Denso Corporation

Kyodo Yushi Co., Ltd.

Idemitsu Kosan Company, Limited

Kabushiki Kaisha Toyota Jidoshokki

Denso Corpora Tion

University of Tsukuba

Shozo Ikejima

Takayuki Kato

Masato Kaneko

Takahiro Hoshida

Harutomo Ikeda

Masataka Muto

Masahito Yamashita

Masaki Inoue

Koji Sakakibara

Atsushi Yamada

Tokue Sato

Masato Takamatsu

Yutaka Imai

Terasu Yoshinari

Makoto Watanabe

Masao Nagakubo

Kyoji Inukai

Masashi Tobayama

Mitsuhiro Kakizaki

Iwaki Hirooka

Makoto Hayama

Hitoshi Kuno

Ryosuke Ichimura

Minoru Namiki

Suehiro Okazaki

Shuichi Yasuda

Koji Hisaka

Kazuki Isa

Masahiro Suzuki

Kyosuke Ikuma

Hiromasa Tanaka

Toshizo Watanabe

Asaki Iwata

Hiroki Kuriyama

Minoru Funahashi

Yusuke Asada

Provided is a grease composition for a magnet clutch of an automobile, including: a base oil; and a thickener, wherein the composition contains 5% by mass or more of a sulfur content in terms of sulfur element relative to a total mass of the composition.

Grease composition

The invention provides a cold and heat storage agent composition containing paraffin as a base material and at least one selected from the group consisting of organic inhibitors and passivators as a hydrogen generation inhibitor.

Cold and heat storage agent composition

The invention provides a grease composition capable of smoothly operating the lubricated parts even under wide-ranging temperature conditions, and at the same time, exhibiting excellent noise reducing effect on the lubricated parts. The grease composition containing a base oil and a thickener is provided, wherein the base oil includes at least one first base oil selected from the group consisting of poly-&#x3b1;-olefins and ethylene-&#x3b1;-olefin oligomers and at least one second base oil selected from the group consisting of polybutene, polyisobutylene, polymethacrylate, and styrene based copolymers, with the first base oil being contained in an amount of 65 mass % or more and the second base oil being contained in an amount of 1 mass % or more and less than 35 mass % based on the total mass of the base oil, the base oil having a kinematic viscosity of 350 to 1400 mm/s at 40&#xb0; C., the first base oil having a kinematic viscosity of 300 to 1200 mm/s at 40&#xb0; C., and the second base oil having a kinematic viscosity of 1500 to 200,000 mm/s at 40&#xb0; C.

Noise reducing grease composition

The invention provides a grease composition containing a thickener and a base oil, wherein the base oil contains (a) a hydrocarbon oil extracted fromand/or (b) a hydrocarbon oil obtainable by hydrogenating the hydrocarbon oil (a).

Lubricating grease composition

A lubricating oil composition for refrigerator including a base oil and an acid scavenger, and a compressor using the composition are provided, where the acid scavenger is a polyalkylene glycol derivative represented by a formula (1) as follows:R&#x2014;[(OR)&#x2014;OR]&#x2003;&#x2003;(1) and the base oil is at least one compound selected from a group consisting of polyvinyl ether, polyalkylene glycol and an ether-base compound represented by a formula (2) as follows,R-[(OR)-(X)&#x2014;(OR)-R&#x2003;&#x2003;(2)where meanings of respective signs are as described in the specification.

Lubricant composition for refrigerating machine and compressor using the same

A lubricating oil composition for refrigerators comprising a base oil which comprises as a main component a polyol ester compound obtained from a polyhydric alcohol selected from among pentaerythritol, dipentaerythritol, trimethylolpropane, and neopentyl glycol and a Cto Caliphatic monocarboxylic acid and which has an acid value of 0.02 mgKOH/g or less and a hydroxyl value of 5 mgKOH/g or less. A compressor using the lubricating composition. The lubricating oil composition is applicable to such refrigerators that use a refrigerant having a specific structure, such as an unsaturated fluorinated hydrocarbon compound, and being usable in current car air conditioner systems, and has excellent compatibility with the refrigerant, good sealing properties, capability of imparting a low coefficient of friction to sliding members and, yet, excellent stability. The compressor uses the lubricating composition.

Lubricating oil composition for refrigerators and compressors with the composition

A metal removing agent has a capability of removing metal clusters and metal ions from fuel with high efficiency. The metal removing agent is made of resin having anionic functional group of a functional group density within a range of 2 to 25 mmol/ml. The anionic functional group contained in the metal removing agent is at least one selected from sulfonate group, carboxyl group, sulfate group, thiol group, phosphate group, phosphonate group, iminodiacetic acid group, and aminophosphate group. A metal removing filter has a container and the metal removing agent. The container accommodates the metal removing agent.

Metal removing agent and metal removing filter

Provided is a lubricant composition for a refrigerator, which is characterized by using a substance mainly containing a polyoxyalkylene glycol derivative and having a hydroxyl number of 5 mgKOH/g or less, as a base oil. Also provided is a compressor using such the lubricant composition for a refrigerator. The lubricant composition for a refrigerator is used for a refrigerator which uses a refrigerant having a specific structure such as an unsaturated fluorohydrocarbon and being usable in current air-conditioning systems for cars or the like. The lubricant composition for a refrigerator exhibits excellent compatibility with the refrigerant, while having excellent stability. The compressor uses such the lubricant composition for a refrigerator.

Lubricant composition for refrigerator and compressor using the same

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Okazaki, Japan

Shozo Ikejima