HOTHOUSE Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: hothouse has a roof and framework 1. The framework is shaped as triangular prisms with trays 3 for growing plants. The hothouse is provided with sources of light located outside the framework. There are also additional sources of light mounted inside the framework. These additional sources of light are provided with light reflectors. The reflectors consist of two parts. Each part has two light-reflecting plates hinged together. The axes of possible rotation of the plates are parallel with side faces of the prisms. First parts 11 are located between the sources of light and the framework top, and other parts 12 are located between the sources of light and the framework base. Between the roof and sources of light located outside the framework there are cylindrical reflectors 5. Between the roof and reflectors there are driven retainers mounted for motion relative to the aforesaid reflectors and contact with their external surface. EFFECT: uniform lighting; improved plant growing conditions. 3 cl, 7 dwg