A method for determining mud slowness of a mud in a borehole includes determining slowness as a function of frequency for at least one fluid mode from a set of measurements acquired with a sonic tool in the borehole; and determining the mud slowness from the slowness as a function of frequency for the at least one fluid mode. A downhole sonic tool includes a transmitter capable of generating signa...

PROBLEM TO BE SOLVED: To improve the weldability of a galvanized steel sheet or an aluminum sheet, thus to minimize technical cost, time consumption and material consumption.

SOLUTION: In the method for improving the weldability of a galvanized steel sheet or an aluminum sheet by pretreatment to the surface in a joining range provided for welding-joining, the beam of electrically neutral lo...

PROBLEM TO BE SOLVED: To provide a rotary type automatic packaging machine of which the manufacturing cost is reduced.

SOLUTION: This rotary type automatic packaging machine 1 is equipped with a side sealing device 5, a filling chute device 7 which throws a content into a packaging bag 122 by being inserted in/removed from a filling chute 70, a turntable 4, and a top sealing device 9, and i...

PROBLEM TO BE SOLVED: To provide a nonstimulative detergent composition excellent in a foaming property, a serum stain-deterging property and low-temperature stability in a weakly acidic area and excellent in feelings upon use having refreshing touch.

SOLUTION: The detergent composition comprises an N-acylaspartic acid surfactant containing an N-acylaspartic acid or its salt as a main ingre...

PROBLEM TO BE SOLVED: To easily suppress valve axial enlargement in an electromagnetically driven valve.

SOLUTION: This electromagnetically driven valve is designed by arranging an armature stem guide 36 to a lower core 24 on a valve 6 side. An armature stem 32 is certainly supported by the armature stem guide 36, therefore, a bearing member such as a bush is not required to provide to an u...

PROBLEM TO BE SOLVED: To provide a power transmission for an electric motorcar enabling a reduction in outside dimensions.

SOLUTION: In this power transmission for the electric motorcar, a plurality of combination planetary gears 4 formed by integrating large diameter pinions 4L with small diameter pinions 4S are disposed about the axis of a carrier 3 at equal angular intervals, and the lar...

PROBLEM TO BE SOLVED: To suppress the occurrence of rattling noise of the gears of a motor generator.

SOLUTION: The motor generator is formed to be meshed with and rotatably in synchronism with the gears of an MMT through an MG clutch. When a torque is requested for the motor generator (YES in step S10), the MG clutch is engaged (step S11) to perform the torque control of the motor generato...

PROBLEM TO BE SOLVED: To provide a controller for suppressing shift shock caused when switching a power transmission path from a power transmission shutting-off condition to a power transmission possible condition in a driving device for a vehicle provided with a differential mechanism functioning as a gear shift mechanism by differential action and an automatic transmission between the differe...

PROBLEM TO BE SOLVED: To provide a geared motor capable of reducing the number of parts and improving assembly workability.

SOLUTION: A stator 18 is integrally molded by mold resin to form a motor frame 16, which is connected with a gear case part 14. Gear bearings 58, 62 supporting gear shafts 44, 52 supporting each gear 46, 48, 54 inside the gear case part 14 rotatably are fixed to the ge...

PROBLEM TO BE SOLVED: To provide a control unit and a control system for a vehicle that can suppress a decrease in user's operability even when many functions are mounted on the vehicle.

SOLUTION: The vehicle control system is equipped with a detection section 10, the vehicle control unit 20, and a function section 40. The vehicle control unit 20, on the other hand, is equipped with a memor...

PROBLEM TO BE SOLVED: To provide a manufacturing method of a paste form active material for a positive electrode, capable of reducing a charge amount in chemical conversion and capable of manufacturing a long-lifetime lead-acid battery.

SOLUTION: Slurry, formed by agitating red lead and diluted sulfuric acid and by cooling it to 70°C or below, is manufactured in advance. Water is added to l...

PROBLEM TO BE SOLVED: To provide a method for manufacturing a lead battery by means of burner method using a comb mold, a metal pad and additional lead in which gaps formed in a welding interface between a strap and a lug can be largely reduced in size.

SOLUTION: In the manufacturing method of a lead-acid storage battery, provided that the length of projected parts of a positive electrode l...

PROBLEM TO BE SOLVED: To provide a lead acid storage battery, of which deterioration of a cathode at charge/discharge cycle is restrained, and charge receiving property of an anode is improved, suitable for an idle stop vehicle or a regenerative brake system mounting vehicle.

SOLUTION: The lead-acid storage battery comprises a cathode and an anode composed of a cathode lattice and an anode ...

PROBLEM TO BE SOLVED: To add an organic polymer to an electrolyte solution automatically over a long time for making the activity of a negative electrode active material of a lead acid battery maintained for a long time.

SOLUTION: The lead acid battery comprises a container provided in the electrolyte solution having dilute sulfuric acid as the main component, the container having a gap com...

PROBLEM TO BE SOLVED: To surely suppress the vibration of a vehicle irrespective of the change of an object to be controlled such as the change of a change gear ratio.

SOLUTION: This drive force control device comprises: a fundamental torque command value operation part 101 that operates a motor fundamental torque command value and an engine fundamental torque command value, respectively, o...

A rotor device (RD) is controlled on-axis in a casing and moved against the restoring force of a reset spring (14) by current through a coil device (10) on a coil body (30). The RD has a plunger device (18) to form a skewback for a restoring spring outside a coil carrier's coil area and a fluid-carrying channel (22) running on-axis in sections. -

A composite pipe comprises an outer spun pipe (10) and a coaxial inner pipe (20) which is made by compressing powder. An independent claim is included for the production of a composite pipe by applying powder to the inner or outer surface of a spun pipe and compressing it to bond it in place. -

Lead accumulator has alternating lead-containing anode and cathode plates (2a, 2b), between which are microporous polyethylene separators (5). These have fibrous layers (6a, 6b) on either surface. The separators and the fibrous layers have a thickness of at least 100 microns. The average fiber length is above 1mm and their average diameter is above 1 micron. The fibrous layers are fastened to the ...

The system has an inclination switch (2) arranged in a motion detector that is designed as a radio motion detector (1), where the switch and the detector are provided in housing. The detector is equipped with batteries or rechargeable batteries, and/or solar cell units or other power supply sources for operating the system. The switch has a dry reed contact (5), where a pendulum of the switch rais...

The waste mill comprises a container in which is provided a cutting mechanism with a cutting grate with several transverse blocks in its front half and a cover plate in its rear half. The cutting grate has slide rails on both sides, and turning blades of hardened steel with four sharp cutting edges are fastened by countersunk screws in the transverse blocks. The transverse blocks have bevels on th...