Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 901 - 950 out of 3,325

Document Document Title
JP3989258B2  
JP3986276B2  
JP3984467B2  
JP2007245948A
To provide a water jet propulsion device capably of rotating/driving an impeller relative to a water-leading pipe by reducing a calorific value from a coil. The water jet propulsion device 1 is provided with the water-leading pipe 2 arra...  
JP3980445B2  
JP3983153B2  
JP3980362B2  
JP3976530B2  
JP3976582B2  
JP3979242B2  
JP2007230379A
To prevent leakage of working oil even when a flexible hose to supply and discharge the working oil to and from a hydraulic cylinder to control a water jet propulsion device is ruptured. This water jet propulsion device to supply and dis...  
JP2007230381A
To prevent breakage of an impeller shaft by wetting all peripheries and all surfaces of a normal seal ring by supplying cooling water even when an impeller shaft of a water jet propulsion device has a non-submerged part in detaining a ve...  
JP3974413B2  
JP3974361B2  
JP3973987B2  
JP3974362B2  
JP3974360B2  
JP3974367B2  
JP3971161B2
To easily land at the shore by reversely injecting a jet. When reverse buckets 22 (L, R) are oscillated to a blocking position Q by the operation of an operating lever 28, a lid member 24 is closed by link mechanisms 33-37, and the oscil...  
JP3971155B2
To enhance a coast-landing property by reverse-injecting an injection flow. When reverse injection nozzles 53 (L, R) are closed by a lid member (outer wall 53C) always urged by a spring 66 and a reverse bucket 46 is moved to a shielding ...  
JP3967100B2
To ensure an amount of jet water stream and improve the steering property of a jet propulsion boat by introducing a controller capable of increasing the revolution of an engine up to the revolution determined in advance irrespective of t...  
JP2007210537A
To provide a water jet propulsion ship capable of obtaining efficient thrust even if a large ship is operated at high speed so as to obtain stable sailing while having almost no thrust resistance at a bow during ship sailing. The water j...  
JP3963680B2
To sufficiently reduce a rotating component of a stream right near an outer circumferential face of a bearing cap 34, miniaturize the cap 34, and eliminate the need for positioning the cap 34 and a stator blade 31c1. The water jet propel...  
JP3961917B2
To provide a cover structure for a shaft coupling in a small surface craft which can be easily dismounted and remounted even in a narrow work space. An engine 17 is disposed at a center of a hull, a water jet propeller 18 is disposed at ...  
JP3961080B2
To arrange a balancer shaft in relation to a crankshaft so as to meet the requirement in an engine to be used. In an engine 4, a cylinder 43 is provided in an inclined condition in the stern direction, an exhaust pipe 44 is led upward of...  
JP3957143B2
To prevent an oil from blowing off to a breather chamber of an oil tank. The oil tank 27 is provided to supply the oil to a feed side pump 53 of an oil pump to be driven by an engine 3 and to return the oil from a suction side pump 52 of...  
JP2007198373A
To provide a fluid injection nozzle which can improve kinetic-energy transmission efficiency more than ever before by controlling cavitation generated by a shear force between a drive fluid and a driven fluid at a position from the injec...  
JP3953288B2
To improve durability of a turbocharger. A hull 14 and a deck 15 are formed in a watertight fashion for a small planing boat; an opening portion in the deck is plugged with a seat 12 to form a cabin space 16; air intake ducts 18, 19 for ...  
JP3953758B2
To provide an exhaust system structure for a jet propulsion boat capable of easily reducing exhaust noise. In this exhaust system structure 30 for the jet propulsion boat, a tunnel shaped pump chamber 16 is provided at a rear part of a h...  
JP3954344B2
To maintain a turning performance by moving throttle lever to an idle up direction when hold of the throttle lever is loosened during cruise and operation of steering handle exceeds normal operation steering angle. When the steering hand...  
JP3953398B2
To provide a water jet propeller capable of preventing water from coming into contact with an impeller shaft. This water jet propeller is provided with an impeller 32 arranged rotatably inside a stator 31 forming a flow passage 18 and a ...  
JP3953290B2
To improve the durability of a mounting part of a coupler on the driven side of a shaft and facilitate the maintenance of the shaft. An intermediate part of the shaft for driving an impeller in a ship is supported on a hull 11 by a beari...  
JP3956243B2
To return blow-by gas of fuel leaked in an internal combustion engine to the internal combustion engine through a breather pipe as well as prevent water outside the internal combustion engine from entering into its inside through the bre...  
JP3953761B2
To provide an exhaust device of a small boat capable of easily reducing exhaust noise. In the exhaust device 30 of the small boat, an exhaust pipe 31 is extended to the rear from an engine 15 provided in a hull 11, a water muffler 36 is ...  
JP3951217B2
To provide an inexpensive propulsion machine having excellent safety and quietness in a structure without exposing a projection in the water and capable of easily reversing, in a human power driving type boat. In a driving device, a driv...  
JP3951081B2
To facilitate maintenance of a jet propulsion machine by simplifying wiring around the jet propulsion machine. In a small boat, a jet propulsion machine for rearward injecting water sucked from the bottom by the rotation of an impeller t...  
JP3948981B2
To provide a jet propulsion boat in which a water inlet can be formed without increasing the number of components. This jet propulsion boat is constructed to be propelled by a water jet pump P driven by an engine E and a cooling section ...  
JP3948922B2
To prevent wear of an outer peripheral face of a drive shaft and/or an inner peripheral face of an inner race. A bearing member 52 supporting a drive shaft 22 driving an impeller rotatably relative to a hull is provided with the inner ra...  
JP3950172B2  
JP3946020B2
To simplify mounting work of a filter and a lid for a water intake. A cylindrical filter storage chamber 31g forming the intake 31f is provided on a side wall of a stator 31 in which an impeller is rotatably arranged, and the cylindrical...  
JP3946019B2
To eliminate grease supply maintenance for a drive shaft bearing and at least reduce its frequency. A bearing body 50 supporting a drive shaft 22 driving an impeller rotatably relative to a hull is provided with a bearing chamber 51f hou...  
JP3946013B2
To strongly achieve junction between a hull and a deck, install a side protector by a smaller number of manhours for assemblage, and form a positioning part for tapping screws or rivets by a smaller number of manhours. The hull 14 and th...  
JP3940042B2
To provide an exhaust device for a small boat that can emit exhaust gas smoothly. An exhaust device 30 of a small boat includes a water muffler 32 on the exhaust device 30 of an engine 15 mounted on the small boat 10, an exhaust pipe 33 ...  
JP3939980B2
To provide a manufacturing method of a stator for a water jet propeller possible to fit a liner at the predetermined position inside the stator, possible to prevent the occurrence of inward peeling of the liner, and possible to efficient...  
JP3938695B2
To provide an engine for a compact planing boat giving good influence on planing performance of the compact planing boat by backwardly moving the center of gravity of the engine. A generator 3 accommodated in a housing 8 is mounted at an...  
JP3938485B2
To provide a small vessel capable of introducing air from a gap between a front hood and a vessel body and inhibiting intrusion of sea water and water from this gap. In the small vessel 10, a steering wheel 14 is arranged on a center lin...  
JP3932310B2
To prevent generation of cavitation in a jet pump for injecting fluid taken from a front end side of a cylindrical body backward from a rear end side of the cylindrical body by rotating an impeller provided inside the cylindrical body co...  
JP2007145180A
To provide a pull cable operation device capable of sufficiently securing a pulling margin of a pull cable and carrying out work to pull the pull cable from the side of a grip member.This pull cable operation device 13 is furnished with ...  
JP3925039B2
To provide an operating device for a reverser for facilitating an adjustment of intermediate opening for switching from sailing to ship stopping or astern and a length adjustment of a push pull cable, in particular, regarding the operati...  
JP2007131279A
To provide a nozzle driving device in which a push-pull-cable is not required between a converter and an operated part for a nozzle and a water-proof countermeasure can be easily attained.A nozzle driving device 10 comprises a converter ...  

Matches 901 - 950 out of 3,325