An energy-saving design for hydraulic cylinder reciprocating seal is proposed in this paper to improve using efficiency of seal, and reduce environmental pollution and energy consumption caused by oil leakage. HOQ of QFD is utilized to translate customer requirements into technical design requirements controlled by environmental factors, and the conflicts between technical requirements are obtained. TRIZ theory is used to resolve the conflicts, and gets energy-saving design solutions. The energy consumption compare between before and after improving seal is presented to illustrate the validation of the methods.
The aim of green innovative design is to improve environment efficient by function innovation. In order to help designer to generate new product ideas giving attention to customer needs and environment demands, a green innovative design framework based on function analysis is proposed. This framework integrates green design rules and environment factors into the process of function innovation. By analyzing and resolving the functions that will bring environment loads, the new product ideas with low environment impact and energy consumption are obtained. A case study is also presented to illustrate the effectiveness of the proposed design framework.
The energy consumption and environmental impacts of a product are largely determined during concept design. It is the core for energy saving product development to integrate energy saving into product concept design process. In this paper, a framework for energy-saving product concept design based on TRIZ/function analysis is proposed, the energy flow chart is built based on the analysis of product function. By eliminating the harmful function associated with energy and environment, resolving the conflict parameter and attributes of components in energy and function, the new product that satisfy user needs while minimizing energy consumption is obtained. A case study is also presented to illustrate the effectiveness of the proposed design framework.
The dynamic seal mechanism of hydrodynamic reciprocating sealing is discussed. TRIZ S-Field model and standard solutions is proposed. The reliability and effectivity S-Field models of hydrodynamic reciprocating sealing are constructed according to typical hydrodynamic reciprocating sealing configuration shapes, such as O-ring sealing, Y-ring sealing and polymer sealing. The leakage and failure problems solutions of hydrodynamic reciprocating sealing as well as their configuration realization are studied based on TRIZ S-Field analysis and standard solutions, which offer powerful theoretic guides for efficiency-reinforcement technology of hydrodynamic reciprocating sealing.
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