Lighting And Heating Apparatus TRIZ Cases

A bimetal switch near the freezer evaporator triggers a heater only when needed, keeping low-ambient refrigeration stable and reducing thaw risk.

A retractable second shelf uses front slides and internal arm tracks to extend storage space without permanently extended supports.

A compactible base layer encases radiant tubes, allowing heavy equipment use while preserving heat distribution and remodeling flexibility.

A weight-activated connector lets adjustable refrigerator shelves auto-engage power for lighting while simplifying installation and removal.

An adapter box mounts standard refrigerator plugs accurately and blocks insulation foam from entering electrical connections.

A folded extrusion profile with a polyurethane seamless edge lets refrigerator doors use interchangeable glass or metal panels with higher stiffness and simpler assembly.

Adapter strips replace bulky shelf frames to keep refrigerator shelves securely mounted while preserving edge access and a spacious interior.

A hinged refrigerator door guard rotates to use rear door space efficiently and simplify carbon dioxide container replacement.

Distributed dry ice pucks and metering orifices in an insulated galley cart door deliver even tray cooling without fan power.

Rigid pull bars, yokes, and springs replace stretch-prone cables to keep barn attic inlet lids aligned and airflow consistent.

Rear-wall ladder rails hide shelf hooks while adding position markers and integrated lighting for adjustable, cleaner-looking refrigerator shelving.

A modular shelf with grooved and flat faces lets wine refrigerators hold bottles horizontally or vertically while saving space.

A temporary alignment guide positions the door against the cabinet during fastening, improving sealing consistency without complex assembly steps.

Reinforced edges, support brackets, and locking teeth keep a refrigerator drawer aligned to prevent slanting, sticking, and inward collapse.

Localized HVAC airflow and air recirculation create a portable outdoor temperature-controlled zone for workers and athletes in extreme weather.

A reinforcement tube tied to the hinge bearing and foam-filled door cavity spreads load, reducing hinge deflection and door drop.

A touchscreen food map tracks item location and freshness in the refrigerator, helping users manage perishables and reduce waste.

Controlled liquid nitrogen dosing and interlocking beaters enable rapid ice cream freezing with small crystals, even mixing, and stable temperature control.

Door-position sensors shut off the aircraft galley chilling unit when a cart bay is open, preventing evaporator freeze and food temperature rise.

An air valve and pump pressurize an expansion chamber to dispense heated water precisely while reducing backpressure in refrigerator brewing.

A sensor-driven refrigerator refills carbonated water automatically, then pauses carbonation when filtered water is requested or the door opens.

A water level sensor and controller trigger filtered water refill and CO2 injection to keep refrigerator carbonated water ready without wait.

Pultruded composite uprights improve load resistance, insulation, and plant integration in building casings without invasive wall breaking.

An oblique two-plane ice compartment door improves bucket access while preserving sub-freezing airflow and space use in French-door refrigerators.

Multiple sealed duct openings let one HVAC base fit different roof curbs without adapter curbs, cutting installation time, height, and downtime.

Solid-state switching lets a DC motor control circuit work directly with AC signals, cutting mechanical complexity, rectification loss, and stress.

Sliding support bars and repositionable carriers store discrete bags efficiently while improving individual access inside refrigerated compartments.

A detachable magnetic spout assembly lets one shaved ice machine fill different cup sizes quickly, cleanly, and without manual spout changes.

A bent sub-door hinge and external latch reduce cold air leakage, hide door gaps, and improve access to the auxiliary storage chamber.

Spring-elastic support wings position pipes and lines during refrigerator foaming, avoiding glue, surface impressions, and tolerance issues.

Welding the refrigeration unit into the container frame removes flange gaps, improves structural support, and stabilizes cargo temperature control.

Elastomer sealing rings and a swirl insert stop high-pressure nozzle leakage while protecting brittle ceramic parts in snow cannons.

A top-opening lid with a guiding platform and barriers lets users fill a refrigerator door dispenser without removal, overflow, or splashing.

A movable upper-lower tray and periodic heating release spherical ice cleanly while limiting heat generation and preserving cooling efficiency.

Separately formed refrigerator partitions let insulation fill both wall cavities and divider sections, improving temperature consistency across chambers.

A vertically movable basket and sub-basket let refrigerators fit tall and short items while preserving cold air retention and usable door space.

A pitched perforated support and spacer layout vents hip roofs while blocking rain ingress with water dams and deflectors.

Periodic heater operation clears frost from the sensing unit during defrost cycles, preserving detection accuracy while limiting energy loss.

A two-spring refrigerator drawer rail cuts initial opening resistance while preserving auto-closing force and stable rail movement.

A flared upright fan duct improves room air circulation, cuts dead spaces, and raises clean air delivery with lower resistance.

A tapered blade profile with controlled flow-path narrowing cuts air-speed variation, turbulence, and motor input in a cross-flow fan.

User presence detection triggers liquid preheating in a refrigerator, cutting wait time for hot water and single-serve beverages.

An intermediate drawer pushes the upper drawer forward on door opening, making hidden storage visible and easier to access.

Bent guide slots and locking parts let a refrigerator shelf move vertically without shifting forward, preventing accidental drops under load.

A slotted bearing ring and labyrinth seal absorb thermal expansion and tolerances, keeping vent flap drives precise, robust, and low-wear.

A guide member blocks evaporator bypass airflow and channels fan defrost water into one drain pan to improve cooling efficiency and cut cost.

Perpendicular engagement formations let stacked ventilation units lock securely without sliding, preserving wall cement, brick layout, and removal resistance.

Automatic throttles and sensors route air through double-glazed window panes to improve ventilation, temperature control, and energy use.

Gravity-fed holes and a funnel holder meter water into the ice tray accurately, avoiding overflow, leakage, and valve interference.

Direct-written metal bus bars replace adhesive bonding on screen-printed conductive ink, improving adhesion and removing curing steps.