Tokyo, Japan
Tokyo, Japan

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Patent
Azbil Corporation | Date: 2016-08-17

A power demand control apparatus includes a power consumption estimating unit that calculates estimated power consumption at a time when a current interval ends based on information indicating a power consumption history until a current time on a current day including the current interval and an estimated power consumption recalculating unit that recalculates the estimated power consumption using a correction factor calculated based on information indicating the power consumption history on past dates.


Patent
Azbil Corporation | Date: 2016-08-19

A testing method for testing a liquid flowmeter, the method including introducing a test liquid and a sealant having a specific gravity smaller than that of the test liquid into a weighing tank until an outlet of a pipe is submerged in the test liquid; causing the test liquid to pass through the pipe; acquiring readings of a weighing scale configured to measure a weight of the weighing tank at multiple time points, and time information representing the time points; acquiring readings of the liquid flowmeter; calculating a standard flow rate of the test liquid based on the readings of the weighing scale at the multiple time points and the time information; and calculating an instrumental error between a measured flow rate based on the readings of the liquid flowmeter and the standard flow rate.


Patent
Azbil Corporation | Date: 2016-10-12

A photoelectric sensor includes a lens mounted to a light projecting element at a position that opposes a light projecting lens and configured such that the curvature in the direction perpendicular to a straight line passing through the center of the light projecting lens and the center of the light receiving lens is greater than the curvature in the direction parallel to the straight line passing through the center of the light projecting lens and the center of the light receiving lens.


Patent
Azbil Corporation | Date: 2016-10-05

A light receiver has a shield wall disposed facing a part of a near-side light-receiving face of a light receiving element from an end opposite from a far-side light-receiving face. The shield wall blocks a portion of reflection light from a detection object located at a distance at which the detection object reflects reflection light that causes an amount of light received by the light receiving element to be larger than or equal to a predetermined value.


Patent
Azbil Corporation | Date: 2016-10-20

A setting/operating device includes: a drive motor, a sun gear that rotates by force from the drive motor; a fixed internal gear; planetary gears configured to be rotatable in engagement with the fixed internal gear while revolving around the sun gear; a movable internal gear disposed coaxially with the fixed internal gear and provided so as to be rotatable in engagement with the planetary gears; an output shaft coupled to the movable internal gear and configured to rotate a valve stem of a regulating valve; wherein the planetary gear includes: a first gear portion configured to engage the sun gear and the fixed internal gear, a second gear portion disposed coaxially with the first gear portion and configured to engage the movable internal gear; and an elastically deformable portion having a smaller elastic modulus formed integrally between the first gear portion and the second gear portion.


Patent
Azbil Corporation | Date: 2016-10-20

A setting/operating device including: a sun gear that is rotated by a rotational force from a drive motor; a fixed internal gear fixedly disposed to surround the sun gear and having teeth on an inner peripheral surface; a plurality of planetary gears disposed between the sun gear and the fixed internal gear that rotate in engagement with the sun gear and the fixed internal gear while revolving around the sun gear; a movable internal gear disposed coaxially with the fixed internal gear, having teeth that come into engagement with the planetary gear on an inner peripheral surface, and provided so as to be rotatable; an output shaft coupled to the movable internal gear and configured to rotate the valve stem of the regulating valve; and a manual operation mechanism that rotates the sun gear or the planetary gear by a force applied from the outside of a housing.


Patent
Azbil Corporation | Date: 2016-10-20

A setting/operating device for operating a valve stem of a regulating valve, including: a sun gear that rotates upon reception of a rotational force from a drive motor; a fixed internal gear fixedly disposed to surround the sun gear and having teeth on an inner peripheral surface; a plurality of planetary gears disposed between the sun gear and the fixed internal gear that rotate in engagement with the sun gear and the fixed internal gear while revolving around the sun gear; a movable internal gear rotatably disposed coaxially with the fixed internal gear, having teeth that engage the planetary gear on an inner peripheral surface; and an output shaft coupled to the movable internal gear and configured to rotate the valve stem of the regulating valve, wherein the planetary gears have a torque limit structure that restricts power transmission when a torque exceeding a certain level is applied.


Patent
Azbil Corporation | Date: 2016-11-18

The positioner having an air circuit including magnetism generating portions producing magnetism based on a current in accordance with a difference between a valve opening setpoint of a regulator valve and a measured value for the valve opening, to generate a pneumatic signal wherein the air pressure is adjusted based on the magnetism produced by the magnetism generating portions, where this pneumatic signal is supplied to an operating device of the regulator valve, where the magnetism generating portions are connected in parallel, and including a plurality of coils connected through magnetically additive coupling.


A measuring apparatus including a tubular member, a sensor fixed to an outer peripheral surface of the tubular member, and a circuit board that relays a detection signal from the sensor, the circuit board being fixed to the outer peripheral surface in an area different from an area where the sensor is fixed and being separated from the sensor, and a wire that electrically connects the sensor and the circuit board.


A measuring apparatus according to an aspect of the present invention includes a tubular member, a sensor fixed to an outer peripheral surface of the tubular member, and a circuit board that relays a detection signal from the sensor, the circuit board being fixed to the outer peripheral surface in an area different from an area where the sensor is fixed and being separated from the sensor, and a wire that electrically connects the sensor and the circuit board.

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