump includes: a motor part and a pump part placed in a case, and a cover member closing the case from a pump part side. The cover member includes: a suction port for sucking a fluid from pump outside into the pump part; a silencer part including a space part communicating with a discharge outlet of the pump part; and a discharge port for discharging a fluid ejected from the pump part to pump outside. The suction port has an end portion placed in sealingly contact with the pump part to hermetically communicate with a suction inlet of the pump part. The discharge port is formed with a throat part.

Abstract: An adsorbent canister has a housing defining an adsorption chamber therein, an adsorbent filled in the adsorption chamber, and a honeycomb core. The honeycomb core is made from a material having a higher thermal conductivity than the adsorbent, defines therein a plurality of cells passing through the honeycomb core and is disposed in the adsorption chamber. The adsorbent canister can further have a heater for heating the honeycomb core or the honeycomb core can be made from a material, which produce heat when current is applied.

Abstract: A separation membrane module for separating a specific component from a mixture containing a plurality of components includes a plurality of separation stages each including a plurality of hollow fiber membranes arranged in parallel to each other. The separation stages are connected in series via connection portions allowing passage of the mixture. At lease one parameter relating to separation by the hollow fiber membrane or membranes in each separation stage is determined to provide effective separation throughout the separation stages.

Abstract: An adsorbent canister has a housing defining an adsorption chamber therein, an adsorbent filled in the adsorption chamber, and a honeycomb core. The honeycomb core is made from a material having a higher thermal conductivity than the adsorbent, defines therein a plurality of cells passing through the honeycomb core and is disposed in the adsorption chamber. The adsorbent canister can further have a heater for heating the honeycomb core or the honeycomb core can be made from a material, which produce heat when current is applied.

Abstract: A fuel vapor processing apparatus may include a case defining an adsorption chamber containing adsorbent, so that fuel vapor introduced into the adsorption chamber is adsorbed by the adsorbent and fuel vapor is desorbed from the adsorbent by air flowing through the adsorption chamber. A desorption promoting unit may include a retaining frame and a desorption promoter configured to promote desorption of the fuel vapor from the adsorbent. The desorption promoter may be fitted into the retaining frame. The retaining frame may be fitted into the adsorption chamber, so that the desorption promoter does not directly contact an inner wall of the case defining the adsorption chamber.

Abstract: One aspect according to the present teachings includes a fuel vapor processing device including a housing having a first port for introduction of fuel vapor, a second port for introduction of negative pressure, and a third port communicating with an atmosphere. An adsorption material is disposed within the housing. In a desorption mode, fuel vapor desorbed by the adsorption material is desorbed from the adsorption material as air flows into the housing via the third port and flows out of the second port. A plurality of heaters are disposed within the housing and are arranged along a path of flow of air from the third port to the second port in the adsorption mode. A controller controls the heaters such that the heaters start to heat the adsorption material in order of the air flow direction from the third port to the second port. The controller preferably also terminates heating of the adsorption material in the same manner.

Abstract: An adsorbent canister has a housing defining an adsorption chamber therein, an adsorbent filled in the adsorption chamber, and a honeycomb core. The honeycomb core is made from a material having a higher thermal conductivity than the adsorbent, defines therein a plurality of cells passing through the honeycomb core and is disposed in the adsorption chamber. The adsorbent canister can further have a heater for heating the honeycomb core or the honeycomb core can be made from a material, which produce heat when current is applied.

Abstract: A separation membrane module for separating a specific component from a mixture containing a plurality of components includes a plurality of separation stages each including a plurality of hollow fiber membranes arranged in parallel to each other. The separation stages are connected in series via connection portions allowing passage of the mixture. At lease one parameter relating to separation by the hollow fiber membrane or membranes in each separation stage is determined to provide effective separation throughout the separation stages.

Abstract: A vaporized fuel treatment apparatus having comprising a first adsorbent having a honeycomb structure capable of adsorbing and desorbing vapor contained in fuel evaporation gas, a case configured to house the first adsorbent therein, and a holding device configured to elastically hold the first adsorbent within the case. The first adsorbent has a circumferential surface and at least one end surface intersecting with the circumferential surface at a corner portion. The holding device comprises a holding member having a first portion and a second portion configured to contact with the circumferential surface and the at least one end surface, respectively. The holding member does not contact with the corner portion of the first adsorbent. The vaporized fuel treatment apparatus can include a sealed container disposed in a canister for controlling temperature alteration in the canister.

Abstract: A vaporized fuel treatment apparatus having comprising a first adsorbent having a honeycomb structure capable of adsorbing and desorbing vapor contained in fuel evaporation gas, a case configured to house the first adsorbent therein, and a holding device configured to elastically hold the first adsorbent within the case. The first adsorbent has a circumferential surface and at least one end surface intersecting with the circumferential surface at a corner portion. The holding device comprises a holding member having a first portion and a second portion configured to contact with the circumferential surface and the at least one end surface, respectively. The holding member does not contact with the corner portion of the first adsorbent. The vaporized fuel treatment apparatus can include a sealed container disposed in a canister for controlling temperature alteration in the canister.