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Suefuji, JP

Kazutaka Suefuji, Tokyo JP

Patent application numberDescriptionPublished
20150337834Scroll-Type Fluid Machine - The objective of the present invention is to provide a scroll-type fluid machine for which the service life can be improved by reducing the load applied to a rotation prevention mechanism. To solve this problem, this scroll-type fluid machine is characterized by being equipped with a stationary scroll, an orbiting scroll that is provided opposing the stationary scroll and undergoes turning movement, a casing provided on the outside of the orbiting scroll, a drive shaft that drives and turns the orbiting scroll, a boss plate part that is provided separated from the orbiting scroll and is connected to the drive shaft, and multiple rotation prevention mechanisms provided between the boss plate part and the casing, and is characterized in that the boss plate part has multiple rotation-prevention-mechanism-side boss plate parts connected to the rotation prevention mechanisms, and a drive-shaft-side boss plate part connected to the drive shaft, and spaces are provided between the rotation-prevention-mechanism-side boss plate parts and the drive-shaft-side boss plate part.11-26-2015

Kazutaka Suefuji, Ebina JP

Patent application numberDescriptionPublished
20100221134SCROLL FLUID MACHINE - In a scroll air compressor as a scroll fluid machine capable of being downsized with an increased cooling effect, cooling air entering through a fixed inlet of a fixed cooling passage provided at the rear of a fixed scroll, and an orbiting inlet of an orbiting cooling passage provided at the rear of an orbiting scroll, is allowed to flow out of an fixed outlet and an orbiting outlet, respectively. Thereafter, the cooling air is guided to an outer periphery of the other end of the casing through a side duct and a guide duct, and then sucked into an inner peripheral side of a centrifugal fan to be discharged outwardly from an exhaust port provided in a fan cover.09-02-2010
20120189480Scroll Fluid Machine - A scroll fluid machine includes: a casing; a fixed scroll having an end plate, a spiral wrap part provided on the end plate, and a flange provided outside the wrap part and fitted to the casing; and an orbiting scroll having an end plate and a spiral wrap part provided on the end plate with a plurality of compression chambers formed in a space up to the wrap part of the fixed scroll, which is provided to perform an orbiting motion, wherein the flange is provided with a deformation absorbing part which absorbs deformation due to thermal expansion of the end plate. The scroll fluid machine is improved in reliability while the compression efficiency is maintained by preventing the fixed scroll and the orbiting scroll from coming into contact with each other without increasing a clearance between the wrap parts of both scrolls.07-26-2012
20140294641Scroll Fluid Machine - In a scroll air compressor as a scroll fluid machine capable of being downsized with an increased cooling effect, cooling air entering through a fixed inlet of a fixed cooling passage provided at the rear of a fixed scroll, and an orbiting inlet of an orbiting cooling passage provided at the rear of an orbiting scroll, is allowed to flow out of an fixed outlet and an orbiting outlet, respectively. Thereafter, the cooling air is guided to an outer periphery of the other end of the casing through a side duct and a guide duct, and then sucked into an inner peripheral side of a centrifugal fan to be discharged outwardly from an exhaust port provided in a fan cover.10-02-2014

Patent applications by Kazutaka Suefuji, Ebina JP

Kazutaka Suefuji, Kawasaki JP

Patent application numberDescriptionPublished
20090087331Scroll type fluid machine - This invention provides a scroll type fluid machine which can simultaneously realize the stabilization of the behavior in the rotational direction of an orbiting scroll and the reduction in the manufacturing cost by the ease of holding a grease. In the scroll type fluid machine, three pairs of rotation prevention mechanisms are provided between a casing and an orbiting scroll. The rotation prevention mechanism is constituted of first and second ball coupling mechanisms having a function different from each other. The first ball coupling mechanism supports the thrust load of the orbiting scroll. Meanwhile, the second ball coupling mechanism supports the rotation force of the orbiting scroll.04-02-2009
20100028185Scroll Fluid Machine - A scroll fluid machine comprises a fixed-side member including a cylindrical casing and a fixed scroll fixed to the casing, and an orbiting scroll and a plurality of ball coupling devices provided between the fixed-side member and the orbiting scroll to prevent self-rotation of the orbiting scroll on its axis and receive a thrust load between the fixed-side member and the orbiting scroll. Each of the ball coupling devices comprises a first ball coupling mechanism for supporting the thrust load generated between the fixed-side member and the orbiting scroll and a second ball coupling mechanism disposed with a space from the first ball coupling mechanism to prevent the self-rotation of the orbiting scroll.02-04-2010
20100166589SCROLL TYPE FLUID MACHINE - The invention reduces a centrifugal force of a orbiting scroll which acts on an auxiliary crank mechanism. A crank pin which is eccentric from a main shaft portion is formed in a drive shaft, and a main balance weight is provided in a base end side of the crank pin. The main shaft portion of the drive shaft is rotatably supported by using a main bearing, and the crank pin is attached to a orbiting bearing which is provided in a back face side of a orbiting scroll. Further, an internal gap of the main bearing is set to a value which is larger than a value obtained by subtracting the double value of an eccentric amount difference between an eccentric amount of an auxiliary crank shaft and an eccentric amount of the drive shaft from an internal gap of the orbiting bearing. Accordingly, the internal gap of the main bearing does not come to 0 even if a compressor comes to a steady state.07-01-2010

Kazutaka Suefuji, Kanagawa JP

Patent application numberDescriptionPublished
20090085312Scroll type fluid machine and air suspension apparatus using the same - A pressure keeping mechanism is provided downstream of a discharge port of a compressor. The pressure keeping mechanism is set to a small flow path area having only a bypass orifice until a pressure in a downstream pipe reaches a predetermined pressure after the operation is started, the pressure keeping mechanism is set to a large flow path area of a pressure keeping valve which is opened when the pressure exceeds the predetermined pressure and the bypass orifice, thereby changing the flow path area at least in two stages. The pressure in the upstream pipe which is almost closed by the pressure keeping valve can be thus increased at a dash and the pressure in a compression chamber can also be increased swiftly immediately after the compressor is started.04-02-2009
20090110580Scroll type fluid machine - The present invention provides a scroll type fluid machine realizing reduced attachment space in a casing and improvement in workability at the time of assembly and the like by using a plurality of ball coupling mechanisms. A plurality of ball coupling mechanisms are disposed between a casing and a rear side of an orbiting scroll. Each of the ball coupling mechanisms includes first and second thrust receivers (reception plates), a sphere, and a cylindrical ring. A thrust load to be applied to an end plate of the orbiting scroll is received between the first and second thrust receivers (reception plates) and the sphere. The cylindrical ring disposed between the first and second thrust receivers displays a so-called rotation preventing effect in such a manner that its outer peripheral surface makes a rolling contact with inner peripheral surfaces of cylindrical portions in association with an orbiting motion of the orbiting scroll.04-30-2009
20090169405Compressor - There is provided with a compressor comprising: a compressor main body in which fluid inhaled from an inhale port is compressed, and the compressed fluid is exhausted from an exhaust port; and a pressure retaining device where provided on the exhaust port side of the compressor main body, and retaining pressure on the exhaust port side, wherein the pressure retaining device comprises: a valve body communicating with the exhaust port; an urging member normally urging the valve body into a direction to be closed; and a back-pressure means where an intermediate pressure between the inhale port and the exhaust port of the compressor main body is introduced as back pressure which affects the valve body, and wherein the valve body of the pressure retaining device is openable according to difference between pressure at the exhaust port, and the intermediate pressure of the back-pressure means and force by the urging member.07-02-2009
20090246058Scroll-type fluid machine - A scroll-type fluid machine comprising: a casing; a fixed scroll; an orbiting scroll; and an auxiliary crank device in which to prevent the orbiting scroll from being rotated, wherein the auxiliary crank device comprises: a fixed-side bearing body provided on either a casing side or a fixed scroll side; an orbiting-side bearing body provided on an orbiting scroll side; and an auxiliary crank shaft in which a fixed-side shank is rotatably supported with the fixed-side bearing body, and an orbiting-side shank is rotatably supported with the orbiting-side bearing body; a tip of the fixed-side shank of the auxiliary crank shaft is fixed in a radius direction, and a tip of the orbiting-side shank of the auxiliary crank shaft is fixed in a radius direction; and a deformative portion is provided between the tip of the fixed-side shank and the tip of the orbiting-side shank of the auxiliary crank shaft.10-01-2009

Kazutaka Suefuji, Kawasaki-Shi JP

Patent application numberDescriptionPublished
20080206083Seal system and scroll type fluid machine - Durability of a seal member is improved by reducing a surface pressure thereon. A seal mechanism 08-28-2008

Kei Suefuji, Tokyo JP

Patent application numberDescriptionPublished
20110273058ROTARY TYPE VIBRATION WAVE DRIVING APPARATUS - A rotary type vibration wave driving apparatus which is capable of reducing local wear of a contacting member and of reducing performance deterioration due to long term operation is provided. The apparatus includes a electro-mechanical energy conversion element, an vibration member fixed to the electro-mechanical energy conversion element and vibrated by a voltage being supplied to the electro-mechanical energy conversion element, and a moving member being brought into contact with the vibration member and frictionally driven by the vibration, and is configured such that the moving member includes a supporting portion extended from the main body portion of the moving member, and a contacting portion extended from the supporting portion and being brought into contact with the vibration member, and such that each of the supporting portion and the contacting portion is configured to be elastically deformable in the rotation axis direction of the moving member.11-10-2011
20120146460VIBRATION-TYPE DRIVING APPARATUS - Provided is a vibration-type driving apparatus including: a vibration member to which an electrical-mechanical energy conversion element is fixed and which is vibrated when a driving voltage is applied to the electrical-mechanical energy conversion element; and a moving member that comes into contact with the vibration member and rotates relative to the vibration member in accordance with the vibration, wherein the moving member includes a body portion and a contacting portion with a friction surface coming into frictional contact with the vibration member, and wherein a line connecting a centroid in a cross-sectional shape of the moving member determined from the rotation axis direction of the rotation and the radial direction to an arbitrary point of the contacting portion of the moving member is parallel to direction of the vibration trajectory of the vibration member.06-14-2012

Masafumi Suefuji, Chiba JP

Patent application numberDescriptionPublished
20100164015SEMICONDUCTOR DEVICE - When MOS transistors having a plurality of threshold voltages in which a source and a drain form a symmetrical structure are mounted on the same substrate, electrically-symmetrical characteristics is provided with respect to an exchange of the source and the drain in each MOS transistor. A MOS transistor having a large threshold voltage is provided with a halo diffusion region, and halo implantation is not performed on a MOS transistor having a small threshold voltage.07-01-2010

Nobuyuki Suefuji, Osaka JP

Patent application numberDescriptionPublished
20120078415PARALLEL LINK ROBOT, AND METHOD OF TEACHING PARALLEL LINK ROBOT - A parallel link robot (03-29-2012

Ryotaro Suefuji, Hiratsuka-Shi JP

Patent application numberDescriptionPublished
20150211176Steel Cord and Method of Manufacturing Rubber Product - Steel cords have a stranded structure in which a plurality of sheath strands is intertwined around the outer circumferential surface of a core strand. The outer circumferential surface of the core strand is covered by a cushioning material made of nonwoven fabric or a resin film.07-30-2015
20150232276Conveyor Belt - A conveyor belt includes a core layer disposed between an upper cover rubber layer and a lower cover rubber layer. The core layer is configured from a plurality of steel cords covered by cushioning rubber and arranged in parallel. The rubber that forms the lower cover rubber layer is a low loss rubber that has a loss factor tanδ of 0.07 or less at a frequency of 10 Hz, 2% dynamic strain, and temperature of 20° C. The maximum thickness of the cushioning rubber is reduced to not more than ⅓ the nominal diameter of the steel cords.08-20-2015
20150246775Rubber-Reinforcing Steel Cord And Conveyor Belt - Provided is a rubber-reinforcing steel cord that has superior productivity and is advantageous in reducing weight and improving bending resistance, as well as a conveyor belt that uses the rubber-reinforcing steel cord. A rubber-reinforcing steel cord 09-03-2015

Shinichi Suefuji, Toyota-Shi JP

Patent application numberDescriptionPublished
20110158764METHOD FOR MANUFACTURING FRP MEMBER WITH INSERT AND FRP MEMBER WITH INSERT - Provided is a method for manufacturing an FRP member with insert which enables to reduce a machining time to improve productivity. First, a threaded hole 06-30-2011

Shinichi Suefuji, Aichi-Ken JP

Patent application numberDescriptionPublished
20110076111SCREW HOLE SEAL STRUCTURE, AND PRODUCTION METHOD FOR FIBER-REINFORCED RESIN MEMBER - A screw hole seal structure seals a screw hole (03-31-2011

Takashi Suefuji, Obu-Shi JP

Patent application numberDescriptionPublished
20130125755SEPARATION MEMBRANE MODULE AND FUEL VAPOR PROCESSING APPARATUS INCORPORATING THE SAME - One aspect of the present teachings includes a separation membrane arranged in a hollow case. A particular component concentration chamber and a particular component dilution chamber are arranged in series in the hollow case. The particular component concentration chamber is capable of increasing concentration of the particular component by allowing permeation of the particular gas through the separation membrane. The particular component dilution chamber is capable of increasing concentration of the particular component by not allowing permeation of the particular gas through the separation membrane. The particular component concentration chamber and the particular component dilution chamber are configured such that only a gas containing the particular component and permeated through the separation membrane or only a gas containing the particular component not permeated through the separation membrane in one of the chambers disposed on an upstream side (i.e., the side of the inlet port) can flow into the other of the chambers.05-23-2013

Takashi Suefuji, Tokushima-Shi, Tokushima JP

Patent application numberDescriptionPublished
20150297722PHARMACEUTICAL COMPOSITION FOR ORAL ADMINISTRATION WITH IMPROVED DISSOLUTION AND/OR ABSORPTION - This invention relates to a pharmaceutical composition for oral administration comprising 4-((1-methylpyrrol-2-yl)-carbonyl)-N-(4-(4-morpholin-1-yl-carbonylpiperidin-1-yl)-phenyl)-1-piperazinecarboxamide, a salt thereof, or a solvate thereof, as an active pharmaceutical ingredient; and at least one acid additive selected from the group consisting of adipic acid, succinic acid, fumaric acid, L-aspartic acid, and L-glutamic acid.10-22-2015

Takashi Suefuji, Toyota-Shi JP

Patent application numberDescriptionPublished
20100107877Separation membrane module and fuel vapor processing apparatus incorporating the same - One aspect of the present teachings includes a separation membrane arranged in a hollow case. A particular component concentration chamber and a particular component dilution chamber are arranged in series in the hollow case. The particular component concentration chamber is capable of increasing concentration of the particular component by allowing permeation of the particular gas through the separation membrane. The particular component dilution chamber is capable of increasing concentration of the particular component by not allowing permeation of the particular gas through the separation membrane. The particular component concentration chamber and the particular component dilution chamber are configured such that only a gas containing the particular component and permeated through the separation membrane or only a gas containing the particular component not permeated through the separation membrane in one of the chambers disposed on an upstream side (i.e., the side of the inlet port) can flow into the other of the chambers.05-06-2010
20110146491SEPARATION MEMBRANE MODULE AND FUEL VAPOR PROCESSING APPARATUS EQUIPPED WITH THE SAME - 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.06-23-2011

Yoshihiro Suefuji, Tokyo JP

Patent application numberDescriptionPublished
20110037232MECHANICAL SEAL DEVICE - The present invention provides a mechanical seal device, capable of sealing special fluid such as chemicals, easy to be mounted to a device and small in size. The mechanical seal device comprises a seal cover, a first seal ring axially-movably arranged in an inner circumference side of the seal cover, a second seal ring fixed to a rotary shaft, a spring arranged in the inner circumference side of the seal cover and pressing the first seal ring in a direction toward the second seal ring and a bellows mounted to the inner circumference side of the seal cover and axially-expandably mounted between the seal cover and the first seal ring. The spring is mounted to the seal cover along the axial direction in which the bellows is expanded and contracted.02-17-2011
20110101617Double Mechanical Seal Device - The present invention provides a cartridge type double seal having a size small enough to be mounted on the outer surface of an apparatus without using a space in a stuffing box and without requiring any special design and modification. In a seal device (05-05-2011
20120001394Mechanical Seal Device - Provided is a mechanical sealing device which is simply configured and wherein a rotation ring can be stably held in a specified axial position, and warping of the sealed surfaces can be prevented, thereby making it possible to obtain appropriate sealing characteristics. In a mechanical sealing device, a rotation ring is axially held between a rotation ring locking surface of a sleeve and a rotation ring locking surface of a collar. Furthermore, the sleeve, the rotation ring fixing collar, and the rotation ring are integrated together by means of a baffle knock pin for the rotation ring. Due to the above, whether positive pressure or negative pressure is applied, the rotation ring does not move, nor do the sealed surfaces of the rotation ring become warped. Moreover, assembly can be simply performed only by means of the knock pin.01-05-2012
20120139186Mechanical Seal Device - Provided is a small mechanical seal device which can efficiently wash a sealing surface, and can appropriately seal a sealed fluid and a quenching liquid. In a mechanical seal device (06-07-2012
20120187636Mechanical Seal Device - In order to provide a mechanical seal device, which is suitably used even under a condition that fluid pressure is frequently switched between a positive pressure and a counter pressure, a mechanical seal device comprising; a rotary ring 07-26-2012
20120248705MECHANICAL SEAL DEVICE - The object of the present invention is to provide a divisional type mechanical seal of outside type which joins the seal face in flat and strongly even in a seal ring having a different thickness in the radial direction, and to exhibit an appropriate sealing ability. In the mechanical seal device of the present invention, the circumference grooves 10-04-2012
20150159759DOUBLE MECHANICAL SEAL DEVICE - A double mechanical seal device, comprising a rotating ring, a first static ring, a second static ring, and a seal cover. A first bellows seal device is provided between the first static ring and the seal cover, and the first bellows seal device comprises a first bellows part capable of expanding and contracting in an axial direction, a first cover-side adapter, and a first static ring-side adapter. The first bellows seal device and the first static ring are disposed so that in a state where there is no pressure difference between the inside and outside of the first bellows part, a balance line of the first bellows part passes through a cross section of an O ring and a first static seal surface.06-11-2015

Patent applications by Yoshihiro Suefuji, Tokyo JP

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