Daikin Industries, Ltd.

Tsubakimoto Kogyo Co. Ltd.

Fabrica Toyama Corporation

Ohki Co., Ltd.

Yoshiyuki Tsuji

Makoto Kojima

Yasushi Hori

Mariko Takakura

Tomohiro Takemoto

Yuusuke Oka

Mitsunori Saitoh

Fumio Miyahara

Takeo Yamamura

Masahiro Sunada

Hiroshi Yamaguchi

Nobuhito Yamauchi

Kenro Yamamura

An indoor unit of a refrigeration apparatus, to be disposed in a ceiling, includes a casing that has blow-out ports and a blow-in port disposed in a lower surface, a plate-shaped member disposed below the blow-in port, and a filter disposed above an opening in the plate-shaped member. The casing accommodates a heat exchanger, a control board, a support member supporting the control board, and a gas sensor disposed at or adjacent to the support member and between the casing and the plate-shaped member. The gas sensor detects the refrigerant flowing out of the blow-in port due to refrigerant leakage, and the gas sensor is removable when the plate-shaped member is shifted.

Indoor unit of refrigeration apparatus

An indoor unit of a refrigeration apparatus includes: a drain pan that includes four wall surfaces including a first wall surface, and has a quadrangle shape in a plan view; a heat exchanger disposed above the drain pan and through which a combustible refrigerant, having a larger specific gravity than air, flows; a fan that generates air flow to the heat exchanger; a gas sensor that detects a refrigerant leakage; and a casing accommodating the drain pan, the heat exchanger, the fan, and the gas sensor.

In an air conditioning apparatus, an expansion valve is determined to be in a fully closed state when a refrigerant temperature in an outlet of an indoor heat exchanger and a refrigerant temperature in an inlet or an intermediate part of the indoor heat exchanger satisfy a closed-valve condition. The temperature in the outlet is detected by a gas-side temperature sensor. The temperature in the inlet or the intermediate part is detected by a liquid-side temperature sensor. The closed-valve condition is in relation to a refrigerant evaporation temperature obtained by converting a refrigerant pressure in an intake side of a compressor to a refrigerant saturation temperature, and in relation to an air temperature of an air-conditioned space cooled by the indoor heat exchanger. The pressure in the intake side is detected by an intake pressure sensor. The air temperature is detected by an indoor temperature sensor.

Conditioner determining a closed condition of an expansion valve

A controller of an air conditioning apparatus performs a start/stop frequency-reducing rotation speed control in which the rotation speed of a compressor is controlled based on request values from indoor units requesting a decrease in air conditioning capacity, disregarding request values from indoor units requesting an increase in air conditioning capacity, when each indoor temperature at all indoor units performing air conditioning operation is within a scope of a prescribed threshold temperature range surrounding a target indoor temperature at each indoor unit performing air conditioning operation.

Air conditioning apparatus

A thread material cutting device is provided which is used in an extraction bag sheet manufacturing apparatus. The thread material cutting device has tension application means such as a pressing plate configured to engage with the thread material placed between adjacent tags so as to apply tension to the thread material. While the welding means is press-heating the thread material onto the tags, the tension application means applies tension to the thread material so as to cut the thread material.

Thread material cutting device

A packing-packaging machine includes: sheet feeding means; a horizontal bonding unit for forming a bag body by forming horizontal bonding on a tubular body at predetermined intervals; and an object dispensing unit for dispensing an object to be packaged to the bag body during a repetition of the formation of the horizontal bonding. The object dispensing unit includes a shutter for opening and closing a falling path of a predetermined amount of the object into the bag body. The shutter is opened and closed such that the predetermined amount of the object and another predetermined amount of the object fall with a spacing therebetween, and that before the horizontal bonding is formed on the bag body packed with the predetermined amount of the object which has been dropped during opening-closing operation of the shutter, the other predetermined amount of the object for a next bag body starts falling.

Packing-packaging apparatus

A method of manufacturing an extraction bag sheet including: (1) a step of placing and holding tags on a rotary supporting body at predetermined intervals; (2) threading a string into a continuous pattern on the circumferential surface of the rotary supporting body; (3) bonding the string to the tags; (4) supplying a water-permeable filter sheet onto the tags and the string; (5) bonding the water-permeable filter sheet to the string; and (6) bonding the water-permeable filter sheet to the tags. In the bonding steps of (3), (5), and (6), bonding heads are used which are moved reciprocally and oscillatingly about the center axis of the rotary supporting body and moved vertically relative to the circumferential surface of the rotary supporting body by an oscillation servo motor and a vertical movement servo motor.

Growing community of inventors

Osaka, Japan

Yoshiyuki Tsuji