Tag Archives: PISTON

Non-gap piston ring of helical spring

Application Number  00129140 Application Date  2000.09.30 Publication Number  1286351 Publication Date  2001.03.07 Priority Information     International Classification  F02F5/00;F16J9/04   Applicant(s) Name  Yu Yeli   Address     Inventor(s) Name  Yu Yeli   Patent Agency Code  23109 Patent Agent  yue quanqing AbstractA non-gap helical piston ring has at least 4 turns and its both ends… Read More »

Rotary oblique-disc type compressor piston with head formed by hole-less pressure casting

Application Number  00128700 Application Date  2000.09.21 Publication Number  1288792 Publication Date  2001.03.28 Priority Information   1999/9/21 JP 267121/99; 1999/9/21 JP 267131/99; 1999/10/13 JP 291188/99   International Classification  B22D17/22;F04B27/08;F16J1/00   Applicant(s) Name  Toyota Jidoshokki Seisakusho K.K.   Address     Inventor(s) Name  Takamatsu Masaudo;Kato Takahi;Katayama Seiji   Patent Agency Code  72001 Patent Agent  zhang tianan AbstractA… Read More »

Oblique disk type compressor piston with hollow head of non-acial symmetrical internal configuration

Application Number  00128699 Application Date  2000.09.21 Publication Number  1295193 Publication Date  2001.05.16 Priority Information   1999/9/21 JP 267131/99   International Classification  B22D17/22;F04B27/08;F16J1/00   Applicant(s) Name  Toyota Jidosholli Seisakusho K.K.   Address     Inventor(s) Name  Kato Takayuki;Takamatsu Masaudo   Patent Agency Code  72001 Patent Agent  zhang tianan AbstractA method of producing a body for a… Read More »

Twin piston compressor

Application Number: 00118456Application Date: 2000.06.29Publication Number: 1279351Publication Date: 2001.01.10Priority Information: 1999/6/30 JP 185323/99International: F04B27/08;F04B39/00Applicant(s) Name: Toyota Jidoshokki Seisakusho K.K.Address: Inventor(s) Name: Kawanmura Shoto;Kotoku Tetsuyuki;Kawakami MotonobuPatent Agency Code: 72001Patent Agent: zheng jianhuiAbstract A double-headed piston compressor includes a pair of opposite discharge chambers. Each discharge chamber is defined by a large annular wall and a small… Read More »

Damping balancer for hydraulic piston

Application Number: 00119167Application Date: 2000.07.03Publication Number: 1331019Publication Date: 2002.01.16Priority Information: International: B60G15/00Applicant(s) Name: You WenfengAddress: Inventor(s) Name: You WenfengPatent Agency Code: 00000Patent Agent: Abstract A hydraulic piston-type damper is composed of the left, central and right damping cylinders and a pair of guide tubes. In each damping cylinder there are two pistons, spring and damping… Read More »

Hydraulic piston type sound enclosure

Application Number: 00119266Application Date: 2000.07.02Publication Number: 1331553Publication Date: 2002.01.16Priority Information: International: H04R1/44Applicant(s) Name: Yang RuhuiAddress: Inventor(s) Name: Yang RuhuiPatent Agency Code: 00000Patent Agent: Abstract A hydraulic piston type sound enclosure features that the hydraulic pistons are installed to enclosed sound enclosure to make the volume and damping of sound enclosure change with the vibration of… Read More »

Concentric wheel piston assembly

Application Number: 00119441Application Date: 2000.07.11Publication Number: 1333420Publication Date: 2002.01.30Priority Information: International: F02B75/32;F16H21/16Applicant(s) Name: Ma XingbaoAddress: Inventor(s) Name: Ma XingbaoPatent Agency Code: 31100Patent Agent: zhang lanyangAbstract The concentric wheel piston assembly is aimed at substituting piston and connecting rod crank mechanism, and includes a straight axle with strraight axle wheel; a concentric wheel which is cover-mounted… Read More »

Deformable device for piston pump

Application Number: 00120474Application Date: 2000.07.12Publication Number: 1333431Publication Date: 2002.01.30Priority Information: International: F04B53/02Applicant(s) Name: George MencaleriAddress: Inventor(s) Name: Jiovani ChiphesPatent Agency Code: 11038Patent Agent: wang jinglinAbstract The deformable device for piston pump can be used as sealing device of piston pump used in the water, and is composed of a ring cavity and several ring deformable… Read More »

Wave canal rotary piston engine

Application Number: 00121167Application Date: 2000.07.28Publication Number: 1294257Publication Date: 2001.05.09Priority Information: 1999/10/26 CN 99122112.5International: F02B75/32Applicant(s) Name: Qi Chang'anAddress: Inventor(s) Name: Qi Chang'anPatent Agency Code: 00000Patent Agent: Abstract A reciprocating piston type engine features that the wave track by sine or non-sine rule is used to replace the crankshaft-connecting rod mechanism. Under the mutual action between wave… Read More »

Piston ring of modular graphite cost iron containing V-Ti alloy and its manufacturing technology

Application Number: 00111057Application Date: 2000.05.25Publication Number: 1326008Publication Date: 2001.12.12Priority Information: International: C22C37/04;F16J9/26Applicant(s) Name: Wang YiboAddress: Inventor(s) Name: Wang YiboPatent Agency Code: 37102Patent Agent: dong shangfengAbstract A piston ring features that it contains V (0.04-0.35%) and Ti (0.03-0.25%) besides the chemical components and micro alloy elements contained in nodular graphite cast iron. It is made up… Read More »

Efficient engine piston

Application Number: 00121884Application Date: 2000.08.06Publication Number: 1289004Publication Date: 2001.03.28Priority Information: 1999/9/16 CN 99243209.XInternational: F02F3/00Applicant(s) Name: Chen YuzhouAddress: Inventor(s) Name: Chen YuzhouPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to a high-efficiency engine piston with maximum aerodynamic resistance for heat engine, and is characterized by that on the original cylindrical piston body it is… Read More »

Abrasion compensator for piston ring

Application Number: 00111448Application Date: 2000.01.13Publication Number: 1262386Publication Date: 2000.08.09Priority Information: International: F02F5/00Applicant(s) Name: Wang DeshengAddress: Inventor(s) Name: Wang DeshengPatent Agency Code: 33104Patent Agent: chen xuyuAbstract an abrasion compensator for piston ring is composed of piston body and piston ring matched with the annular slot on piston body. In said annular sloat there is a blind… Read More »

Filling type hydraulic piston and its mfg. method

Application Number: 00123558Application Date: 2000.08.23Publication Number: 1294036Publication Date: 2001.05.09Priority Information: 1999/10/26 US 09/426601International: B21D35/00;B21D51/16;F03C1/28Applicant(s) Name: Sharl Inc.Address: Inventor(s) Name: Robert J. StopeckPatent Agency Code: 11216Patent Agent: liu jiyangAbstract The present invention relates to a filled piston assembly for a hydraulic pump or motor. The filled hydraulic piston assembly includes a blank piston body having first… Read More »

Multifunctional piston valve

Application Number: 00113244Application Date: 2000.01.27Publication Number: 1307193Publication Date: 2001.08.08Priority Information: International: F16K1/00;F16K1/44;F16K31/122Applicant(s) Name: Zhang LeiAddress: Inventor(s) Name: Zhang LeiPatent Agency Code: 00000Patent Agent: Abstract The multifunctional piston valve for pipeline consists of mainly double piston and double-layered valve body and has upper and lower axial ports, inner and outer radial ports, and valve body separated… Read More »

Piston type sound wave soot blower

Application Number: 00124521Application Date: 2000.09.15Publication Number: 1310312Publication Date: 2001.08.29Priority Information: International: F23J3/02;F28G7/00Applicant(s) Name: Vanderli Group Corp. Ltd.Address: Inventor(s) Name: Thom. JohnPatent Agency Code: 72002Patent Agent: cheng weiAbstract Piston-type sound wave soot blower consists of sound wave head and resonant pipe. The sound wave head includes valve seat with annular cavity formed by enlarged part and… Read More »

Free piston type engine

Application Number: 00113878Application Date: 2000.07.18Publication Number: 1282651Publication Date: 2001.02.07Priority Information: 1999/8/2 CN 99115829.6International: B25D9/00;B25F3/00;F15B1/02Applicant(s) Name: Lai LeiAddress: Inventor(s) Name: Lai LeiPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to a liquid-driven engine or machine with free piston, which is suitable for impact job.

Basic material of rotary piston for compressor and its matched basic material of blade and lubricant

Application Number: 00125103Application Date: 2000.09.08Publication Number: 1316590Publication Date: 2001.10.10Priority Information: International: F04B39/02;C22C38/24;C10M105/02Applicant(s) Name: Rili Electric Appliance Co Ltd, ShanghaiAddress: Inventor(s) Name: Shen Jianfang;Su Zhijun;Yang JunPatent Agency Code: 31105Patent Agent: li linAbstract A pisbon base material of rotary compressor is the cast iron with the contents of nickel, chromium and molybdenum based on increasing the contents… Read More »

Two rings combined full-sealing piston ring

Application Number: 00118273Application Date: 2000.06.11Publication Number: 1328208Publication Date: 2001.12.26Priority Information: International: F02F5/00;F16J9/00Applicant(s) Name: Ren GuangmingAddress: Inventor(s) Name: Ren GuangmingPatent Agency Code: 00000Patent Agent: Abstract A fully-sealed combined piston ring without leakage features that in its slot, each ring combination is composed of two or more piston rings, that is, a lower ring and another ring… Read More »

Wobbler type compressor piston with as-cast surface zone in inner surface of bottom of its neck

Application Number: 00126070Application Date: 2000.08.28Publication Number: 1286355Publication Date: 2001.03.07Priority Information: 1999/8/26 JP 239364/99International: F04B27/08;F04B53/14Applicant(s) Name: K.K. Toyota Jidoshokki SeisakushoAddress: Inventor(s) Name: Fukujima Shigeo;Sato Takayuki;Takamatsu MasahitoPatent Agency Code: 72001Patent Agent: cui yaobengAbstract A die-cast piston (14) for a swash plate type compressor including a cylinder block (10) having a cylinder bore (12), including a generally cylindrical… Read More »

Rotary piston pump

Application Number: 00110175Application Date: 2000.03.01Publication Number: 1311396Publication Date: 2001.09.05Priority Information: International: F04C2/22Applicant(s) Name: Ni ChuntangAddress: Inventor(s) Name: Ni ChuntangPatent Agency Code: 21103Patent Agent: guo lihuaAbstract A rotary piston pump is characterized as that the baffle is constructed by the sliding sheet frame with concave shape inserted in the strip hole on the pump top shell… Read More »

Piston compressor

Application Number: 00108249Application Date: 2000.04.30Publication Number: 1273327Publication Date: 2000.11.15Priority Information: 1999/5/11 JP 129797/99International: F04B27/08;F04B39/00Applicant(s) Name: Toyota Jidoshokki Seisakusho K. K.Address: Inventor(s) Name: Kotoku Tetsuyuki;Kawamura Shoto;Kawakami MotoshinPatent Agency Code: 72001Patent Agent: zheng jianhuiAbstract In a piston type compressor according to the present invention, a center muffler chamber 39 is defined in a retaining portion 37 inside… Read More »

Surface treatment method, sliding component and piston

Application Number: 00108114Application Date: 2000.04.28Publication Number: 1273281Publication Date: 2000.11.15Priority Information: 1999/4/28 JP 120917/1999International: C23C22/66Applicant(s) Name: Suzuki K. K.Address: Inventor(s) Name: Nomura Masaya;Osaki YoshinobuPatent Agency Code: 11038Patent Agent: long chuangongAbstract This invention relates to a surface treatment method comprising the steps of providing a treating solution containing a specific ammonium compound or aqueous ammonia, and magnesium… Read More »

Self lubricating piston ring material and piston ring for IC engine

Application Number: 00107860Application Date: 2000.06.26Publication Number: 1290765Publication Date: 2001.04.11Priority Information: 1999/6/25 JP 179537/1999; 2000/3/17 JP 76562/2000International: C22C38/18;C22C38/60Applicant(s) Name: Hitachi Metal Co., Ltd.Address: Inventor(s) Name: Kubota Kunichika;Ono Johiro;Masugata KaekiPatent Agency Code: 72002Patent Agent: guo xiaodongAbstract There are disclosed a piston ring material and a piston ring both having such superior properties. The piston ring material or… Read More »

Efficient sealed piston with two ring sets and piston ring assembly

Application Number: 00105608Application Date: 2000.04.11Publication Number: 1317637Publication Date: 2001.10.17Priority Information: International: F02F3/00;F02F5/00Applicant(s) Name: Zhu ZhihongAddress: Inventor(s) Name: Zhu Zhihong;Wang BaodongPatent Agency Code: 11219Patent Agent: zhu deheAbstract An effectively-sealed piston with two-ring set is composed of piston, combined air ring and oil ring. SAid combined air ring consists of upper and lower air rings in a… Read More »

Ball socket joint for servo piston driving for cambered axle type hydraulic equipment

Application Number: 00105597Application Date: 2000.04.03Publication Number: 1287228Publication Date: 2001.03.14Priority Information: 1999/9/3 US 09/390128International: F15B15/20;F15B15/14Applicant(s) Name: Shaer Inc.Address: Inventor(s) Name: James.D. Ryken;David.D. Dircks;Dawg. CadellPatent Agency Code: 11216Patent Agent: liu jiyangAbstract A special ball joint for servo piston actuation in a bent axis unit includes an elongated actuator rod having a substantially spherical external surface on a… Read More »

Full-sealed piston ring for reducing exhaustion pollution of car

Application Number: 00105443Application Date: 2000.03.29Publication Number: 1264788Publication Date: 2000.08.30Priority Information: International: F02F5/00Applicant(s) Name: Liu XinjieAddress: Inventor(s) Name: Liu XinjiePatent Agency Code: 00000Patent Agent: Abstract A full-sealed piston ring for reducing the exhaustion pollution of car features is super sealing performance, which can increase the output power and exhaustion level of engine and elongate the service… Read More »

New piston working device internal combustion engine, piston motor, piston pump and application equipment

Application Number: 00105198Application Date: 2000.05.01Publication Number: 1321823Publication Date: 2001.11.14Priority Information: International: F01C9/00;F04C21/00Applicant(s) Name: Peng ZhipingAddress: Inventor(s) Name: Peng ZhipingPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to piston machinery, and is characterized by that between piston and rotating shaft a swing shaft is set, and can implement transmission with rotating shaft by means… Read More »

Non-gap fit technique for reciprocating piston and cylinder and non-gap fitting piston

Application Number: 00104413Application Date: 2000.06.22Publication Number: 1331384Publication Date: 2002.01.16Priority Information: International: F02F3/00;F02F11/00Applicant(s) Name: Liu JunmingAddress: Inventor(s) Name: Liu JunmingPatent Agency Code: 00000Patent Agent: Abstract A non-gap fit technique for reciprocating piston and cylinder of car engine features use of non-gap fit piston, which is composed of piston top, gas ring slot, oil-scraping ring slot, piston… Read More »

Piston ring for motorcycle and automobile

Application Number: 00104237Application Date: 2000.04.18Publication Number: 1318481Publication Date: 2001.10.24Priority Information: International: B60K5/00;F02F11/00Applicant(s) Name: Yao YuanyuanAddress: Inventor(s) Name: Yao YuanyuanPatent Agency Code: 35205Patent Agent: lin shaolinAbstract The piston ring is used to seal cylinder piston in automobile and motorcycle engine as well as in the engine of other vehicles. It consists of two sealing opened ring… Read More »


Application Number: 00102645Application Date: 2000.02.22Publication Number: 1264787Publication Date: 2000.08.30Priority Information: 1999/2/22 JP 42686/99International: F02F3/00Applicant(s) Name: Honda Giken Kogyo K. K.Address: Inventor(s) Name: Ueshima Hideo;Noguchi SachihiroPatent Agency Code: 31100Patent Agent: ren yongwuAbstract A recessed portion 15 for removing a circlip 13 is formed in such a manner as to coincide in location with a broached groove… Read More »