Hitachi, Ltd.

Honda Motor Co., Ltd.

Takashi Sano

Shinichi Kosugi

Yoshiki Hata

Kensaku Oguni

Hidetoshi Toyoda

Masayuki Fujita

Hiromu Yasuda

Keisuke Nanri

Shinichi Kuwahara

Kyuhei Ishibane

Shigeaki Kuroda

Hironori Etou

Naoki Shikazono

A radially mounted disk brake has a caliper body secured to a support member secured to a vehicle body. The caliper body has mounting holes extending in a direction perpendicular to the axis of rotation of a disk rotor. Large-diameter hole portions are formed at the openings of the mounting holes on the side thereof closer to the support member. The large-diameter hole portions are fitted with the side wall surfaces of cylindrical step portions provided on the support member in such a manner that gaps are formed between the bottoms of the large-diameter hole portions and the distal end surfaces of the step portions. The center of the axial length of each mounting hole is positioned radially outward of the disk rotor in the axial direction of the mounting hole with respect to a shortest-distance portion of the caliper body at which the distance between the center of a cylinder bore and the mounting hole is shortest.

Radially mounted disk brake

There is disclosed a ceiling embedded type indoor unit which is reduced in height to provide a compact unit body size and which provides a large cooling/heating capability. The ceiling embedded type indoor unit comprising two air blowoff ports and embedded in a ceiling comprises a heat exchanger formed in a U-shape with sides of the U-shape being disposed on long sides of a unit body and connected to a header pipe for circulating a coolant at one end of an open side of the U-shape, air blowoff ports disposed to extend from a bottom side the U-shape, and a centrifugal blower disposed aside to the bottom side of the U-shape relative to a substantial center of a length direction of the sides of the U-shape.

Ceiling embedded type indoor unit

In a ceiling embedded type indoor unit for an air conditioner, an wind sound is reduced while preventing a beat sound of blowers with keeping a high air conditioning capacity. In the ceiling embedded type indoor unit provided with a U-shaped heat exchanger which is placed in a casing embedded in a ceiling and is constituted by two side portions and a bottom portion connecting the side portions at one end side, blowers arranged in an inner space of the heat exchanger, a decorative panel mounted to a lower surface of the casing and having two elongated air outlet ports in correspondence to the side portions of the heat exchanger and an air suction port formed between the air outlet ports, and a control apparatus, the control apparatus controls so that the number of rotation of the blower near a valley portion of the U-shaped heat exchanger becomes high and the number of rotation of the blower near the open end of the U-shaped heat exchanger becomes low.

In a ceiling embedded indoor unit for an air conditioner, blower noise is prevented while maintaining a high air conditioning capacity. The ceiling embedded indoor unit is provided with a U-shaped heat exchanger placed in a casing embedded in a ceiling. The U-shaped heat exchanger includes two side portions, a portion connecting the side portions at one end, and blowers arranged in an inner space of the heat exchanger. A decorative panel is mounted to a lower surface of the casing that has two elongated air outlet ports in correspondence to the side portions of the heat exchanger and an air suction port formed between the air outlet ports. A control apparatus controls the number of rotations of the blower near the valley portion of the U-shaped heat exchanger to be higher than the blower near the open end.

Ceiling embedded air conditioning unit

A refrigerant flow control system associated with a refrigerant circulating circuit having a compressor, a condenser, an expansion valve and an evaporator, includes a branch pipe extending from a discharge pipe of the compressor and having on sealed free end. A first temperature sensor is disposed on the branch pipe near the sealed free end for detecting a condensation temperature of a refrigerant which is condensed in the branch pipe. A second temperature sensor is disposed on the discharge pipe of the compressor for detecting a temperature of the gaseous refrigerant discharged from the compressor. The signals representative of the condensation temperature and the temperature of the discharge gaseous refrigerant are inputted to a control device. The control device calculates a difference between the two detected temperatures, and a degree of superheat of the discharged gaseous refrigerant and transfers to the expansion valve a command signal representative of the calculation results, thereby controlling an opening of the expansion valve.

Growing community of inventors

Shimizu, Japan

Takashi Sano