Abstract: A compressor has a compression unit for compressing gas to a desired pressure, a drive shaft and a balancer. The drive shaft is connected to the compression unit for driving the compression unit. Imbalance on the drive shaft is generated due to movement of the compression unit. The balancer is mounted on the drive shaft and includes a main portion and adjustable portion for correcting the imbalance on the drive shaft. Preferably, at least one of the weight and the shape of the adjustable portion is adjustable.

Abstract: A compressor has a compression unit for compressing gas to a desired pressure, a drive shaft and a balancer. The drive shaft is connected to the compression unit for driving the compression unit. Imbalance on the drive shaft is generated due to movement of the compression unit. The balancer is mounted on the drive shaft and includes a main portion and adjustable portion for correcting the imbalance on the drive shaft. Preferably, at least one of the weight and the shape of the adjustable portion is adjustable.

Abstract: A compressor has a compression unit for compressing gas to a desired pressure, a drive shaft and a balancer. The drive shaft is connected to the compression unit for driving the compression unit. Imbalance on the drive shaft is generated due to movement of the compression unit. The balancer is mounted on the drive shaft and includes a main portion and adjustable portion for correcting the imbalance on the drive shaft. Preferably, at least one of the weight and the shape of the adjustable portion is adjustable.

Abstract: An organic electroluminescent element including an organic luminescent material having electroluminescent characteristics and which suppresses generation of ultraviolet light. The organic luminescent material is made only of a material that emits light having a wavelength of no less than 380 nm and no more than 800 nm.

Abstract: An air supply system for a fuel cell is disclosed, in which a compression chamber (17) of an air supply mechanism (GS) is adapted to supply air to a fuel cell (FC). A liquefaction unit (14) acting as a water supply mechanism (WS) supplies water to the air supply mechanism (GS) to seal and cool the compression chamber (17). The liquefaction chamber (14) separates water from the exhaust gas discharged from the fuel cell (FC) and supplies the water to the air supply mechanism (GS). The air supply mechanism (GS) and the liquefaction unit (14) are integrated with each other.

Abstract: A compressor has a compression unit, a drive motor, a motor housing and an outer cylinder. The compression unit compresses fluid. The drive motor drives the compression unit. The motor housing surrounds the drive motor. The outer cylinder is mounted on an outer circumferential side of the motor housing for defining a cooling jacket between the outer cylinder and the motor housing for cooling the drive motor by a fluid flowing in the cooling jacket. The outer cylinder is indirectly fixed to the motor housing by press-fitting.

Abstract: A scroll type compressor includes a housing, a fixed scroll member, a movable scroll member, a discharge port, a cooling chamber and a gas cooler. The fixed scroll member is fixed to the housing. The movable scroll member is accommodated in the housing and defining a compression region with the fixed scroll member where gas is compressed by orbiting the movable scroll member relative to the fixed scroll member. The compressed gas is discharged from the compression region through the discharge port. The cooling chamber for cooling the compressed gas is disposed in the vicinity of the compression region in the housing. The gas cooler for passing the gas discharged from the discharge port extends along the cooling chamber.

Abstract: A scroll type compressor has a housing, a drive shaft, a fixed scroll member, a movable scroll member, a suction port and a discharge port. The drive shaft is rotatably supported by the housing. The fixed scroll member is fixed to the housing. The movable scroll member is accommodated in the housing, and the faces the fixed scroll member. The housing and the fixed scroll member define a cooling region. The fixed scroll member and the movable scroll member define a compression region. The suction port introduces gas into the compressor. The discharge port discharges the gas. Heat resistant means is disposed at least between the cooling region and the compression region. Heat resistance of the heat resistant means adjacent to the outermost compression region is greater than that of the heat resistant means adjacent to the innermost compression region.

Abstract: A compressor has a compression unit, a drive motor, a motor housing and an outer cylinder. The compression unit compresses fluid. The drive motor drives the compression unit. The motor housing surrounds the drive motor. The outer cylinder is mounted on an outer circumferential side of the motor housing for defining a cooling jacket between the outer cylinder and the motor housing for cooling the drive motor by a refrigerant flowing in the cooling jacket. The outer cylinder is directly or indirectly fixed to the motor housing by fastening a plurality of bolts or by press-fitting.

Abstract: A compressor has a compression unit for compressing gas to a desired pressure, a drive shaft and a balancer. The drive shaft is connected to the compression unit for driving the compression unit. Imbalance on the drive shaft is generated due to movement of the compression unit. The balancer is mounted on the drive shaft and includes a main portion and adjustable portion for correcting the imbalance on the drive shaft. Preferably, at least one of the weight and the shape of the adjustable portion is adjustable.

Abstract: A compression regenerative machine for a fuel cell according to the present invention comprises a displacement type compression mechanism portion C connected to an oxygen-containing gas supply side of a fuel cell F, and a displacement type regenerative mechanism portion E connected to an exhaust discharge side of the fuel cell F. A confined compression chamber 14 defined by the compression mechanism portion C and a confined regenerative chamber 24 defined by the regenerative mechanism portion E have a capacity ratio of 1.25 to 3.

Abstract: The scroll-type compressor with an integrated motor of the present invention comprises a housing 1, a fixed scroll 21 fixed to the housing 1, a movable scroll 31 installed eccentrically to the fixed scroll 21, and a motor portion 5, and is characterized in that the housing 1 comprises a high pressure chamber 25 to which compressed gases are supplied, a first cooling chamber 26′ installed contiguous to the high pressure chamber 25 and to which cooling fluid is supplied, a second cooling chamber 42 which cools the motor portion 5 and is supplied with the cooling fluid, and a fluid passage 7 that connects the first cooling chamber 26′ and the second cooling chamber 42 and passes the cooling fluid in the direction from the first cooling chamber 26′ to the second cooling chamber 42.

Abstract: A scroll type compressor has a housing, a drive shaft, a fixed scroll member, a movable scroll member, a suction port and a discharge port. The drive shaft is rotatably supported by the housing. The fixed scroll member is fixed to the housing. The movable scroll member is accommodated in the housing, and the faces the fixed scroll member. The housing and the fixed scroll member define a cooling region. The fixed scroll member and the movable scroll member define a compression region. The suction port introduces gas into the compressor. The discharge port discharges the gas. Heat resistant means is disposed at least between the cooling region and the compression region. Heat resistance of the heat resistant means adjacent to the outermost compression region is greater than that of the heat resistant means adjacent to the innermost compression region.

Abstract: A scroll type compressor includes a housing, a fixed scroll member, a movable scroll member, a discharge port, a cooling chamber and a gas cooler. The fixed scroll member is fixed to the housing. The movable scroll member is accommodated in the housing and defining a compression region with the fixed scroll member where gas is compressed by orbiting the movable scroll member relative to the fixed scroll member. The compressed gas is discharged from the compression region through the discharge port. The cooling chamber for cooling the compressed gas is disposed in the vicinity of the compression region in the housing. The gas cooler for passing the gas discharged from the discharge port extends along the cooling chamber.

Abstract: A compressor and regenerator for a fuel cell according to the present invention comprises a compression mechanism portion C having a compression chamber 14 for pressurizing an oxygen-containing gas to a high pressure to supply air to a fuel cell F, and a regenerative mechanism portion E having a regenerative chamber 24 so constituted as to be operated with the compression mechanism portion C by the same motor M and assisting the motor M using an exhaust gas G exhausted from the fuel cell F. The compression chamber 14 of the compression mechanism portion C and the regenerative chamber 24 of the regenerative mechanism portion E are adjacent to each other. A seal ring grove 80 is defined in a ring-like zone 54b of a center housing 20, and a seal ring 81 is fitted in the seal ring groove 80.

Abstract: A scroll-type compressor 1 of the present invention comprises a fixed scroll 30, a movable scroll 51 which orbits so that it slides along the fixed scroll 30, draws, and compresses gas, and a housing 3 which includes a discharge port 6 from which the gas compressed by the movable scroll 51 is discharged; wherein a cooling fin 35, which directly contacts at least a part of the compressed gas, receives heat from the compressed gas, and reduces the temperature of the compressed gas, is included inside the discharge port 6. In the scroll-type compressor in the present invention the cooling fin is provided in the discharge port. When the cooling fin is provided in the discharge port, and not around the discharge port, the discharge gas of high temperature directly contacts the cooling fin, so that the cooling efficiency of the compressor is improved.

Abstract: The scroll-type compressor with an integrated motor of the present invention comprises a housing 1, a fixed scroll 21 fixed to the housing 1, a movable scroll 31 installed eccentrically to the fixed scroll 21, and a motor portion 5, and is characterized in that the housing 1 comprises a high pressure chamber 25 to which compressed gases are supplied, a first cooling chamber 26′ installed contiguous to the high pressure chamber 25 and to which cooling fluid is supplied, a second cooling chamber 42 which cools the motor portion 5 and is supplied with the cooling fluid, and a fluid passage 7 that connects the first cooling chamber 26′ and the second cooling chamber 42 and passes the cooling fluid in the direction from the first cooling chamber 26′ to the second cooling chamber 42.

Abstract: A fuel cell system including a fuel cell having an air feeding tube, an air discharging tube and a fuel feeding tube, the air discharged from the fuel cell through the air discharging tube containing water. The system also includes a compressor, a water separation tank, and a water supply passage for supplying water collected in the water separation tank to the compressor. When the system is to be stopped, the water supply passage is first blocked while the compressor is operating. The humidity or the temperature of the process air is then detected, and the compressor is stopped when the detected humidity is lower than a predetermined value, or when the detected temperature is higher than a predetermined value.

Abstract: A fuel cell system includes a fuel cell, a motor, a scroll type compressor connected to the air feeding pipe of the fuel cell and a scroll type regenerator connected to the air exhaust pipe of the fuel cell. The compressor and the regenerator share a movable scroll which is operatively coupled to the motor output shaft. The movable scroll has a common base plate, a first scrolling wall arranged on one side of the common base plate to engage with a scrolling wall of a stationary scroll of the compressor, and a second scrolling wall arranged on the other side of the common base plate to engage with a scrolling wall of a stationary scroll of the regenerator. This arrangement simplifies the structure and facilitates power assistance to the compressor.

Abstract: An air supply system for a fuel cell is disclosed, in which a compression chamber (17) of an air supply mechanism (GS) is adapted to supply air to a fuel cell (FC). A liquefaction unit (14) acting as a water supply mechanism (WS) supplies water to the air supply mechanism (GS) to seal and cool the compression chamber (17). The liquefaction chamber (14) separates water from the exhaust gas discharged from the fuel cell (FC) and supplies the water to the air supply mechanism (GS). The air supply mechanism (GS) and the liquefaction unit (14) are integrated with each other.