摘要:
In a scroll compressor for compressing gas by the relative orbital movement between first and second scrolls which combined with each other to form a compression chamber therebetween and a super-charging tube is connected to an intake port formed in the first scroll. The volume of the gas to be compressed is controlled by changing the length of the super-discharging tube.
摘要:
In a scroll type compressor, the shaft of a driven scroll is rotatably supported in a sealing container so that the axis of rotation of the driven scroll shaft is deviated from the axis of rotation of a driving scroll; the wrap plates of the driving and driven scrolls are mutually combined with each other so that the parts of the side surface of the wrap plates come in contact with each other to form a compression chamber; and the driven scroll is directly driven by the driving scroll in synchronism therewith, whereby the function of compression of a fluid is obtainable during the movement of the compression chamber toward the centers of the driving and driven scrolls.
摘要:
A scroll-type apparatus having a main journal bearing which journals the drive shaft of the apparatus and is capable of pivoting by small angles with two degrees of freedom. The main journal bearing comprises three or more arcuate pads whose inner surfaces journal the drive shaft and which are pivotably supported by a stationary main bearing housing. In a preferred embodiment, each of the pads has a spherical protrusion and two rotation-preventing pins secured to its back surface. The protrusions contact the inner surface of the main bearing housing and pivotably support the pads, while the rotation-preventing pins are inserted into grooves formed on the inner surface of the main bearing housing. When a load is applied to the drive shaft causing it to tilt, the pads of the main journal bearing can tilt along with the drive shaft by pivoting about the points of contact between the spherical protrusions and the inner surface of the main bearing housing, thereby preventing edge loading of the main journal bearing.
摘要:
A scroll type fluid transferring machine for sucking, compressing and discharging a fluid comprises a first scroll having a first wrap plate, a second scroll having a second wrap plate which is opposed to and combined with the first scroll, a first motor having a rotary shaft which is connected to the first scroll so as to be in agreement with its center of rotation, and a second motor having a rotary shaft which is connected to the second scroll so as to be in agreement with its center of rotation.
摘要:
An upper housing for rotatably supporting a driving scroll in a sealing container is provided with an annular chamber to be maintained at the atmospheric pressure. The annular chamber is communicated with a compression chamber formed between the driving and driven scrolls through a discharge conduit which is formed in the driving shaft of the driving scroll. The annular chamber is communicated with the inside of the container through a throttling path. An oil stored in the lower part of the container is induced with the compression chamber during the revolution of the both scrolls to be introduced into the annular chamber. Owing to the throttling path, the oil is stored in the annular chamber to separate the inside of the container and the annular chamber kept at the atmospheric pressure.
摘要:
A scroll type hydraulic machine having an improved thrust bearing structure, whereby the thrust bearing is capable of tilting radially and peripherally. The thrust bearing is preferably composed of at least three sectors, and an anti-rotation member is provided between adjacent ones of the sectors. A bearing support is provided, a portion of which has the form of a ball. The thrust bearing is surrounded by an annular portion whose height is substantially the same as that of the thrust bearing.
摘要:
A refrigerating cycle apparatus of an improved operating efficiency, which is constructed, in combination, with: a refrigerant circuit including an evaporator, a compressor, a condenser, a first throttle, an economizer for separating the refrigerant into a gas phase and a liquid phase, and a second throttle, all these component elements being interconnected in the order as mentioned; and a piping for the economizer, which connects the gas phase portion of the economizer and an intermediate pressure region of the compressor, wherein the length of the economizer is set in such a value that is greater than the values to be determined from a Mollier's diagram on the basis of the operating conditions for the refrigerating cycle apparatus for the increase in the cooling or warming capability as well as the increase in the coefficient of performance.
摘要:
In a scroll compressor for compressing gas by the relative orbital movement between first and second scrolls which combined with each other to form a compresson chamber therebetween and a super-charging tube is connected to an intake port formed in the first scroll. The volume of the gas to be compressed is controlled by changing the length of the super-discharging tube.
摘要:
A scroll compressor comprises a driving scroll, a driven scroll combined with the driving scroll to be driven by the same through the mutual contact of the wrap plates of the both scrolls, a movable bearing support held in a sealing container so as to be movable in the axial and radial directions of the container. The movable bearing support supports the driven scroll so that the driven scroll is pushed in the radial direction of the container, whereby gaps formed between the wrap plates of the driving and driven scrolls can be avoided.
摘要:
A scroll compressor comprising a driving scroll and a driven scroll which is combined with the driving scroll and is driven by the driving scroll through an Oldham's coupling, a partition plate fixed to a container for housing the structural elements such as scrolls and having a supporting pin provided at a position near the inner wall of the container, a movable bearing support which is placed below the partition plate and is engaged with the supporting pin so as to be swingable around the supporting pin, and which supports the driven scroll through a bearing, and a rotation controlling structure which causes a swinging movement of the movable bearing support around the supporting pin along with a driven scroll whereby the distance between the axial centers of said driving and driven scrolls is changed.