Patent ID: 9151245
Filing Date: 2015-10-06
Classification: B64G,F02K

Abstract:
1. A pulse rocket motor comprising: a first grain having a hollow cylinder-like shape and situated in a rear section of a pressure vessel; a first igniter that ignites the first grain; a second grain having a hollow cylinder-like shape and situated in a front section of the pressure vessel; a second igniter that ignites the second grain; and a dividing sheet member that covers the second grain within the pressure vessel, wherein: the dividing sheet member has a dividing sheet expanding at least along an inner circumferential surface of the second grain, and holders formed integrally with the dividing sheet at both ends of the dividing sheet by cure adhesion and attached to the pressure vessel; and the dividing sheet includes a brittle portion that expands along the inner circumferential surface of the second grain through a rear end face of the second grain and is more brittle than other portions.