Abstract: A sheet conveyance apparatus includes an apparatus body, a door supported in an openable/closable manner around a pivot shaft, and configured to pivot to a first position and to a second position that is opened further than the first position, a pivot member pivotably supported with respect to the apparatus body around the pivot shaft, an urging portion, and a regulating portion configured to regulate pivoting of the pivot member, wherein the door is configured to be retained at the first position in a state where no external force is applied to the door, is pivoted relatively with respect to the pivot member against urging force of the urging portion while the door moves from the first position to the second position, and is urged toward the first position by the urging portion in a case where the door is positioned at the second position.

Abstract: A scroll compressor according to the present disclosure includes a partition wall that divides a sealed vessel into a high-pressure space and a low-pressure space, a non-orbiting scroll provided in the low-pressure space, an orbiting scroll that forms a compression chamber between the orbiting scroll and the non-orbiting scroll, and a rotational shaft. The scroll compressor further includes a main bearing that supports the orbiting scroll, an elastic body that biases one of the non-orbiting scroll and the orbiting scroll so as to separate the non-orbiting scroll and the orbiting scroll from each other, and a plurality of columnar members that are fixed at one ends of the columnar members and are movable at the other ends of the columnar members, and are disposed in a circumferential direction. The non-orbiting scroll or the orbiting scroll that is biased by the elastic body is movable between the partition wall and the main bearing in an axial direction of the rotational shaft.

Abstract: A scroll compressor of the present invention includes a first discharge port 35 which is in communication with a compression chamber 50, a discharge space 30H which is in communication with the first discharge port 35, a second discharge port 21 which brings the discharge space 30H into communication with a high pressure space 11, a discharge check valve 131 capable of closing the second discharge port 21, a bypass port 36 which brings the compression chamber 50 into communication with the discharge space 30H, and a bypass check valve 121 capable of closing the bypass port 36, the fixed scroll 30 can move in an axial direction of the fixed scroll between the partition plate 20 and the main bearing 60, a high pressure is applied to the discharge space 30H and according to this, the fixed scroll 30 can be pressed against the orbiting scroll 40.

Abstract: A projection zoom lens includes, sequentially from an enlargement conjugate side: a first lens group having negative refractive power; a second lens group having positive or negative refractive power; a third lens group having positive refractive power; a fourth lens group having negative refractive power; a fifth lens group having positive refractive power; and a sixth lens group having positive refractive power, and configured to perform a magnification variation by changing the interval between the respective lens groups, wherein the fourth lens group includes at least one positive lens and at least one negative lens, at least one of the positive lenses included in the fourth lens group satisfies the following Conditional Expressions: 0.71??g_Fp+0.004×?dp?0.73 and 15??dp?25, and the back focus of the entire projection zoom lenses satisfies the following Conditional Expression 1.0?BF/Fw?2.7.

Abstract: A projection lens system includes a first lens group including a 1a-th lens group having a negative refractive power, a 1b-th lens group having a positive or negative refractive power, and a 1c-th lens group having a positive or negative refractive power. During a zoom, the first lens group remains stationary on an optical axis. During a focus from a remote distance side to a close distance side, the 1a-th lens group remains stationary on the optical axis while the 1b-th and 1c-th lens groups move toward the enlargement conjugate side along different loci respectively. Conditional formula ?4.7<fl/fw<?2.5 is fulfilled at both the remote and close distance sides, where fl represents a focal length of the first lens group, and fw represents a focal length of the entire system at a wide-angle end.

Abstract: A method of producing a complex of a lamellar inorganic compound and an organic compound includes: heat-treating a particular non-swelling lamellar inorganic compound within a pyrolysis temperature range of the non-swelling lamellar inorganic compound; and intercalating an organic compound into the non-swelling lamellar inorganic compound in a dispersion liquid in which the heat-treated non-swelling lamellar inorganic compound is dispersed in a medium, thereby inserting the organic compound into an interlamellar space of the non-swelling lamellar inorganic compound.

Abstract: A scroll compressor according to the present invention includes a partition plate that partitions a sealed container into a high-pressure space and a low-pressure space, a fixed scroll adjacent to the partition plate, a orbiting scroll, a rotation restrictor, and a main bearing. The sealed scroll compressor further includes a pillar member having a lower end portion secured in a bearing-side engagement portion provided in the main bearing, and an upper end portion inserted in a scroll-side engagement portion provided in the fixed scroll. The axial distance from the upper end portion of the pillar member to the partition plate is smaller than the length by which the pillar member and the bearing-side engagement portion are coupled together.

Abstract: A projection zoom lens includes, sequentially from an enlargement conjugate side: a first lens group having negative refractive power; a second lens group having positive or negative refractive power; a third lens group having positive refractive power; a fourth lens group having negative refractive power; a fifth lens group having positive refractive power; and a sixth lens group having positive refractive power, and configured to perform a magnification variation by changing the interval between the respective lens groups, wherein the fourth lens group includes at least one positive lens and at least one negative lens, at least one of the positive lenses included in the fourth lens group satisfies the following Conditional Expressions: 0.71??g_Fp+0.004×?dp?0.73 and 15??dp?25, and the back focus of the entire projection zoom lenses satisfies the following Conditional Expression 1.0?BF/Fw?2.7.

Abstract: An elastic body is provided which biases one of a fixed scroll and an orbiting scroll in a direction in which the fixed scroll and the orbiting scroll are spaced away from each other. With this, upon the start-up of a compressor, a gap is formed between the fixed scroll and the orbiting scroll, and thus the startability is improved.

Abstract: A scroll compressor of the present invention includes a partition plate 20, a fixed scroll 30, an orbiting scroll 40, a rotation-restraining member 90, a main bearing 60, a bearing-side concave portion 102, a scroll-side concave portion 101 and a columnar member 100. A lower end of the columnar member 100 is inserted into the bearing-side concave portion 102, and an upper end of the columnar member is inserted into the scroll-side concave portion 101. The columnar member 100 slides with at least one of the bearing-side concave portion 102 and the scroll-side concave portion 101, thereby moving the fixed scroll 30 in an axial direction between the partition plate 20 and the main bearing 60. A high pressure is applied to a discharge space 30H, thereby pressing the fixed scroll 30 against the orbiting scroll 40.

Abstract: A scroll compressor of the present invention includes a partition plate, a fixed scroll, an orbiting scroll, a rotation-restraining member, a main bearing, a discharge space, a ring-shaped first seal member and a ring-shaped second seal member. A pressure in the medium pressure space is set lower than that in the discharge space and higher than that in the low pressure space. The first seal member and the second seal member are sandwiched by the partition plate by means of a closing member, the fixed scroll can move in an axial direction of the fixed scroll between the partition plate and the main bearing. If a high pressure is applied to the discharge space, the fixed scroll can be pressed against the orbiting scroll.

Abstract: A zoom lens is a projection lens which is composed of a negative first lens group, a negative second lens group, a positive third lens group, a negative fourth lens group, a fifth lens group, and a positive sixth lens group in order from the enlargement conjugate side, and changes magnification by changing the intervals between the lens groups. At least the second, third, and fifth lens groups move when the magnification is changed, and the third lens group moves from the enlargement conjugate side to the reduction conjugate side when the magnification is changed from a telephoto end to a wide angle end. An aperture stop is disposed between the surface closest to the reduction conjugate side of the third lens group and the surface closest to the enlargement conjugate side of the fifth lens group, and is approximately telecentric on the reduction conjugate side.

Abstract: A scroll compressor of the present invention includes a partition plate 20, a fixed scroll 30, an orbiting scroll 40, a rotation-restraining member 90 and a main bearing 60. An inner wall of a fixed spiral lap 32 of the fixed scroll 30 is formed up to a location close to an ending-end of an orbiting spiral lap 42 of the orbiting scroll 40, thereby differentiating, from each other, a containment capacity of one (50A) of compression chambers and a containment capacity of the other compression chamber 50B, the fixed scroll 30 can move in an axial direction of the fixed scroll between the partition plate 20 and a main bearing 60, and high pressure is applied to a discharge space 30H formed between the partition plate 20 and the fixed scroll 30. According to this, the fixed scroll 30 can be pressed against the orbiting scroll 40.

Abstract: A projection lens system includes a first lens group including a 1a-th lens group having a negative refractive power, a 1b-th lens group having a positive or negative refractive power, and a 1c-th lens group having a positive or negative refractive power. During a zoom, the first lens group remains stationary on an optical axis. During a focus from a remote distance side to a close distance side, the 1a-th lens group remains stationary on the optical axis while the 1b-th and 1c-th lens groups move toward the enlargement conjugate side along different loci respectively. Conditional formula ?4.7<fl/fw<?2.5 is fulfilled at both the remote and close distance sides, where fl represents a focal length of the first lens group, and fw represents a focal length of the entire system at a wide-angle end.

Abstract: A projection lens includes a first lens group having negative refractive power, a second lens group having positive refractive power, a third lens group having negative refractive power, a fourth lens group having negative refractive power, a fifth lens group having positive refractive power, and a sixth lens group having positive refractive power, in sequence from an enlargement conjugate side, the projection lens performing magnification by changing the spacing between the lens groups, wherein at the time of magnification from the telephoto end to the wide-angle end, the second, third, fourth, and fifth lens groups are moved, and an aperture stop is arranged between the surface of the third lens group closest to a reduction conjugate side and the surface of the fifth lens group closest to the enlargement conjugate side.

Abstract: A scroll compressor includes a pillar-shaped member that is inserted into a scroll-side engagement section formed on a stationary scroll. A lower end-face of an engagement section between the pillar-shaped member and the scroll-side engagement section is located above a lap end-face of a stationary spiral lap.

Abstract: A scroll compressor includes partition plate (20) that partitions an inside of sealed container (10) into high-pressure space (11) and low-pressure space (12), and fixed scroll (30) adjacent to partition plate (20). The scroll compressor includes orbiting scroll (40) that meshes with fixed scroll (30) to form compression chamber (50), rotation restrictor (90) that prevents rotation of orbiting scroll (40), and main bearing (60) that supports orbiting scroll (40). Fixed scroll (30), orbiting scroll (40), rotation restrictor (90), and main bearing (60) are disposed in low-pressure space (12), and fixed scroll (30) and orbiting scroll (40) are disposed between partition plate (20) and main bearing (60). The scroll compressor includes bearing coupler (102) provided in main bearing (60), scroll coupler (101) provided in fixed scroll (30), and pillar member (100) having a lower end and an upper end, the lower end being inserted in bearing coupler (102) and the upper end being inserted in scroll coupler (101).

Abstract: There are provided an angle detection apparatus configured to correct an error included in angle information output from a multipolar angle detector, a motor having the angle detection apparatus, a torque sensor, an electric power steering apparatus, and a vehicle. A multiplication circuit (12) generates digital electrical angle information (?ed) from analog angle information output from a multipolar optical encoder (11), a first differentiator 30 differentiates the electrical angle information (?ed) to operate an electrical angular velocity (?ed), a first discontinuity correction circuit (31) carries out processing of correcting a discontinuity of an angular velocity in a temporal change for the electrical angular velocity (?ed), and a digital filter (32) carries out correction processing of reducing a high-frequency noise component for an electrical angular velocity (?edc) corrected by the first discontinuity correction circuit (31).

Abstract: A diameter of a main bearing member 12m is defined as Dm, a length thereof is defined as Lm, a diameter of the eccentric bearing member 11e is defined as De and a length thereof is defined as Le. A ratio (=Lm/Dm) of the length and the diameter of the main bearing member 12m and a ratio (=Le/De) of the length and the diameter of the eccentric bearing member 11e are set to Le/De?Lm/Dm?1. Therefore, contact at edge portions of both ends of the eccentric bearing member 11e does not occur, and it is possible to prevent contact at edge portions of both ends of the main bearing member 12m even if the main shaft 13m inclines, and to reduce a viscosity loss caused by oil 9a. Hence, the present invention provides a scroll compressor securing reliability of the bearing members 12m, 11e and 16s and having high efficiency.

Abstract: There are provided an angle detection apparatus configured to correct an error included in angle information output from a multipolar angle detector, a motor having the angle detection apparatus, a torque sensor, an electric power steering apparatus, and a vehicle. A multiplication circuit (12) generates digital electrical angle information (?ed) from analog angle information output from a multipolar optical encoder (11), a first differentiator 30 differentiates the electrical angle information (?ed) to operate an electrical angular velocity (?ed), a first discontinuity correction circuit (31) carries out processing of correcting a discontinuity of an angular velocity in a temporal change for the electrical angular velocity (?ed), and a digital filter (32) carries out correction processing of reducing a high-frequency noise component for an electrical angular velocity (?edc) corrected by the first discontinuity correction circuit (31).