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31. 发明专利

JPH07190200A SEAL STRUCTURE OF LIQUID GASKET 失效
公开(公告)号：JPH07190200A
公开(公告)日：1995-07-28
申请号：JP33396093
申请日：1993-12-28
申请人： KUBOTA KK
发明人： KOSAKA TETSUYA
IPC分类号： F02F11/00 , F16J15/14
摘要： PURPOSE:To set liquid gasket in the form of convenient tape or sheet on joining surfaces by letting liquid gasket flow out of a gasket retaining hollow member and thereby attaching it on both the surfaces. CONSTITUTION:Liquid gasket pushing-out pores 8 are made on full length of inner wall of a gasket retaining hollow member 6. The gasket retaining hollow member 6 filled with liquid gasket 5 is inserted in between both the joining surfaces 3, 4, and the whole is tightened for pressing, by means of a bolt 15 or the like. And thus, liquid gasket 5 within the hollow space 7 is squeezed out through numerous pores 8 of the gasket retaining hollow member 6 into space between external joining surfaces 3, 4, for purpose of sealing. Accordingly, the work involved is merely placement of liquid gasket 5 in the form of convenient tape or sheet on the joining surfaces, thereby raising the work efficiency.

32. 发明专利

JPH03194133A INTAKE DEVICE FOR DIESEL ENGINE 失效
公开(公告)号：JPH03194133A
公开(公告)日：1991-08-23
申请号：JP33346189
申请日：1989-12-22
申请人： KUBOTA KK
发明人： KOSAKA TETSUYA
IPC分类号： F02D9/02 , F02B3/06
摘要： PURPOSE:To secure the best combustion state constantly by detecting the state of exhaust gas by a combustion state detector, and performing the feedback of the detected result to an intake quantity control device so as to control the opening of an intake quantity regulating valve. CONSTITUTION:A solenoid operated intake quantity regulating valve 5 is interposed in an intake passage 3 communicated with the combustion chamber 2 of a diesel engine, as well as a combustion state detector 6 for detecting the state of exhaust gas is provided at the intermediate part of an exhaust passage 4, and the output signal thereof is inputted into an intake quantity control device 7. When the signal value of the input signal is less than the specified threshold value, an opening/closing degree control signal, obtained from a pulse signal provided with the specified voltage and the pulse value computed on the basis of the threshold value and combustion state signal, is outputted from the intake quantity control device 7. The actuator 8 of the intake quantity regulating valve 5 is drivenly controlled by this opening/closing degree control signal so as to regulate the opening of the intake quantity regulating valve 5.

33. 发明专利

JPH03186635A COUNTERWEIGHT ARRANGEMENT STRUCTURE ON CRANKSHAFT OF IN-LINE FIVE-CYLINDERED ENGINE 失效
公开(公告)号：JPH03186635A
公开(公告)日：1991-08-14
申请号：JP32534789
申请日：1989-12-14
申请人： KUBOTA KK
发明人： KOSAKA TETSUYA
IPC分类号： F16F15/26 , F02B75/18
摘要： PURPOSE:To reduce the weight of a crankshaft and to reduce bending moment by installing counterweights mounted on crank arms positioned in the first, fifth, sixth and tenth in such a manner as to shift in phase by a specified angle to the third crank pin. CONSTITUTION:In an in-line 5-cylindered engine constituted so that the cylinders are ignited in the order of cylinder number #1-#3-#5-#4-#2, counterweights 7, 8, 9, 10 are installed on the first, fifth, sixth and tenth crank arms, respectively from the front end portion of a crankshaft 1. The counterweights 7, 8, 9, 10 seen clockwise from the front end of the crankshaft 1 are installed in positions shifted in phase by 324+ or -10 deg., 180 deg., 180 deg., 36+ or -10 deg. with respect to the third crank pin 4. By this arrangement, the moment about the vertical shaft can be cancelled by the equilibrium of the counterweights 7, 10, and the weight of the counterweights 8, 9 can be reduced so as to reduce the weight of the crankshaft.

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