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  • [发明专利]JP19840152632 _ MITSUBISHI HEAVY IND LTD 1984年07月23日
    PURPOSE:To uniform the flow in a runner by providing an impeller rotatable coaxially with the runner to discharge water toward the downstream of runner at the lower end section of runner. CONSTITUTION:An impeller 2 is fixed in place of the conventiona...
  • [发明专利]JP19840162237 _ MITSUBISHI ELECTRIC CORP 1984年08月01日
  • [发明专利]JP19840031925 _ YASUKAWA DENKI SEISAKUSHO KK 1984年02月22日
    PURPOSE:To obtain a compact and light actuator by forming a drive mechanism made of shape memory alloy in a harmonic gear. CONSTITUTION:A plurality of shape memory alloy 11-18 disposed radially on the diagonal lines with their respective end portions ...
  • [发明专利]GB19840032768 _ * PROVEN ENGINEERING PRODUCTS LIMITED 1984年12月29日
  • [发明专利]GB19840029275 _ * ROLLS-ROYCE LIMITED 1984年11月20日
  • [发明专利]WO1984US00773 _ HUGHES AIRCRAFT COMPANY 1984年05月21日
    Une unité de traitement de puissance utilise des bus à courant alternatif (30, 32) pour satisfaire tous les besoins en courant, tels que des connexions (54, 56) et alimenter un propulseur ionique par l'intermédiaire d'un inducteur (88) et le primaire ...
  • [发明专利]WO1984US01309 _ WU, JIUN-TSONG 1984年08月17日
    A collection device (Fig. 1) for extracting energy from water wave motion employing working fluids, a number of pumping units and accumulators (8a, 8b, 8c, and 8d) interconnected together, and valves (6a, 6b, 6c, 7a, 7b, 7c) to regulate the fluid flow...
  • [发明专利]WO1984DE00012 _ GIRALDEZ, JOSE, HUMBERTO, SANCHEZ 1984年01月16日
    Pendulum device usable as a toy, as an eye-catching device in a shop window, as a pendulum for a watch or as a motor machine, provided with a symmetric support (S) carrying two fixed magnets (A, B), facing two moving magnets (C, D). The two moving mag...
  • [发明专利]WO1984FI00043 _ ARVOLA, ILKKA, T. KAJAMAA, JAAKKO 1984年05月30日
    Method and equipment for converting thermal energy to mechanical energy by means of a thermal power machine (1). A member of metal alloy contained in the thermal power machine is heated to a certain temperature, whereat its physical properties are cha...
  • [发明专利]WO1984US01481 _ PARSONS, NATAN, E. 1984年09月19日
    Un circuit de commande (16) installé sur un robinet (10) actionne un transducteur à ultrasons (20) émettant un ultra-son dans une région cible (22) en dessous de la sortie (24) du robinet. Ce circuit de commande re?oit des signaux électriques provenan...
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