摘要:
There is provided a grasp member joined to the top portion of an image pickup apparatus body including a lens barrel unit at the front end and a display unit at the rear end through leg portions. Here, the front one of the leg portions is joined to the image pickup apparatus body at an offset position to the left from an optical axis of light incident on the lens barrel unit.
摘要:
An improved scroll type compressor is disclosed. A moveable scroll is eccentrically connected to a rotary shaft and opposed to a fixed scroll for forming a compression chamber. The moveable scroll performs an orbital movement about an axis of the rotary shaft without rotating about its own axis. With the orbital movement, the moveable scroll reduces the volume of the compression chamber and compresses coolant gas therein. A fixed wall is disposed adjacent to the moveable scroll on the opposite side from the fixed scroll. The fixed wall receives a reaction force of the compressed gas applied to the moveable scroll. First elements disposed between the fixed wall and the moveable scroll transmit the reaction force from the moveable scroll to the fixed wall. Second elements are disposed independently from the first elements between the fixed wall and the moveable scroll for determining the orbit of the moveable scroll.
摘要:
A mechanism for allowing the orbital movement of an orbiting scroll with respect to a fixed scroll in a scroll type compressor which prevents the orbiting scroll from rotating around its own axis is disclosed. The orbiting scroll is eccentrically attached to a rotary shaft supported by a housing that encases the fixed and orbiting scrolls. A compression chamber is defined by the interfitting between the orbiting scroll and the fixed scroll. During the course of the orbiting scroll's rotation around the center axis line of a rotary shaft, the volume of a compression chamber decreases as the rotation progresses. Refrigerant gas in the compression chamber is compressed in this manner as the constant volume of gas within the compression chamber decreases in size according to the progression of the rotating spiral member. A balancing weight disposed on the eccentric shaft compensates for dynamic unbalancing generated as the orbiting scroll makes an orbital movement due to the rotation of the rotary shaft. This balancing weight engages a bushing which supports the orbiting scroll. A mechanism for automatically adjusting the radius of the orbital movement is disposed between the rotary shaft and the balancing weight. A spring for restricting the shifting on the eccentric shaft of both the weight and the bushing in the thrust direction is disposed between the weight and the bushing.
摘要:
A variable displacement refrigerant compressor of the variable angle wobble or swash plate type is disclosed. The compressor according to the invention has a displacement control valve which is operable in response to the evaporator pressure so as to restrict the drop thereof by throttling the refrigerant gas flowing through a control port disposed between the evaporator and suction chamber. Crankcase of the compressor is arranged for direct communication with the evaporator so as to keep the crankcase under a pressure which is substantially the same as the evaporator pressure.
摘要:
A variable-delivery refrigerant compressor wherein the delivery of a compressed refrigerant is adjustable by an actuator which is movable with a discharge pressure of the compressor between a first position at which plural discharge valves corresponding to compression chambers are rendered operative, and a second position at which at least one of the discharge valves is rendered inoperative. A pilot switch valve is disposed in a passage through which the discharge pressure is applied to the actuator. The switch valve controls a supply of refrigerant of the discharge pressure to the actuator such that the actuator is placed in the first position while a suction pressure of the compressor is relatively high, and in the second position while the suction pressure is relatively low.
摘要:
There is provided a grasp member joined to the top portion of an image pickup apparatus body including a lens barrel unit at the front end and a display unit at the rear end through leg portions. Here, the front one of the leg portions is joined to the image pickup apparatus body at an offset position to the left from an optical axis of light incident on the lens barrel unit.
摘要:
The present invention provides a process for producing oxazopyrroloquinolines which comprises culturing microorganisms to produce pyrroloquinolinequinone and adding .alpha.-amino acids or monomethylamine to the resulting culture broth which contains the pyrroloquinolinequinone and from which cells of microorganisms are not separated, thereby to convert the pyrroloquinolinequinone to the corresponding oxazopyrroloquinolines.The thus obtained oxazopyrroloquinolines include novel compounds.The present invention further provides aldose reductase inhibitors, diabetic combined disease curing agents, immunopotentiating agents and liver disease inhibiting agents which contain as active ingredient these oxazopyrroloquinolines having excellent physiological activity.
摘要:
A closed refrigerating circuit for car air conditioning includes a compressor, a condenser, a refrigerant receiver, an expansion valve, and an evaporator. The expansion valve is provided with a constant pressure controlling mechanism for maintaining a pressure in the evaporator at a constant value. The compressor is provided with a continuously variable displacement mechanism for maintaining a superheating temperature of suction refrigerant at a constant value.
摘要:
A large number of luminous display elements are arrayed on a board, and the quantity of light emitted by each display element is controlled in accordance with a video signal generated by a video signal generator. Each display element is constituted by a discharge lamp and a high frequency generator lighting the same.
摘要:
A plate positioning apparatus which determines the position of a plate workpiece for a processing machine by an aligning member which moves in the X-axis direction and an aligning member which moves in the Y-axis direction. The Y-axis aligning member is provided with a movable retainer which retracts toward the Y-axis side when it comes in contact with the X-axis side aligning member and comprises a base part and an extension member which is remountable on the base part. The aligning member for the X-axis is provided on its upper surface with at least one aligning bar which contacts the plate workpiece. The aligning members for both directions of X and Y axes are adapted to be guided by the base frame and their moving strokes are controlled by position detecting switches provided in the base frame, the base frame being closed at its upper side by the cover plate. The respective slits along which the aligning members move are covered with respective movable dust-proof belts.