Patents Assigned to Sanden Corporation
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Patent number: 7255543Abstract: A scroll compressor has a housing, in which are provided fixed and movable scrolls for cooperatively compressing working fluid containing lubricating oil, an oil chamber storing the oil separated from the fluid, and a drive chamber in which a revolving unit for revolving the movable scroll is arranged. The fixed scroll has a communication passage for supplying the stored oil to the drive chamber. The passage has an oil outlet opening in a drive chamber-side end face of the fixed scroll and located in a position which is periodically covered with a base plate of the movable scroll when the movable scroll revolves. A cut is formed in the base plate of the movable scroll and prolongs a time period over which the outlet is opened. The compressor is suited for use in a refrigeration circuit of an air-conditioning system for a vehicle.Type: GrantFiled: June 8, 2005Date of Patent: August 14, 2007Assignee: Sanden CorporationInventor: Hiroyuki Yokoyama
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Publication number: 20070169640Abstract: The invention provides a beverage extractor permitting extraction of a beverage of high quality irrespective of its type. The extractor is provided with a first extraction channel for letting the beverage extracted in a cylinder flow into the extraction pipe via beverage outlet holes of a second piston having a prescribed first bore and a second extraction channel via a communication hole having a prescribed second bore, which is smaller in bore than the outlet holes, for letting the beverage extracted in the cylinder flow into the extraction pipe, and the first and second extraction channels are switched over between each other by the movement of the second piston. This makes it possible to select an extraction channel suitable for the type of beverage, whether regular coffee or espresso coffee, and accordingly to extract a beverage of high quality irrespective of the type of beverage.Type: ApplicationFiled: January 18, 2007Publication date: July 26, 2007Applicant: SANDEN CORPORATIONInventors: Takeshi Sato, Takashi Nagasawa, Takeshi Onda
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Patent number: 7238011Abstract: A scroll compressor has a fixed scroll including a fixed spiral wall and a movable scroll including a movable spiral wall. Inner end portions of the fixed and movable spiral walls each have an arc-like shape. The inner end portion of the fixed spiral wall has smaller width than the inner end portion of the movable spiral wall does.Type: GrantFiled: March 15, 2006Date of Patent: July 3, 2007Assignee: Sanden CorporationInventor: Shinichi Ohtake
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Publication number: 20070144120Abstract: An air-conditioning system for a vehicle includes a clogging detection device for detecting clogging of a filter. The clogging detection device detects clogging of the filter only when a face damper for opening and closing a face air duct provided with movable louvers is in the closed position.Type: ApplicationFiled: December 22, 2006Publication date: June 28, 2007Applicant: Sanden CorporationInventors: Masatoshi Kawasaki, Toshimi Isobe, Shinya Takahashi
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Publication number: 20070144206Abstract: A pressure reducer module includes an oil separator configured to receive a lubricant and a refrigerant and to separate the lubricant from the refrigerant. The pressure reducer module also includes a pressure reducer connected to and formed integral with the oil separator. The pressure reducer is configured to receive the refrigerant from the oil separator and to reduce a pressure of the refrigerant.Type: ApplicationFiled: December 22, 2006Publication date: June 28, 2007Applicant: SANDEN CORPORATIONInventors: Masato Tsuboi, Kenichi Suzuki, Yuuichi Matsumoto
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Publication number: 20070146148Abstract: An airflow filter device is employed, for example, in an air-conditioning system for a vehicle and an air-conditioning system for a construction machine. The filter device has a filter for purifying an airflow, an ammeter for detecting clogging in the filter, a filter cleaning warning light that provides a warning to clean the filter when the number of times of clogging in the filter, which is detected by the ammeter, is equal to or less than a threshold value, and a filter replacement warning light that provides a warning to replace the filter when the number of times of clogging exceeds the threshold value.Type: ApplicationFiled: December 22, 2006Publication date: June 28, 2007Applicant: Sanden CorporationInventors: Masatoshi Kawasaki, Toshimi Isobe, Shinya Takahashi
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Publication number: 20070144201Abstract: An air conditioning system for a vehicle includes a first refrigeration cycle, an expander, and a second refrigeration cycle. The first refrigeration cycle includes a first compressor, a first radiator, a first pressure reducer, an evaporator, and a gas/liquid separator. The expander is disposed on a first fluid communication path between the first radiator and the first pressure reducer. The second refrigeration cycle, which is provided as a cascade cycle, includes a second compressor powered by energy harnessed from adiabatic expansion of the refrigerant at the expander, thereby obviating the need for an additional power source for the second refrigeration cycle. A heat exchanger further is provided on a second fluid communication path in the second refrigeration cycle. The heat exchanger is configured to provide a heat exchange between refrigerant disposed within each of the respective first and second fluid communication paths.Type: ApplicationFiled: December 26, 2006Publication date: June 28, 2007Applicant: SANDEN CORPORATIONInventors: Yuuichi Matsumoto, Masato Tsuboi, Kenichi Suzuki
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Publication number: 20070138266Abstract: A pair of engagement members to be detachably engaged with a bill recognition device is provided on a unit body of a reader-writer unit, and the bill recognition device is attached to the unit body by engagement with the engagement members. Therefore, the bill recognition device can be attached/detached without using any screws. For example, when the bill recognition device is replaced, operations for detaching and attaching the bill recognition device can be performed advantageously easily. In the replacement process, the bill recognition device can be attached or detached while the unit body is in the state of being mounted on an outer door. Thus, the drawback of the unit body being dismounted from the outer door when the screws are removed as in the conventional art is eliminated and the attachment/detachment operations are not complicated.Type: ApplicationFiled: December 18, 2006Publication date: June 21, 2007Applicant: Sanden CorporationInventors: Tomonobu Kameda, Naoto Matsumoto, Yasunari Nakajima
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Patent number: 7232294Abstract: In a compressor having a discharge valve mechanism, a valve retainer has a curved surface which is faced to and spaced from a movable portion of a flexible plate-like discharge valve and adapted to limit the movement of the movable portion. In a first direction parallel to the valve plate, the movable portion extends from a fixed portion, fixed to a valve plate, to face an exit end of a discharge hole of the valve plate. The curved surface has a plurality of parts different in radius of curvature from one another in a second direction parallel to the valve plate and perpendicular to the first direction.Type: GrantFiled: November 26, 2003Date of Patent: June 19, 2007Assignee: Sanden CorporationInventors: Shigemi Shimizu, Shinji Nakamura, Takahiro Ito
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Publication number: 20070131763Abstract: A vending machine which can match the personal preference of the prospective purchaser, enhance motivation to purchase and display information with a high advertising effect. A display drive unit drives a display in accordance with image data, character data and control signals from a control unit to output images, and an audio output unit performs audio outputting by driving loudspeakers in accordance with audio data and control signals from the control unit. An IC chip reader reads IC chip information stored in an IC chip and delivers it to the control unit. A modem receives data from outside in accordance with control signals from the control unit, and delivers them to the control unit. A storage device stores a plurality of sets of component data, and stores data received by the modem in accordance with control signals from the control unit or delivers to the control unit data it stores.Type: ApplicationFiled: February 6, 2007Publication date: June 14, 2007Applicant: Sanden CorporationInventor: Masaaki Sato
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Publication number: 20070130989Abstract: A vapor compression refrigerating system includes a compressor configured to compress a refrigerant, and a radiator connected to the compressor, in which the radiator is configured to receive the refrigerant from the compressor and to reduce a temperature of the refrigerant. The system also includes a pressure reducing mechanism connected to the radiator, and the pressure reducing mechanism is configured to receive the refrigerant from the radiator and to reduce a pressure of the refrigerant. The system also includes a separator connected to the pressure reducing mechanism and to the compressor, a pump connected to the separator, and an evaporator connected to the pump and to the separator. The separator is configured to receive the refrigerant from the pressure reducing mechanism, to separate a liquid portion of the refrigerant from a gas portion of the refrigerant, and to transmit the gas portion to the compressor.Type: ApplicationFiled: December 13, 2006Publication date: June 14, 2007Applicant: SANDEN CORPORATIONInventors: Masato Tsuboi, Kenichi Suzuki, Yuuichi Matsumoto
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Publication number: 20070130988Abstract: A vapor compression refrigerating system includes a compressor, a radiator connected to the compressor via a first tube, a first pressure reducing mechanism connected to the radiator via a second tube, and a separator connected to the first pressure reducing mechanism via a third tube and the compressor via a fourth tube. The separator includes an oil separator which is configured to separate an oil from the refrigerant, and a liquid and gas separator formed integral with the oil separator. The liquid and gas separator is configured to separate a liquid portion and a gas portion from the refrigerant, and the separator is further configured to transmit the oil and the gas portion to the compressor via the fourth tube. The system also includes a second pressure reducing mechanism connected to the separator via a fifth tube, and an evaporator connected to the second pressure reducing mechanism via a sixth tube and operationally coupled to the compressor via a seventh tube.Type: ApplicationFiled: December 12, 2006Publication date: June 14, 2007Applicant: SANDEN CORPORATIONInventors: Yuuichi Matsumoto, Masato Tsuboi, Kenichi Suzuki
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Publication number: 20070129265Abstract: By supplying DC to electrodes (142a and 142b), chlorine-ion containing water is electrolyzed and acid water and alkali water are generated. Mineral eluted substances (141) react with the acid water to elute mineral components. Moreover, by electrolyzing the chlorine-ion containing water, the hypochlorous concentration of the chlorine-ion containing water increases. Mineral water is led into a cold water storage tank (4). Thereby, mineral water is supplied from the cold water storage tank (4) and moreover, breeding of bacteria is restrained in the cold water storage tank (4).Type: ApplicationFiled: June 18, 2004Publication date: June 7, 2007Applicant: SANDEN CORPORATIONInventors: Miwako Ito, Kazushige Watanabe
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Patent number: 7228536Abstract: The present invention provides a vending machine control program rewriting system that facilitates the rewriting of a control program in the vending machine. The vending machine comprises a communication controller which receives a new control program sent from a host computer 200 at a remote location. The memory storing the control program is a rewritable memory. The current control program in the rewritable memory is easily rewritten to the new one of the control program sent from the host computer. The control program rewrite is readily performed, making it possible to greatly reduce the time and trouble required for updating the control program in the vending machine.Type: GrantFiled: December 15, 2000Date of Patent: June 5, 2007Assignee: Sanden, CorporationInventor: Naoto Matsumoto
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Patent number: 7217109Abstract: Rotation interception mechanisms (10) are mounted to intervene between a drive casing (22) and a substrate (60) of a movable scroll (54), and include a binding member (11) for binding rotation of the movable scroll, a fixed side pin (14) provided with protrusion in the drive casing to get engaged with the binding member, and a swivel side pin (15) provided with protrusion in the movable scroll to get engaged with the binding member for being restrained by the binding member and swiveling around a shaft center of the fixed side pin; and load alleviation means (54h) alleviates a load onto the fixed side pin and the swivel side pin caused by the torque due to the distance between the gravity center (O) and the rotation center (OR) of the movable scroll and the centrifugal force.Type: GrantFiled: January 11, 2006Date of Patent: May 15, 2007Assignee: Sanden CorporationInventor: Yuji Takei
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Patent number: 7216014Abstract: The invention provides a paper money discriminating device which is simplified in structure and can be manufactured less expensively and therefore can contribute to cost reduction and productivity improvement. Thus, a first detecting member and a second detecting member are released from contact with each other, the second detecting member performs a prescribed action and the action of the second detecting member is detected by a detector when a paper money accommodating unit is taken off a discriminating device body, when an openable member is opened, or when paper money accommodated in the paper money accommodating unit has reached or surpassed a prescribed quantity, a state in which the paper money accommodating unit is taken off, a state in which the openable member is opened and a state in which paper money accommodated in the paper money accommodating unit has reached or surpassed the prescribed quantity can be detected by a single detector.Type: GrantFiled: May 21, 2004Date of Patent: May 8, 2007Assignee: Sanden CorporationInventor: Koji Iwai
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Patent number: 7214043Abstract: A scroll type hydraulic machine is provided with a scroll unit received in a housing, and a thrust bearing arranged between a movable scroll of the scroll unit and a support surface of the housing and receiving a thrust load of the movable scroll, and the thrust bearing includes a plurality of circular retention holes formed in the support surface, and sliding discs rotatably fitted into these retention holes and sliding with respect to both inner surfaces of the retention holes and the movable scroll.Type: GrantFiled: March 31, 2005Date of Patent: May 8, 2007Assignee: Sanden CorporationInventors: Kou Tsukamoto, Yuji Takei, Kohzou Kakehi, Takeshi Nakagawa
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Publication number: 20070089599Abstract: A swash plate compressor is provided with first conducting means conductive to a shoe of a piston and second conducting means conductive to a swash plate, a voltage with a predetermined intensity is applied from the outside to each of the shoes and the swash plate by a voltage application circuit, and a voltage value of the voltage application circuit is measured by a voltage measuring instrument so that a failure in oil film formation between the shoe and the swash plate can be detected. Thus, there is no need to install precision equipment such as a sensor, a camera or a transmitter inside the compressor body, and the failure in oil film formation can be detected more surely with a simple structure.Type: ApplicationFiled: October 24, 2006Publication date: April 26, 2007Applicants: SANDEN CORPORATION, SHIZUOKA UNIVERSITYInventors: Mitsuhiro Fukuda, Tadashi Yanagisawa, Hisashi Suzuki
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Publication number: 20070084771Abstract: An apparatus for supplying drinking water has a construction such that a first branch pipe (P2) and a second branch pipe (P3) are connected to a water supply pipe (P1) in which tap water flows, a cold water generating tank (3) is provided in the first branch pipe (P2), and the second branch pipe (P3) is provided with an ion exchange device (4) and a hot water generating tank (5). When the tap water is allowed to flow in the first branch pipe (P2), cold water is generated in the cold water generating tank (3). Also, when the tap water is allowed to flow in the second branch pipe (P3), the tap water is softened by the ion exchange device (4), and is further heated in the hot water generating tank (5). Therefore, not only cold water can be supplied but also hot water from which mineral components are removed can be supplied.Type: ApplicationFiled: November 12, 2004Publication date: April 19, 2007Applicant: SANDEN CORPORATIONInventors: Kazushige Watanabe, Miwako Ito
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Publication number: 20070075006Abstract: An apparatus for supplying drinking water comprising a container (1) in which drinking water such as natural water or tap water is accommodated and which is arranged detachably; a water cooler (22) which cools drinking water supplied from the container (1); a sterilizer (5) which is installed in the water cooler (22) and sterilizes drinking water in the water cooler (22); a cold water valve (23) which controls supplying operation and stopping operation for drinking water in the water cooler (22); and a container detector (4) which detects whether or not the container (1) has been detached, wherein, after the container detector (4) has detected a state in which the container (1) has been detached, drives the sterilizer (5) for a predetermined period. This enables bacteria having invaded into the container (1) to be killed in a well-timed way.Type: ApplicationFiled: October 15, 2004Publication date: April 5, 2007Applicant: Sanden CorporationInventors: Kazushige Watanabe, Motoharu Sato, Miwako Ito