Kyodo Yushi Co., Ltd.

Toyota Jidosha Kabushiki Kaisha

Denso Corporation

Ntn Corporation

Nsk Corporation

Jtekt Corporation

Denso Corpora Tion

Yutaka Imai

Toshiaki Endo

Yuji Onuki

Junichi Imai

Ryo Aida

Hiroshi Inukai

Kenichi Iso

Shinji Yamane

Masashi Tobayama

Kyoji Inukai

Shozo Ikejima

Ryuji Nakata

Yoshinori Araki

Hideo Shibata

Minoru Sumiya

Yuta Sato

Iwaki Hirooka

Ryosuke Saito

Yoshiyuki Muramatsu

Koji Yoshizaki

Ryosuke Ichimura

Kenta Sakaguchi

Masamichi Yamamoto

Takeshi Maejima

Hironori Mizuki

Kazuki Isa

Yoichiro Sankai

Hiromasa Tanaka

Hirofumi Inoue

Kazunori Nakagawa

Shoji Kurikawa

Jun-ichi Imai

Da Ming Dong

Toshizo Watanabe

Yusuke Asada

A grease composition includes a base oil, a thickener, and an additive. The base oil contains a synthetic oil. The thickener contains a compound having a urea group. The additive contains a phosphoric compound, a calcium-based compound, and a hydrocarbon-based wax. A hub unit includes the grease composition enclosed therein.

Grease composition and hub unit

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 grease composition suitable for being packed in roll bearings to be lubricated at elevated temperatures and a bearing in which the above-mentioned grease composition is packed. In the grease composition containing a base oil, a urea-containing thickener and an additive, the additive includes an overbased metal sulfonate and the amount of the overbased metal sulfonate is 0.05 to 1.00 mass % with respect to the total amount of the grease composition. The bearing has the above-mentioned grease composition sealed therein.

Grease composition and bearing

A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment. A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I):R&#x2014;NHCONH&#x2014;R&#x2014;NHCONH&#x2014;R,&#x2003;&#x2003;(I) wherein Ris a Cdivalent aromatic hydrocarbon group, Rand Rare the same or different, and represent cyclohexyl or Clinear or branched alkyl, and the molar ratio of cyclohexyl to the total of cyclohexyl and Clinear or branched alkyl is 60 to 95%.

A grease composition for EV/HEV driving motor bearing, containing a diurea thickener of the following formula (A): 

Grease composition for EV/HEV driving motor bearing and EV/HEV driving motor bearing

The invention provides a lubricant composition capable of favorably preventing the members from causing hydrogen embrittlement-induced flaking when the members are operated under the conditions where the oil film is thin (namely, the metal surfaces considerably come in contact with each other). The lubricant composition used for lubricating the steel mechanical members operated by a rolling motion or rolling-sliding motion is characterized by containing a base oil and additives, the additives including an organic sulfonate rust inhibitor and a load carrying additive.

Lubricant composition and mechanical member

A grease composition for a rolling bearing for a motor to support a rotor of the motor, containing a pentaerythritol ester base oil with a kinematic viscosity at 40&#xb0; C. of 20 to 55 mm/s; 7 to 13 mass % of a diurea thickener represented by formula (A) where each R group is defined; and a rust inhibitor mixture selected from the group consisting of polyol ester type rust inhibitors and organic sulfonate type rust inhibitors. The grease composition can prevent a peculiar noise from being produced at low temperatures, satisfy the low torque performance over a wide temperature range, extend the bearing lubrication life even under the circumstances of high temperature, and exhibit excellent rust inhibiting effect on varnish. 

Grease composition and grease-packed rolling bearing

The lubricant composition of this invention comprises a base oil and an additive, which is at least one selected from the group consisting of an organic sulfonate, a carboxylate, a thiocarbamate and a thiophosphoric acid ester salt. The lubricant composition can effectively suppress hydrogen embrittlement-caused flaking of an element, such as a rolling bearing, a sliding bearing, a gear, a ball thread, a linear guide, a linear bearing, a cam and various joints in a high concentration hydrogen environment. The invention provides also a rolling bearing, a sliding bearing, a gear, a ball thread, a linear guide, a linear bearing, a cam and various joints using the lubricant composition.

Lubricant composition

A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment. A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I):R&#x2014;NHCONH&#x2014;R&#x2014;NHCONH&#x2014;R,&#x2003;&#x2003;(I)

The invention provides a grease composition containing a thickener, a base oil and an antistatic agent, where the antistatic agent includes at least one selected from the group consisting of Li(CFSO)N and Li(CFSO)C; and a mechanical part where the above-mentioned grease composition is packed. The composition of the invention shows satisfactory results in the antistatic properties and the acoustic property.

A center panel is closer to a viewer in the viewing direction than a speedometer A is and overlapped with the speedometer. The center panel includes an attachment portion extending from a rear side of the center panel towards a dial plate of the speedometer. The center panel is fixed to a printed circuit board of the speedometer via the attachment portion. Accordingly, when a combination meter is viewed, the attachment portion is concealed rearward of the center panel to be invisible. The center panel looks floating separately from the speedometer towards a viewer, which provides a combination meter having excellent visibility and aesthetic cosmetic appearance. Thus, a vehicular display device having excellent visibility and aesthetic cosmetic appearance can be provided by improving a method for supporting a displaying unit on a pointer instrument.

Vehicular display device

Growing community of inventors

Fujisawa, Japan

Yutaka Imai